Aerospace Vehicle Inspection Intervals
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Questions and Answers

Who determines the calendar inspection periods for MDS specific -6 TO inspection workcards?

  • Quality Assurance (QA)
  • Technician
  • MAJCOM directives
  • Weapon system SM and Lead Command (correct)
  • What is the purpose of transferring individual inspection requirements from one workcard to another?

  • To modify the MAJCOM directives
  • To follow the scheduled inspection sequence
  • To change the technician manning sequence
  • To adjust the published workcards to fit the technician manning or scheduled sequence (correct)
  • Under what condition can GP/CC authorize Quality Assurance (QA) to line out non-applicable requirements?

  • When the technician manning sequence is adjusted
  • When the inspection requirements pertain to systems or components that are not installed on locally maintained equipment (correct)
  • When the inspection requirements pertain to systems or components installed on locally maintained equipment
  • When the MAJCOM directives permit it
  • What is the purpose of the AFTO Form 26?

    <p>All of the above</p> Signup and view all the answers

    What does 'NA' stand for in the context of MDS specific -6 TO inspection workcards?

    <p>Not Applicable</p> Signup and view all the answers

    Who approves the transfer of individual inspection requirements from one workcard to another?

    <p>GP/CC</p> Signup and view all the answers

    What happens to inspection requirements that pertain to systems or components that are not installed on locally maintained equipment?

    <p>They are lined out by Quality Assurance (QA) and 'NA' is entered in the margin</p> Signup and view all the answers

    What is the purpose of AFTO Form 26 in terms of equipment with nonstandard configuration?

    <p>To aid in preparation for complete inspection workcard sets for equipment with nonstandard configuration</p> Signup and view all the answers

    What is a restriction on making minor changes to workcards?

    <p>Only when specifically prohibited by MAJCOM directives</p> Signup and view all the answers

    What is the purpose of the AFTO Form 26 in terms of published workcard sets?

    <p>To permit local reproduction of the forms</p> Signup and view all the answers

    When is the transfer of individual inspection requirements from one workcard to another allowed?

    <p>When the published workcard arrangement is not compatible with the technician manning or scheduled sequence</p> Signup and view all the answers

    What happens to non-applicable inspection requirements on locally maintained equipment?

    <p>They are lined out and 'NA' is entered in the margin</p> Signup and view all the answers

    What is the purpose of local reproduction of AFTO Form 26?

    <p>To prepare replacement workcards for those that become unserviceable</p> Signup and view all the answers

    What type of equipment is AFTO Form 26 used for?

    <p>Equipment with nonstandard configuration</p> Signup and view all the answers

    What is the restriction on making minor changes to workcards?

    <p>MAJCOM directives prohibit minor changes</p> Signup and view all the answers

    What is the purpose of AFTO Form 26 in terms of special installed equipment?

    <p>To prepare additional workcards</p> Signup and view all the answers

    Who is responsible for authorizing the transfer of individual inspection requirements from one workcard to another?

    <p>GP/CC</p> Signup and view all the answers

    What happens to published workcard sets for equipment with nonstandard configuration?

    <p>AFTO Form 26 is used to prepare complete inspection workcard sets</p> Signup and view all the answers

    What is the purpose of AFTO Form 26 in terms of equipment in limited quantities?

    <p>To prepare complete inspection workcard sets</p> Signup and view all the answers

    Under what condition can GP/CC authorize Quality Assurance (QA) to line out non-applicable requirements?

    <p>When the inspection requirements pertain to systems or components that are not installed on locally maintained equipment</p> Signup and view all the answers

    What is the primary reason for transferring individual inspection requirements from one workcard to another?

    <p>To accommodate local manning or scheduled sequence preferences</p> Signup and view all the answers

    What is the purpose of the AFTO Form 26 in relation to published workcard sets?

    <p>To replace unserviceable workcards</p> Signup and view all the answers

    What is the consequence of making minor changes to workcards when specifically prohibited by MAJCOM directives?

    <p>The changes will not be allowed</p> Signup and view all the answers

    What is the significance of the 'NA' notation in the context of MDS specific -6 TO inspection workcards?

    <p>It indicates a non-applicable requirement</p> Signup and view all the answers

    What is the primary purpose of the AFTO Form 26 in relation to special installed equipment?

    <p>To create additional workcards for special installed equipment</p> Signup and view all the answers

    Who is responsible for determining the calendar inspection periods for MDS specific -6 TO inspection workcards?

    <p>The weapon system SM and Lead Command</p> Signup and view all the answers

    What is the primary purpose of transferring individual inspection requirements from one workcard to another?

    <p>To accommodate local manning or scheduled sequence preferences</p> Signup and view all the answers

    What is the significance of the AFTO Form 26 in relation to equipment with nonstandard configuration?

    <p>It is used to prepare complete inspection workcard sets for nonstandard equipment</p> Signup and view all the answers

    What is the primary purpose of authorizing Quality Assurance (QA) to line out non-applicable requirements?

    <p>To remove non-applicable requirements</p> Signup and view all the answers

    What is the primary purpose of the AFTO Form 26 in relation to equipment in limited quantities?

    <p>It is used to prepare complete inspection workcard sets for equipment in limited quantities</p> Signup and view all the answers

    What is the primary purpose of the inspection concepts for aerospace vehicles?

    <p>To provide a framework for scheduling and controlling maintenance</p> Signup and view all the answers

    What must be approved through the SM in coordination with the owning MAJCOM?

    <p>Scheduling deviations of periodic, phase, or isochronal inspections</p> Signup and view all the answers

    Who establishes necessary controls to ensure that inspections are accomplished at or near the scheduled due time?

    <p>The GP/CC</p> Signup and view all the answers

    What is the primary source of information for intervals required for Air Force aerospace vehicle inspections?

    <p>All of the above</p> Signup and view all the answers

    Under what condition can GP/CC increase the frequency or scope of scheduled inspections?

    <p>When required for temporary situations</p> Signup and view all the answers

    What is the primary benefit of accomplishing inspections concurrently?

    <p>Reducing the complexity of scheduling and controlling maintenance</p> Signup and view all the answers

    What is the primary purpose of recurring maintenance in the inspection concept?

    <p>To inspect aerospace vehicles at regular intervals</p> Signup and view all the answers

    What is the primary reason for modifying the inspection workcard deck during contingencies?

    <p>To ensure critical safety inspections are conducted</p> Signup and view all the answers

    What is the purpose of Tables 2-1 to 2-5 in the inspection concept?

    <p>To outline the different inspection concepts</p> Signup and view all the answers

    What happens when inspection intervals are exceeded?

    <p>The Red symbol is used to annotate the exception</p> Signup and view all the answers

    What is the purpose of the pre-flight inspection?

    <p>To visually examine the aerospace vehicle and operationally check certain systems and components</p> Signup and view all the answers

    Who determines the inspection concept and establishes the recurring maintenance cycle?

    <p>The SM/Program Manager (PM)</p> Signup and view all the answers

    When does the specified flying period expire?

    <p>When the selected time period has expired or when the specified flying period expires, whichever occurs first</p> Signup and view all the answers

    What is the purpose of the maintenance cycle?

    <p>To bundle recurring maintenance requirements</p> Signup and view all the answers

    What is the purpose of the End-of-Runway inspection?

    <p>To detect critical defects that may have developed during ground operation</p> Signup and view all the answers

    What is the significance of the age or accrued time of aerospace vehicles, systems, and components?

    <p>It influences the maintenance schedule</p> Signup and view all the answers

    What happens when new inspection requirements are levied and the age or accrued time is less than the specified inspection interval?

    <p>The initial inspections are conducted as soon as practical</p> Signup and view all the answers

    When is a new pre-flight inspection not required?

    <p>When the aircraft is launched directly from alert status</p> Signup and view all the answers

    What is the purpose of the Lead Command in the inspection concept?

    <p>To authorize contingency inspections</p> Signup and view all the answers

    What is the purpose of the Thru-Flight inspection?

    <p>To perform a between-flight inspection when a turnaround sortie or a continuation flight is scheduled and a BPO inspection is not required</p> Signup and view all the answers

    When is an End-of-Runway inspection not required?

    <p>When the aerospace vehicle does not have a PM directed -6 EOR inspection requirement</p> Signup and view all the answers

    What is the significance of the inspection cycle in the isochronal concept?

    <p>It determines the frequency of inspections</p> Signup and view all the answers

    What happens to the pre-flight validity period when the aircraft is mobilizing for contingency operations?

    <p>It is not affected</p> Signup and view all the answers

    Who is responsible for integrating inspection requirements into the applicable -6 scheduled inspection and maintenance manuals?

    <p>The SM</p> Signup and view all the answers

    What is the purpose of the Pre-Launch Inspection or Walk-Around Inspection?

    <p>To perform an abbreviated pre-flight inspection</p> Signup and view all the answers

    What is the primary objective of the Phase Inspection (PH) concept?

    <p>To minimize the length of time that an aerospace vehicle is out-of-commission for any given scheduled inspection</p> Signup and view all the answers

    What type of inspection is more extensive in scope than the HPO or BPO inspections?

    <p>Periodic Inspection</p> Signup and view all the answers

    What is the purpose of the Quick Turn Inspection (QT)?

    <p>To perform an abbreviated thru-flight inspection authorized by MDS specific -6 TOs</p> Signup and view all the answers

    What determines the due time for all Hourly Post-Flight (HPO) inspections?

    <p>The completion of each Periodic/Phase inspection</p> Signup and view all the answers

    What is the purpose of the Thru-Flight (TH) inspection?

    <p>To check the aerospace vehicle for flight continuance suitability by performing visual examination and/or operational checks of certain components, areas, or systems</p> Signup and view all the answers

    What is the purpose of the Combined Pre-Flight/Basic Post-Flight Inspection (PR/BPO)?

    <p>To consolidate the requirements of the PR and BPO inspections into a single inspection</p> Signup and view all the answers

    What is the purpose of the Basic Post-Flight Inspection (BPO)?

    <p>To check the aerospace vehicle condition by performing visual examination or operational checks of certain components, areas, or systems</p> Signup and view all the answers

    What is the purpose of the Phase Inspection (PH)?

    <p>To consolidate the BPO, periodic inspection, and/or HPO requirements into work decks having approximately the same work content and approximately the same number of clock hours for accomplishment</p> Signup and view all the answers

    What is the purpose of the Periodic Inspection (PE)?

    <p>To perform a thorough inspection of the entire aerospace vehicle</p> Signup and view all the answers

    What is the purpose of the Hourly Post-Flight Inspection (HPO)?

    <p>To perform an inspection at equally spaced intervals as specified in the applicable MDS specific -6 TO</p> Signup and view all the answers

    What is the purpose of the ISO concept in aerospace vehicle maintenance?

    <p>To determine calendar periods for inspections</p> Signup and view all the answers

    Who determines the necessary adjustments to inspection intervals?

    <p>The SM, in conjunction with the Lead Command</p> Signup and view all the answers

    When can MAJCOMs approve deviations to schedules?

    <p>When the ISO cannot be met</p> Signup and view all the answers

    What information is required when requesting ISO deviations?

    <p>The MDS, serial number, reason for request, type of inspection, and actual inspection due date</p> Signup and view all the answers

    What type of inspections are due at equal intervals throughout the total inspection cycle?

    <p>Isochronal inspections</p> Signup and view all the answers

    What is the purpose of the MIN inspection?

    <p>To check certain components, areas or systems of the aerospace vehicle</p> Signup and view all the answers

    When is the MAJ inspection due?

    <p>Upon accrual of the number of calendar days established as the inspection interval</p> Signup and view all the answers

    What happens to aerospace vehicles in Purpose Identifier Code DJ?

    <p>They do not accrue -6 inspection days</p> Signup and view all the answers

    What is the interval time frame for the ISO concept?

    <p>From the completion of the post-dock from the last ISO to the start of the next ISO</p> Signup and view all the answers

    Who establishes procedures to ensure aircraft are placed in storage?

    <p>The GP/CC</p> Signup and view all the answers

    What happens when an aerospace vehicle exceeds a PDM cycle by 90 days?

    <p>A Red X is annotated on the prescribed forms</p> Signup and view all the answers

    What is the primary purpose of a 30-day inspection?

    <p>To inspect aerospace vehicles that have not flown for more than 30 consecutive days</p> Signup and view all the answers

    What is the significance of the isochronal concept in HSC?

    <p>It is used to compute the date for the next HSC inspection</p> Signup and view all the answers

    What type of inspections are A/B checks?

    <p>Minor inspections performed at home station</p> Signup and view all the answers

    What is the primary purpose of PDM?

    <p>To perform inspections requiring skills, equipment, and/or facilities not normally possessed by operating locations</p> Signup and view all the answers

    Who ensures that the inspection period is properly established to meet maintenance and engineering requirements?

    <p>The SM</p> Signup and view all the answers

    What happens when an aerospace vehicle exceeds the PDM cycle?

    <p>A Red Dash is annotated on the prescribed forms</p> Signup and view all the answers

    What is the primary purpose of scheduling PDM?

    <p>To schedule inspections at, or prior to, the scheduled due date</p> Signup and view all the answers

    What is the consequence of not flying for 90 consecutive days?

    <p>A 90-day inspection is required</p> Signup and view all the answers

    Who approves deviations to schedules if letter check inspections cannot be met?

    <p>MAJCOMs, with SM concurrence</p> Signup and view all the answers

    What is the purpose of transferring individual inspection requirements from one workcard to another with GP/CC approval?

    <p>To align the workcard with the technician's manning or scheduled sequence</p> Signup and view all the answers

    What happens to inspection requirements that pertain to systems or components not installed on locally maintained equipment?

    <p>They are authorized to be lined out by QA and 'NA' is entered in the margin</p> Signup and view all the answers

    What is the purpose of the AFTO Form 26 in relation to equipment with nonstandard configuration?

    <p>To aid in the preparation of complete inspection workcard sets</p> Signup and view all the answers

    What is the restriction on making minor changes to workcards?

    <p>Minor changes are not allowed if specifically prohibited by MAJCOM directives</p> Signup and view all the answers

    What is the purpose of local reproduction of AFTO Form 26?

    <p>To permit the preparation of replacement workcards for those that become unserviceable</p> Signup and view all the answers

    Why can GP/CC authorize Quality Assurance (QA) to line out non-applicable requirements?

    <p>To ensure that inspection requirements are applicable to the equipment</p> Signup and view all the answers

    What does the TCTO Number (Ident Number) in IMDS contain?

    <p>The originating unit and data code</p> Signup and view all the answers

    What is the minimum content of an OTI?

    <p>Statements of title, applicable equipment, date OTI was issued, and compliance period</p> Signup and view all the answers

    What is the purpose of an In-Process Inspection (IPI)?

    <p>To inspect a system, subsystem, or component at a critical point</p> Signup and view all the answers

    Who documents and clears an IPI?

    <p>The technician and the IPI inspector</p> Signup and view all the answers

    How are IPIs for off-equipment documented?

    <p>Using the AFTO Form 350</p> Signup and view all the answers

    What is the purpose of inspection workcards?

    <p>To outline the minimum inspection requirements</p> Signup and view all the answers

    What information is included in an inspection workcard?

    <p>All of the above</p> Signup and view all the answers

    Who prepares and updates inspection workcards?

    <p>The SM, in collaboration with Lead Commands</p> Signup and view all the answers

    What happens to accrued inspection time when an aerospace vehicle is in storage for more than 15 calendar days?

    <p>It is not charged against the calendar time for the next scheduled home station check</p> Signup and view all the answers

    What is the purpose of the OTI distribution?

    <p>To distribute the OTI to all applicable organizations</p> Signup and view all the answers

    What is the purpose of an Acceptance Inspection?

    <p>To perform a Preparation for Use, Service Inspection, and Operational Check on newly assigned equipment</p> Signup and view all the answers

    Who determines if an Acceptance Inspection is required on newly assigned or organic/contract depot repaired vehicles, engines, and equipment?

    <p>Lead Command</p> Signup and view all the answers

    What is the purpose of a One Time Inspection (OTI)?

    <p>To verify the existence of suspected equipment conditions or malfunctions</p> Signup and view all the answers

    What is the scope of an Acceptance Inspection for Aerospace Ground Equipment (AGE)?

    <p>A Preparation for Use, Service Inspection, and Operational Check</p> Signup and view all the answers

    What is the timeframe for performing an Acceptance Inspection on newly assigned or organic/contract depot repaired vehicles, engines, and equipment?

    <p>Within 30 days of equipment receipt</p> Signup and view all the answers

    What is the purpose of a Local One Time Inspection (OTI)?

    <p>To verify the existence of suspected equipment conditions or malfunctions</p> Signup and view all the answers

    How are MAJCOM OTIs identified?

    <p>With a unique alpha prefix and a six character sequence number</p> Signup and view all the answers

    What happens to similar systems or units when an unsafe condition or material failure is discovered on aerospace equipment?

    <p>They are restricted from further flight or use if warranted, and a Deficiency Report is submitted</p> Signup and view all the answers

    What is the purpose of a Deficiency Report (DR)?

    <p>To document a deficiency or material failure on aerospace equipment</p> Signup and view all the answers

    How are Local OTIs identified?

    <p>With a unique alpha prefix, originating wing, year issued, and a sequence number</p> Signup and view all the answers

    Study Notes

    Inspection Intervals

    • Intervals for Air Force aerospace vehicle inspections are prescribed in applicable Mission Design Series (MDS) specific -6 TO maintenance manuals, item technical orders, inspection workcards, checklists, commercial manuals, or depot engineering data.
    • Inspection concepts for aerospace vehicles include:
      • Periodic
      • Phase
      • Isochronal
      • Programmed Depot Maintenance (PDM)
      • Aerospace vehicle manufacturer maintenance

    Recurring Maintenance

    • Each SM/Program Manager (PM) determines the inspection concept, establishes a recurring maintenance cycle, and ensures adequate scheduling flexibility.
    • Recurring maintenance requirements are published in MDS specific -6 TOs and/or inspection workcard decks.

    Inspection Concepts

    • Periodic Concept:
      • Pre-flight (PR)
      • Basic Post-Flight (BPO)
      • Pre-Launch Inspection (PLI) or Walk-Around (WAI)
      • Combined Pre-Flight/BPO (PR/BPO)
      • End-of-Runway (EOR)
      • Hourly Post-Flight (HPO)
      • Thru-Flight (TH)
      • Periodic (PE)
      • Quick Turn (QT)
      • Pre-Departure Service Check (PDSC)
    • Phase Concept:
      • PR
      • BPO
      • PLI or WAI
      • PR/BPO
      • EOR
      • HPO
      • TH
      • Phase (PH)
      • QT
    • Isochronal Concept:
      • PR
      • PR/BPO
      • EOR
      • HPO
      • TH
      • Home Station Check (HSC)
      • QT
      • Minor (Min)
      • BPO
      • Major (Maj)
    • Programmed Depot Maintenance (PDM) Concept:
      • 12 Month
      • 48 Month
      • 24 Month
      • 54 Month
      • 36 Month
      • 60 Month
    • Aerospace Vehicle Manufacturer Inspection Concept:
      • A Check
      • C Check
      • B Check
      • D Check

    Inspection Cycle

    • Lead commands may authorize aerospace vehicles to use a modified inspection workcard deck during contingencies and increased readiness conditions.
    • The SM designates and publishes workcards in conjunction with the Lead Command for use during these periods.
    • Inspection intervals are scheduled at equal intervals throughout the total inspection cycle, regardless of when inspections were actually completed.

    Inspection Types

    • Pre-Flight Inspections:
      • PR
      • PLI or WAI
      • Pre-Flight validity period ends when the selected time period has expired or when the specified flying period expires, whichever occurs first.
    • End-of-Runway Inspection:
      • EOR
      • Performed immediately prior to take-off at a designated location.
    • Thru-Flight Inspection:
      • TH
      • After each flight, when a turnaround sortie or a continuation flight is scheduled and a BPO inspection is not required.
    • Quick Turn Inspection:
      • QT
      • An abbreviated thru-flight inspection authorized by MDS specific -6 TOs.
    • Basic Post-Flight Inspection:
      • BPO
      • A more thorough check than the PR or TH inspections.
    • Combined Pre-Flight/Basic Post-Flight Inspection:
      • PR/BPO
      • Consolidates the requirements of the PR and BPO inspections into a single inspection.
    • Hourly Post-Flight Inspection:
      • HPO
      • Accomplished at equally spaced intervals as specified in the applicable MDS specific -6 TO.
    • Periodic Inspection:
      • PE
      • Due upon accrual of the number of flying hours, operating hours, or at the expiration of a calendar period specified in the applicable MDS specific -6 TO.
    • Phase Inspections:
      • PH
      • Consolidation of the BPO, periodic inspection, and/or HPO requirements into work decks having approximately the same work content and approximately the same number of clock hours for accomplishment.
    • Isochronal Inspection:
      • ISO
      • Translates flying hour utilization rates into calendar periods, usually expressed in days.
    • Minor ISO Inspection:
      • MIN
      • Checks certain components, areas, or systems of the aerospace vehicle to determine if conditions exist that could result in failure or malfunction prior to the next scheduled inspection.
    • Major ISO Inspection:
      • MAJ
      • A thorough inspection of the entire aerospace vehicle, individual requirements may be more extensive in scope than previous inspection items.
    • Home Station Check Inspection:
      • HSC
      • Arranged and designed for accomplishment upon expiration of a specified short-term calendar interval.
    • Programmed Depot Maintenance:
      • PDM
      • An inspection requiring skills, equipment, and/or facilities not normally possessed by operating locations.
    • Aerospace Vehicle Manufacturer Inspections:
      • Letter checks (A through D)
      • Specify the inspection period in either flying hours or calendar days.
    • No-Fly Calendar Inspections:
      • 30-Day Inspection
      • 90-Day Inspection
      • Required when aerospace vehicles do not fly for a consecutive number of days.### 30-Day Calibration Inspection
    • Aerospace vehicles that have completed a PH or ISO inspection within the 30-day period will use the PH/ISO post-dock date to start the 30-day no-fly clock.

    90-Day Inspection

    • When an aerospace vehicle does not fly for 90 consecutive days (excluding ground training and alert/immediate response aerospace vehicles), the following tasks must be accomplished before the vehicle is returned to operational status:
      • Perform a BPO or equivalent inspection.
      • Perform an operational check of all functional aerospace vehicle systems except landing gear retraction (unless specified in the MDS specific -6 or -2 TO).
      • Accomplish all lubrication requirements.
      • Perform any additional inspection or maintenance requirements determined by the GP/CC.

    Transfer Inspections

    • See Chapter 8 for procedures.

    Acceptance Inspections

    • Lead Command will determine if an acceptance inspection is required for all newly assigned or organic/contract depot repaired vehicles/engines and equipment prior to being placed in service.
    • The scope of these inspections will consist of:
      • Preparation for Use IAW end-item TO.
      • Service Inspection (SI) IAW applicable workcard.
      • Operational Check IAW end-item TO.
    • An acceptance inspection will be accomplished within 30 days of equipment receipt, and an Acceptance Inspection Deficiency Report (AIDR) will be documented in the Joint Deficiency Reporting System (JDRS) IAW TO 00-35D-54.

    One Time Inspections (OTIs)

    • OTIs are used to verify the existence of suspected equipment conditions or malfunctions.
    • TCTOs directing an OTI must indicate whether previous inspections satisfy the one-time requirement.
    • OTIs are developed and issued under the same guidelines as any other ALC issued TCTO.

    In Process Inspection (IPI)

    • An IPI is an additional inspection or verification step at a critical point in the installation, assembly, or reassembly of a system, subsystem, or component.
    • IPIs are either TO, MAJCOM, or locally directed and are accomplished by IPI certified personnel.

    Aerospace Vehicles in Storage

    • Storage time will be accrued in accordance with TO 1-1-17 and applicable MDS specific TOs.
    • For aerospace vehicles in storage exceeding 15 calendar days, time in storage is not charged against the calendar time for the next scheduled home station check, minor, or major inspection.

    Inspection Workcards

    • Inspection workcards outline the minimum inspection requirements and provide each technician with a standardized inspection guide.
    • Workcards are grouped by the recommended type of technician required to accomplish the inspection so that all requirements listed on any particular card can normally be accomplished by one individual.

    Inspection Intervals

    • Intervals for Air Force aerospace vehicle inspections are prescribed in applicable Mission Design Series (MDS) specific -6 TO maintenance manuals, item technical orders, inspection workcards, checklists, commercial manuals, or depot engineering data.
    • Inspection concepts for aerospace vehicles include:
      • Periodic
      • Phase
      • Isochronal
      • Programmed Depot Maintenance (PDM)
      • Aerospace vehicle manufacturer maintenance

    Recurring Maintenance

    • Each SM/Program Manager (PM) determines the inspection concept, establishes a recurring maintenance cycle, and ensures adequate scheduling flexibility.
    • Recurring maintenance requirements are published in MDS specific -6 TOs and/or inspection workcard decks.

    Inspection Concepts

    • Periodic Concept:
      • Pre-flight (PR)
      • Basic Post-Flight (BPO)
      • Pre-Launch Inspection (PLI) or Walk-Around (WAI)
      • Combined Pre-Flight/BPO (PR/BPO)
      • End-of-Runway (EOR)
      • Hourly Post-Flight (HPO)
      • Thru-Flight (TH)
      • Periodic (PE)
      • Quick Turn (QT)
      • Pre-Departure Service Check (PDSC)
    • Phase Concept:
      • PR
      • BPO
      • PLI or WAI
      • PR/BPO
      • EOR
      • HPO
      • TH
      • Phase (PH)
      • QT
    • Isochronal Concept:
      • PR
      • PR/BPO
      • EOR
      • HPO
      • TH
      • Home Station Check (HSC)
      • QT
      • Minor (Min)
      • BPO
      • Major (Maj)
    • Programmed Depot Maintenance (PDM) Concept:
      • 12 Month
      • 48 Month
      • 24 Month
      • 54 Month
      • 36 Month
      • 60 Month
    • Aerospace Vehicle Manufacturer Inspection Concept:
      • A Check
      • C Check
      • B Check
      • D Check

    Inspection Cycle

    • Lead commands may authorize aerospace vehicles to use a modified inspection workcard deck during contingencies and increased readiness conditions.
    • The SM designates and publishes workcards in conjunction with the Lead Command for use during these periods.
    • Inspection intervals are scheduled at equal intervals throughout the total inspection cycle, regardless of when inspections were actually completed.

    Inspection Types

    • Pre-Flight Inspections:
      • PR
      • PLI or WAI
      • Pre-Flight validity period ends when the selected time period has expired or when the specified flying period expires, whichever occurs first.
    • End-of-Runway Inspection:
      • EOR
      • Performed immediately prior to take-off at a designated location.
    • Thru-Flight Inspection:
      • TH
      • After each flight, when a turnaround sortie or a continuation flight is scheduled and a BPO inspection is not required.
    • Quick Turn Inspection:
      • QT
      • An abbreviated thru-flight inspection authorized by MDS specific -6 TOs.
    • Basic Post-Flight Inspection:
      • BPO
      • A more thorough check than the PR or TH inspections.
    • Combined Pre-Flight/Basic Post-Flight Inspection:
      • PR/BPO
      • Consolidates the requirements of the PR and BPO inspections into a single inspection.
    • Hourly Post-Flight Inspection:
      • HPO
      • Accomplished at equally spaced intervals as specified in the applicable MDS specific -6 TO.
    • Periodic Inspection:
      • PE
      • Due upon accrual of the number of flying hours, operating hours, or at the expiration of a calendar period specified in the applicable MDS specific -6 TO.
    • Phase Inspections:
      • PH
      • Consolidation of the BPO, periodic inspection, and/or HPO requirements into work decks having approximately the same work content and approximately the same number of clock hours for accomplishment.
    • Isochronal Inspection:
      • ISO
      • Translates flying hour utilization rates into calendar periods, usually expressed in days.
    • Minor ISO Inspection:
      • MIN
      • Checks certain components, areas, or systems of the aerospace vehicle to determine if conditions exist that could result in failure or malfunction prior to the next scheduled inspection.
    • Major ISO Inspection:
      • MAJ
      • A thorough inspection of the entire aerospace vehicle, individual requirements may be more extensive in scope than previous inspection items.
    • Home Station Check Inspection:
      • HSC
      • Arranged and designed for accomplishment upon expiration of a specified short-term calendar interval.
    • Programmed Depot Maintenance:
      • PDM
      • An inspection requiring skills, equipment, and/or facilities not normally possessed by operating locations.
    • Aerospace Vehicle Manufacturer Inspections:
      • Letter checks (A through D)
      • Specify the inspection period in either flying hours or calendar days.
    • No-Fly Calendar Inspections:
      • 30-Day Inspection
      • 90-Day Inspection
      • Required when aerospace vehicles do not fly for a consecutive number of days.### 30-Day Calibration Inspection
    • Aerospace vehicles that have completed a PH or ISO inspection within the 30-day period will use the PH/ISO post-dock date to start the 30-day no-fly clock.

    90-Day Inspection

    • When an aerospace vehicle does not fly for 90 consecutive days (excluding ground training and alert/immediate response aerospace vehicles), the following tasks must be accomplished before the vehicle is returned to operational status:
      • Perform a BPO or equivalent inspection.
      • Perform an operational check of all functional aerospace vehicle systems except landing gear retraction (unless specified in the MDS specific -6 or -2 TO).
      • Accomplish all lubrication requirements.
      • Perform any additional inspection or maintenance requirements determined by the GP/CC.

    Transfer Inspections

    • See Chapter 8 for procedures.

    Acceptance Inspections

    • Lead Command will determine if an acceptance inspection is required for all newly assigned or organic/contract depot repaired vehicles/engines and equipment prior to being placed in service.
    • The scope of these inspections will consist of:
      • Preparation for Use IAW end-item TO.
      • Service Inspection (SI) IAW applicable workcard.
      • Operational Check IAW end-item TO.
    • An acceptance inspection will be accomplished within 30 days of equipment receipt, and an Acceptance Inspection Deficiency Report (AIDR) will be documented in the Joint Deficiency Reporting System (JDRS) IAW TO 00-35D-54.

    One Time Inspections (OTIs)

    • OTIs are used to verify the existence of suspected equipment conditions or malfunctions.
    • TCTOs directing an OTI must indicate whether previous inspections satisfy the one-time requirement.
    • OTIs are developed and issued under the same guidelines as any other ALC issued TCTO.

    In Process Inspection (IPI)

    • An IPI is an additional inspection or verification step at a critical point in the installation, assembly, or reassembly of a system, subsystem, or component.
    • IPIs are either TO, MAJCOM, or locally directed and are accomplished by IPI certified personnel.

    Aerospace Vehicles in Storage

    • Storage time will be accrued in accordance with TO 1-1-17 and applicable MDS specific TOs.
    • For aerospace vehicles in storage exceeding 15 calendar days, time in storage is not charged against the calendar time for the next scheduled home station check, minor, or major inspection.

    Inspection Workcards

    • Inspection workcards outline the minimum inspection requirements and provide each technician with a standardized inspection guide.
    • Workcards are grouped by the recommended type of technician required to accomplish the inspection so that all requirements listed on any particular card can normally be accomplished by one individual.

    Inspection Intervals

    • Intervals for Air Force aerospace vehicle inspections are prescribed in applicable Mission Design Series (MDS) specific -6 TO maintenance manuals, item technical orders, inspection workcards, checklists, commercial manuals, or depot engineering data.
    • Inspection concepts for aerospace vehicles include:
      • Periodic
      • Phase
      • Isochronal
      • Programmed Depot Maintenance (PDM)
      • Aerospace vehicle manufacturer maintenance

    Recurring Maintenance

    • Each SM/Program Manager (PM) determines the inspection concept, establishes a recurring maintenance cycle, and ensures adequate scheduling flexibility.
    • Recurring maintenance requirements are published in MDS specific -6 TOs and/or inspection workcard decks.

    Inspection Concepts

    • Periodic Concept:
      • Pre-flight (PR)
      • Basic Post-Flight (BPO)
      • Pre-Launch Inspection (PLI) or Walk-Around (WAI)
      • Combined Pre-Flight/BPO (PR/BPO)
      • End-of-Runway (EOR)
      • Hourly Post-Flight (HPO)
      • Thru-Flight (TH)
      • Periodic (PE)
      • Quick Turn (QT)
      • Pre-Departure Service Check (PDSC)
    • Phase Concept:
      • PR
      • BPO
      • PLI or WAI
      • PR/BPO
      • EOR
      • HPO
      • TH
      • Phase (PH)
      • QT
    • Isochronal Concept:
      • PR
      • PR/BPO
      • EOR
      • HPO
      • TH
      • Home Station Check (HSC)
      • QT
      • Minor (Min)
      • BPO
      • Major (Maj)
    • Programmed Depot Maintenance (PDM) Concept:
      • 12 Month
      • 48 Month
      • 24 Month
      • 54 Month
      • 36 Month
      • 60 Month
    • Aerospace Vehicle Manufacturer Inspection Concept:
      • A Check
      • C Check
      • B Check
      • D Check

    Inspection Cycle

    • Lead commands may authorize aerospace vehicles to use a modified inspection workcard deck during contingencies and increased readiness conditions.
    • The SM designates and publishes workcards in conjunction with the Lead Command for use during these periods.
    • Inspection intervals are scheduled at equal intervals throughout the total inspection cycle, regardless of when inspections were actually completed.

    Inspection Types

    • Pre-Flight Inspections:
      • PR
      • PLI or WAI
      • Pre-Flight validity period ends when the selected time period has expired or when the specified flying period expires, whichever occurs first.
    • End-of-Runway Inspection:
      • EOR
      • Performed immediately prior to take-off at a designated location.
    • Thru-Flight Inspection:
      • TH
      • After each flight, when a turnaround sortie or a continuation flight is scheduled and a BPO inspection is not required.
    • Quick Turn Inspection:
      • QT
      • An abbreviated thru-flight inspection authorized by MDS specific -6 TOs.
    • Basic Post-Flight Inspection:
      • BPO
      • A more thorough check than the PR or TH inspections.
    • Combined Pre-Flight/Basic Post-Flight Inspection:
      • PR/BPO
      • Consolidates the requirements of the PR and BPO inspections into a single inspection.
    • Hourly Post-Flight Inspection:
      • HPO
      • Accomplished at equally spaced intervals as specified in the applicable MDS specific -6 TO.
    • Periodic Inspection:
      • PE
      • Due upon accrual of the number of flying hours, operating hours, or at the expiration of a calendar period specified in the applicable MDS specific -6 TO.
    • Phase Inspections:
      • PH
      • Consolidation of the BPO, periodic inspection, and/or HPO requirements into work decks having approximately the same work content and approximately the same number of clock hours for accomplishment.
    • Isochronal Inspection:
      • ISO
      • Translates flying hour utilization rates into calendar periods, usually expressed in days.
    • Minor ISO Inspection:
      • MIN
      • Checks certain components, areas, or systems of the aerospace vehicle to determine if conditions exist that could result in failure or malfunction prior to the next scheduled inspection.
    • Major ISO Inspection:
      • MAJ
      • A thorough inspection of the entire aerospace vehicle, individual requirements may be more extensive in scope than previous inspection items.
    • Home Station Check Inspection:
      • HSC
      • Arranged and designed for accomplishment upon expiration of a specified short-term calendar interval.
    • Programmed Depot Maintenance:
      • PDM
      • An inspection requiring skills, equipment, and/or facilities not normally possessed by operating locations.
    • Aerospace Vehicle Manufacturer Inspections:
      • Letter checks (A through D)
      • Specify the inspection period in either flying hours or calendar days.
    • No-Fly Calendar Inspections:
      • 30-Day Inspection
      • 90-Day Inspection
      • Required when aerospace vehicles do not fly for a consecutive number of days.### 30-Day Calibration Inspection
    • Aerospace vehicles that have completed a PH or ISO inspection within the 30-day period will use the PH/ISO post-dock date to start the 30-day no-fly clock.

    90-Day Inspection

    • When an aerospace vehicle does not fly for 90 consecutive days (excluding ground training and alert/immediate response aerospace vehicles), the following tasks must be accomplished before the vehicle is returned to operational status:
      • Perform a BPO or equivalent inspection.
      • Perform an operational check of all functional aerospace vehicle systems except landing gear retraction (unless specified in the MDS specific -6 or -2 TO).
      • Accomplish all lubrication requirements.
      • Perform any additional inspection or maintenance requirements determined by the GP/CC.

    Transfer Inspections

    • See Chapter 8 for procedures.

    Acceptance Inspections

    • Lead Command will determine if an acceptance inspection is required for all newly assigned or organic/contract depot repaired vehicles/engines and equipment prior to being placed in service.
    • The scope of these inspections will consist of:
      • Preparation for Use IAW end-item TO.
      • Service Inspection (SI) IAW applicable workcard.
      • Operational Check IAW end-item TO.
    • An acceptance inspection will be accomplished within 30 days of equipment receipt, and an Acceptance Inspection Deficiency Report (AIDR) will be documented in the Joint Deficiency Reporting System (JDRS) IAW TO 00-35D-54.

    One Time Inspections (OTIs)

    • OTIs are used to verify the existence of suspected equipment conditions or malfunctions.
    • TCTOs directing an OTI must indicate whether previous inspections satisfy the one-time requirement.
    • OTIs are developed and issued under the same guidelines as any other ALC issued TCTO.

    In Process Inspection (IPI)

    • An IPI is an additional inspection or verification step at a critical point in the installation, assembly, or reassembly of a system, subsystem, or component.
    • IPIs are either TO, MAJCOM, or locally directed and are accomplished by IPI certified personnel.

    Aerospace Vehicles in Storage

    • Storage time will be accrued in accordance with TO 1-1-17 and applicable MDS specific TOs.
    • For aerospace vehicles in storage exceeding 15 calendar days, time in storage is not charged against the calendar time for the next scheduled home station check, minor, or major inspection.

    Inspection Workcards

    • Inspection workcards outline the minimum inspection requirements and provide each technician with a standardized inspection guide.
    • Workcards are grouped by the recommended type of technician required to accomplish the inspection so that all requirements listed on any particular card can normally be accomplished by one individual.

    Inspection Intervals

    • Intervals for Air Force aerospace vehicle inspections are prescribed in applicable Mission Design Series (MDS) specific -6 TO maintenance manuals, item technical orders, inspection workcards, checklists, commercial manuals, or depot engineering data.
    • Inspection concepts for aerospace vehicles include:
      • Periodic
      • Phase
      • Isochronal
      • Programmed Depot Maintenance (PDM)
      • Aerospace vehicle manufacturer maintenance

    Recurring Maintenance

    • Each SM/Program Manager (PM) determines the inspection concept, establishes a recurring maintenance cycle, and ensures adequate scheduling flexibility.
    • Recurring maintenance requirements are published in MDS specific -6 TOs and/or inspection workcard decks.

    Inspection Concepts

    • Periodic Concept:
      • Pre-flight (PR)
      • Basic Post-Flight (BPO)
      • Pre-Launch Inspection (PLI) or Walk-Around (WAI)
      • Combined Pre-Flight/BPO (PR/BPO)
      • End-of-Runway (EOR)
      • Hourly Post-Flight (HPO)
      • Thru-Flight (TH)
      • Periodic (PE)
      • Quick Turn (QT)
      • Pre-Departure Service Check (PDSC)
    • Phase Concept:
      • PR
      • BPO
      • PLI or WAI
      • PR/BPO
      • EOR
      • HPO
      • TH
      • Phase (PH)
      • QT
    • Isochronal Concept:
      • PR
      • PR/BPO
      • EOR
      • HPO
      • TH
      • Home Station Check (HSC)
      • QT
      • Minor (Min)
      • BPO
      • Major (Maj)
    • Programmed Depot Maintenance (PDM) Concept:
      • 12 Month
      • 48 Month
      • 24 Month
      • 54 Month
      • 36 Month
      • 60 Month
    • Aerospace Vehicle Manufacturer Inspection Concept:
      • A Check
      • C Check
      • B Check
      • D Check

    Inspection Cycle

    • Lead commands may authorize aerospace vehicles to use a modified inspection workcard deck during contingencies and increased readiness conditions.
    • The SM designates and publishes workcards in conjunction with the Lead Command for use during these periods.
    • Inspection intervals are scheduled at equal intervals throughout the total inspection cycle, regardless of when inspections were actually completed.

    Inspection Types

    • Pre-Flight Inspections:
      • PR
      • PLI or WAI
      • Pre-Flight validity period ends when the selected time period has expired or when the specified flying period expires, whichever occurs first.
    • End-of-Runway Inspection:
      • EOR
      • Performed immediately prior to take-off at a designated location.
    • Thru-Flight Inspection:
      • TH
      • After each flight, when a turnaround sortie or a continuation flight is scheduled and a BPO inspection is not required.
    • Quick Turn Inspection:
      • QT
      • An abbreviated thru-flight inspection authorized by MDS specific -6 TOs.
    • Basic Post-Flight Inspection:
      • BPO
      • A more thorough check than the PR or TH inspections.
    • Combined Pre-Flight/Basic Post-Flight Inspection:
      • PR/BPO
      • Consolidates the requirements of the PR and BPO inspections into a single inspection.
    • Hourly Post-Flight Inspection:
      • HPO
      • Accomplished at equally spaced intervals as specified in the applicable MDS specific -6 TO.
    • Periodic Inspection:
      • PE
      • Due upon accrual of the number of flying hours, operating hours, or at the expiration of a calendar period specified in the applicable MDS specific -6 TO.
    • Phase Inspections:
      • PH
      • Consolidation of the BPO, periodic inspection, and/or HPO requirements into work decks having approximately the same work content and approximately the same number of clock hours for accomplishment.
    • Isochronal Inspection:
      • ISO
      • Translates flying hour utilization rates into calendar periods, usually expressed in days.
    • Minor ISO Inspection:
      • MIN
      • Checks certain components, areas, or systems of the aerospace vehicle to determine if conditions exist that could result in failure or malfunction prior to the next scheduled inspection.
    • Major ISO Inspection:
      • MAJ
      • A thorough inspection of the entire aerospace vehicle, individual requirements may be more extensive in scope than previous inspection items.
    • Home Station Check Inspection:
      • HSC
      • Arranged and designed for accomplishment upon expiration of a specified short-term calendar interval.
    • Programmed Depot Maintenance:
      • PDM
      • An inspection requiring skills, equipment, and/or facilities not normally possessed by operating locations.
    • Aerospace Vehicle Manufacturer Inspections:
      • Letter checks (A through D)
      • Specify the inspection period in either flying hours or calendar days.
    • No-Fly Calendar Inspections:
      • 30-Day Inspection
      • 90-Day Inspection
      • Required when aerospace vehicles do not fly for a consecutive number of days.### 30-Day Calibration Inspection
    • Aerospace vehicles that have completed a PH or ISO inspection within the 30-day period will use the PH/ISO post-dock date to start the 30-day no-fly clock.

    90-Day Inspection

    • When an aerospace vehicle does not fly for 90 consecutive days (excluding ground training and alert/immediate response aerospace vehicles), the following tasks must be accomplished before the vehicle is returned to operational status:
      • Perform a BPO or equivalent inspection.
      • Perform an operational check of all functional aerospace vehicle systems except landing gear retraction (unless specified in the MDS specific -6 or -2 TO).
      • Accomplish all lubrication requirements.
      • Perform any additional inspection or maintenance requirements determined by the GP/CC.

    Transfer Inspections

    • See Chapter 8 for procedures.

    Acceptance Inspections

    • Lead Command will determine if an acceptance inspection is required for all newly assigned or organic/contract depot repaired vehicles/engines and equipment prior to being placed in service.
    • The scope of these inspections will consist of:
      • Preparation for Use IAW end-item TO.
      • Service Inspection (SI) IAW applicable workcard.
      • Operational Check IAW end-item TO.
    • An acceptance inspection will be accomplished within 30 days of equipment receipt, and an Acceptance Inspection Deficiency Report (AIDR) will be documented in the Joint Deficiency Reporting System (JDRS) IAW TO 00-35D-54.

    One Time Inspections (OTIs)

    • OTIs are used to verify the existence of suspected equipment conditions or malfunctions.
    • TCTOs directing an OTI must indicate whether previous inspections satisfy the one-time requirement.
    • OTIs are developed and issued under the same guidelines as any other ALC issued TCTO.

    In Process Inspection (IPI)

    • An IPI is an additional inspection or verification step at a critical point in the installation, assembly, or reassembly of a system, subsystem, or component.
    • IPIs are either TO, MAJCOM, or locally directed and are accomplished by IPI certified personnel.

    Aerospace Vehicles in Storage

    • Storage time will be accrued in accordance with TO 1-1-17 and applicable MDS specific TOs.
    • For aerospace vehicles in storage exceeding 15 calendar days, time in storage is not charged against the calendar time for the next scheduled home station check, minor, or major inspection.

    Inspection Workcards

    • Inspection workcards outline the minimum inspection requirements and provide each technician with a standardized inspection guide.
    • Workcards are grouped by the recommended type of technician required to accomplish the inspection so that all requirements listed on any particular card can normally be accomplished by one individual.

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    Learn about the inspection intervals for Air Force aerospace vehicles, as prescribed in various maintenance manuals and technical orders. Understand the importance of concurrent inspections and avoiding scheduling complications.

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