00-20-1 Chapter 4
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Questions and Answers

What is the primary source of information for determining inspection intervals for Air Force aerospace vehicles?

  • Inspection workcards and checklists
  • Air Force regulations
  • Applicable Mission Design Series (MDS) specific -6 TO maintenance manuals (correct)
  • Manufacturer's recommendations
  • What is the primary goal of accomplishing inspection requirements concurrently?

  • To increase the frequency of inspections
  • To reduce the scope of inspections
  • To avoid complications in scheduling and controlling the required maintenance (correct)
  • To reduce the frequency of inspections
  • What type of inspection concept is used to ensure that inspections are accomplished at or near the scheduled due time?

  • Periodic inspection (correct)
  • Phase inspection
  • Isochronal inspection
  • Programmed Depot Maintenance (PDM) inspection
  • Who must approve scheduling deviations of periodic, phase, or isochronal inspections beyond what is authorized in aerospace vehicle specific technical manuals?

    <p>The SM in coordination with the owning MAJCOM</p> Signup and view all the answers

    Under what circumstances may the GP/CC increase the frequency or scope of scheduled inspections?

    <p>For temporary situations</p> Signup and view all the answers

    What is the primary purpose of a phase inspection concept?

    <p>To inspect a specific phase of the aerospace vehicle's life cycle</p> Signup and view all the answers

    Who must approve scheduling deviations that affect PDM or aerospace vehicle manufacturer maintenance?

    <p>The Single Manager (SM), Lead Command, and owning MAJCOM</p> Signup and view all the answers

    When new inspection requirements are levied and the age or accrued time of the aerospace vehicles, systems, and components is less than the specified inspection interval, what should be done?

    <p>Begin accomplishment of the new requirements at the prescribed interval</p> Signup and view all the answers

    What determines the inspection concept and establishes a recurring maintenance cycle?

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

    What is the purpose of workcards in recurring maintenance?

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

    What are the basic sub-elements of the periodic inspection concept?

    <p>Pre-flight, Basic Post-Flight, Pre-Launch Inspection, Combined Pre-Flight/BPO</p> Signup and view all the answers

    What determines the inspection cycle during contingencies and increased readiness conditions?

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

    Why are contingency decks constructed?

    <p>To ensure all items impacting aerospace vehicle safety are inspected</p> Signup and view all the answers

    What is required to extend inspection intervals?

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

    What is used to analyze data to make changes to inspection intervals, concepts, or requirements?

    <p>Reliability Centered Maintenance Analysis (RCMA)</p> Signup and view all the answers

    What is specified in publications other than MDS specific -6 TO?

    <p>Inspection requirements for components not installed</p> Signup and view all the answers

    What should be done with inspection requirements for installed items listed in publications other than -6 TO?

    <p>They should be brought to the attention of the SM</p> Signup and view all the answers

    What type of Aircrew Flight Equipment is exempt from inspection requirements?

    <p>AFE not in an installed status</p> Signup and view all the answers

    What is the maximum duration of the specified flying period?

    <p>72 hours</p> Signup and view all the answers

    What is the purpose of the Pre-Flight Inspection?

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

    What is the minimum time period for the Pre-Flight Inspection validity period?

    <p>24 hours</p> Signup and view all the answers

    What happens when an aerospace vehicle is mobilizing for contingency operations?

    <p>It is placed on alert status</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 or have become apparent during ground operation</p> Signup and view all the answers

    When is the End-of-Runway Inspection performed?

    <p>Immediately before take-off</p> Signup and view all the answers

    What type of inspection is not required when aircraft are hot-pitted and immediately accomplish a turnaround or continuation sortie?

    <p>Thru-Flight Inspection</p> Signup and view all the answers

    What is the purpose of the Thru-Flight Inspection?

    <p>To inspect the aircraft between flights</p> Signup and view all the answers

    What is the purpose of the TH inspection?

    <p>To check the aerospace vehicle for flight continuance suitability</p> Signup and view all the answers

    What is the Quick Turn Inspection (QT) authorized for?

    <p>Both A and B</p> Signup and view all the answers

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

    <p>Checking the aerospace vehicle condition after the last flight of a specified flying period</p> Signup and view all the answers

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

    <p>Checking the aerospace vehicle condition at equally spaced intervals</p> Signup and view all the answers

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

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

    What is the Phase Inspection (PH) concept for?

    <p>Minimizing the length of time an aerospace vehicle is out-of-commission for scheduled inspections</p> Signup and view all the answers

    When can Phases be accomplished in advance?

    <p>When authorized by the MAJCOM and SM</p> Signup and view all the answers

    What is the purpose of the Isochronal Inspection?

    <p>Not specified in the text</p> Signup and view all the answers

    How are the requirements of the PR and BPO inspections consolidated?

    <p>Both A and B</p> Signup and view all the answers

    What determines when the PH inspection is due?

    <p>The number of flying hours, operating hours, or calendar period specified in the applicable MDS specific -6 TO</p> Signup and view all the answers

    What is the purpose of an HSC inspection?

    <p>To inspect individual areas, components, and systems according to MDS specific -6 TO requirements</p> Signup and view all the answers

    What type of inspection is performed when an aerospace vehicle does not fly for more than 30 consecutive days?

    <p>30-Day Inspection</p> Signup and view all the answers

    What is the purpose of a PDM inspection?

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

    What happens when an aerospace vehicle exceeds the 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 purpose of a letter check inspection?

    <p>To inspect individual areas, components, and systems according to MDS specific -6 TO requirements</p> Signup and view all the answers

    What happens when an aerospace vehicle completes a PH or ISO inspection during the 30-day period?

    <p>The PH/ISO post-dock date is used to start the 30-day no-fly clock</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 is the purpose of a Red Dash?

    <p>To indicate that an aerospace vehicle has exceeded the PDM cycle</p> Signup and view all the answers

    What is the purpose of a 90-Day Inspection?

    <p>To perform an operational check of all functional aerospace vehicle systems</p> Signup and view all the answers

    What is the purpose of sending HSC schedule deviation requests to the MAJCOM functional manager?

    <p>To request a deviation from the scheduled due date</p> Signup and view all the answers

    What can activities do when published workcards are not compatible with technician manning or scheduled sequence?

    <p>Transfer individual inspection requirements with GP/CC approval</p> Signup and view all the answers

    What happens to inspection requirements that pertain to non-installed systems or components?

    <p>QA lines them out and enters 'NA' in the margin with GP/CC approval</p> Signup and view all the answers

    What is the primary purpose of the SM in the ISO concept?

    <p>To ensure the calendar period is properly established to meet maintenance and engineering requirements</p> Signup and view all the answers

    What is the purpose of the AFTO Form 26?

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

    What is the interval time frame in the ISO concept?

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

    What is the purpose of the MAJ inspection?

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

    Under what circumstances can activities prepare additional workcards?

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

    Who must approve transferring individual inspection requirements from one workcard to another?

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

    When do aerospace vehicles in Purpose Identifier Code DJ not accrue -6 inspection days?

    <p>When awaiting depot input or undergoing UDLM</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

    What is the purpose of reproducing AFTO Form 26 locally?

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

    Who determines necessary adjustments to the inspection interval in the event of changed programmed flying hours?

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

    What information must be provided when requesting ISO deviations?

    <p>All of the above, plus additional information</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 in the MDS specific -6 TO</p> Signup and view all the answers

    What is the interval for isochronal inspections for ICBMs, their trainers, and their SE?

    <p>At equal intervals throughout the total inspection cycle</p> Signup and view all the answers

    What is the purpose of scheduling inspections as far in advance as possible?

    <p>To ensure that inspections are accomplished at or near the scheduled due time</p> Signup and view all the answers

    What is the purpose of an Acceptance Inspection?

    <p>To verify the equipment meets all requirements prior to being placed in service</p> Signup and view all the answers

    Who determines if an Acceptance Inspection is required?

    <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 happens when an unsafe condition or material failure is discovered on aerospace equipment?

    <p>A One Time Inspection (OTI) is initiated</p> Signup and view all the answers

    What is the scope of an Acceptance Inspection?

    <p>Preparation for Use IAW end-item TO, a Service Inspection (SI) IAW applicable workcard, and an Operational Check IAW end-item TO</p> Signup and view all the answers

    Where are local OTIs documented?

    <p>Locally, but not in REMIS</p> Signup and view all the answers

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

    <p>To report an unsafe condition or material failure</p> Signup and view all the answers

    What is the format of a MAJCOM OTI data code?

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

    What is the purpose of restricting similar systems or units from further flight or use?

    <p>To ensure safety until the condition can be corrected</p> Signup and view all the answers

    What is the purpose of an OTI Master record in REMIS?

    <p>There is no OTI Master record in REMIS</p> Signup and view all the answers

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

    <p>To inspect a critical point in the installation, assembly or reassembly of a system, subsystem or component</p> Signup and view all the answers

    What is included in the TCTO Number?

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

    What is included in the minimum contents of an OTI?

    <p>Title, applicable equipment, and compliance period</p> Signup and view all the answers

    Who documents and clears an IPI?

    <p>The technician who ultimately clears the original discrepancy</p> Signup and view all the answers

    What is the purpose of an inspection workcard?

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

    How are IPIs for off-equipment accomplished?

    <p>Similar to on-equipment IPIs, utilizing the AFTO Form 350</p> Signup and view all the answers

    What happens to aerospace vehicles in storage exceeding 15 calendar days?

    <p>Time in storage 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 OPR in an OTI?

    <p>To identify the OTI drafter</p> Signup and view all the answers

    How are digital TOs that include IPIs displayed?

    <p>As a process within the TO</p> Signup and view all the answers

    What is the purpose of an IPI inspector?

    <p>To accomplish and document an IPI</p> Signup and view all the answers

    What determines the scheduling of inspections for Air Force aerospace vehicles?

    <p>Applicable Mission Design Series (MDS) specific -6 TO maintenance manuals</p> Signup and view all the answers

    What is the primary purpose of accomplishing inspection requirements concurrently?

    <p>To avoid complications in scheduling and controlling maintenance</p> Signup and view all the answers

    What type of inspection is used to ensure that inspections are accomplished at or near the scheduled due time?

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

    Who is responsible for ensuring that the periodic, phase, or isochronal inspections are accomplished at or near the scheduled due time?

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

    What is the purpose of the GP/CC increasing the frequency or scope of scheduled inspections?

    <p>To address temporary situations</p> Signup and view all the answers

    What is required for deviations of periodic, phase, or isochronal inspections beyond what is authorized in aerospace vehicle specific technical manuals?

    <p>Owning MAJCOM approval</p> Signup and view all the answers

    When do you begin accomplishing new inspection requirements?

    <p>At the prescribed interval</p> Signup and view all the answers

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

    <p>To quickly inspect the aerospace vehicle before a flight</p> Signup and view all the answers

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

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

    What is the purpose of an aerospace vehicle manufacturer inspection concept?

    <p>To inspect the aerospace vehicle according to the manufacturer's schedule</p> Signup and view all the answers

    What happens when the interval is exceeded for a scheduled inspection?

    <p>The inspection is accomplished as soon as practical</p> Signup and view all the answers

    What is the purpose of a Home Station Check (HSC) inspection?

    <p>To inspect the aerospace vehicle at its home station</p> Signup and view all the answers

    What is the purpose of a Red Dash?

    <p>To annotate extended inspection intervals</p> Signup and view all the answers

    Who approves scheduling deviations that affect PDM or aerospace vehicle manufacturer maintenance?

    <p>The owning MAJCOM</p> Signup and view all the answers

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

    <p>To inspect the aerospace vehicle at equal intervals</p> Signup and view all the answers

    What determines the inspection cycle during contingencies and increased readiness conditions?

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

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

    <p>To ensure aerospace vehicle is prepared for takeoff</p> Signup and view all the answers

    What happens to the aerospace vehicle when it is mobilizing for contingency operations?

    <p>It is prepared in accordance with established TOs and sealed</p> Signup and view all the answers

    What is the maximum duration of the specified flying period?

    <p>72 hours</p> Signup and view all the answers

    Which inspection is not required when aircraft are hot-pitted and immediately accomplish a turnaround or continuation sortie?

    <p>Thru-Flight Inspection</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

    When is the End-of-Runway Inspection performed?

    <p>Immediately prior to takeoff at a designated location</p> Signup and view all the answers

    What is the purpose of the Thru-Flight Inspection?

    <p>To ensure aerospace vehicle is prepared for takeoff</p> Signup and view all the answers

    What type of Aircrew Flight Equipment is exempt from inspection requirements?

    <p>AFE not in an installed status</p> Signup and view all the answers

    What is the purpose of integrating inspection requirements for installed items into the applicable -6 (or -2) scheduled inspection and maintenance manuals?

    <p>To integrate inspection requirements for installed items not listed in MDS specific -6 TO</p> Signup and view all the answers

    What happens when the PR validity period has expired?

    <p>A new PR is required prior to the first flight of the flying period</p> Signup and view all the answers

    What determines the interval time frame for the ISO concept?

    <p>The time between 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 when required?

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

    What information is required when requesting ISO deviations?

    <p>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 for ICBMs, their trainers, and their SE</p> Signup and view all the answers

    What is the purpose of the MIN inspection?

    <p>To determine if conditions exist that, if uncorrected, could result in failure or malfunction of a component prior to the next scheduled inspection</p> Signup and view all the answers

    What is the purpose of sending ISO schedule deviation requests to the MAJCOM functional manager?

    <p>To obtain approval for a deviation to schedules when ISO cannot be met</p> Signup and view all the answers

    Who approves deviations to schedules when ISO cannot be met?

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

    What happens when an aerospace vehicle does not fly for more than 30 consecutive days?

    <p>A Home Station Check Inspection is performed</p> Signup and view all the answers

    What is the purpose of the MAJ inspection?

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

    What is the purpose of an HSC inspection in the isochronal concept?

    <p>To compute the date from the completion of the last isochronal inspection</p> Signup and view all the answers

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

    <p>A Red X will be annotated on the prescribed forms unless the PM grants an extension</p> Signup and view all the answers

    What is the primary purpose of the SM in the ISO concept?

    <p>To ensure the calendar period is properly established to meet maintenance and engineering requirements</p> Signup and view all the answers

    What is the purpose of a letter check inspection?

    <p>To inspect aerospace vehicles according to the letter check concept, which is specified in either flying hours or calendar days</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 is the purpose of a 90-Day Inspection?

    <p>To inspect aerospace vehicles that do not fly for 90 consecutive days</p> Signup and view all the answers

    What happens when an aerospace vehicle completes a PH or ISO inspection during the 30-day period?

    <p>The 30-day no-fly clock will start from the post-dock date of the PH or ISO inspection</p> Signup and view all the answers

    What is the purpose of sending HSC schedule deviation requests to the MAJCOM functional manager?

    <p>To request a deviation from the scheduled HSC inspection date</p> Signup and view all the answers

    What is the purpose of a PDM inspection?

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

    What is the purpose of a Red Dash?

    <p>To annotate aerospace vehicles that exceed the PDM cycle by 90 days</p> Signup and view all the answers

    Who approves scheduling deviations that affect PDM or aerospace vehicle manufacturer maintenance?

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

    When can activities transfer individual inspection requirements from one workcard to another?

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

    What is the purpose of the AFTO Form 26?

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

    What is the purpose of the TH inspection?

    <p>To check the aerospace vehicle for flight continuance suitability</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>GP/CC may authorize Quality Assurance (QA) to line out non-applicable requirements</p> Signup and view all the answers

    What determines the arrangement of published workcards?

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

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

    <p>The Periodic Inspection (PE)</p> Signup and view all the answers

    When can local reproduction of the AFTO Form 26 be authorized?

    <p>Local reproduction of the forms is always authorized</p> Signup and view all the answers

    What determines the due time for all HPO inspections?

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

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

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

    When can Phases be accomplished in advance?

    <p>When authorized by the MAJCOM and SM</p> Signup and view all the answers

    What is the purpose of the Isochronal Inspection?

    <p>To inspect the aerospace vehicle at equal intervals throughout the total inspection cycle</p> Signup and view all the answers

    How are the requirements of the PR and BPO inspections consolidated?

    <p>Through the Combined Pre-Flight/Basic Post-Flight Inspection (PR/BPO)</p> Signup and view all the answers

    What determines when the PH inspection is due?

    <p>The number of the next due PE inspection</p> Signup and view all the answers

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

    <p>To ensure that no defects exist that would be detrimental to flight</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</p> Signup and view all the answers

    What type of inspection is performed on all newly assigned or organic/contract depot repaired vehicles/engines and equipment prior to being placed in service?

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

    Who determines if an acceptance inspection is required on all newly assigned or organic/contract depot repaired vehicles/engines and equipment prior to being placed in service?

    <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 on Aerospace Ground Equipment (AGE)?

    <p>Preparation for Use IAW end-item TO, Service Inspection (SI) IAW applicable workcard, and Operational Check IAW end-item TO</p> Signup and view all the answers

    When is an Acceptance Inspection Deficiency Report (AIDR) documented in the Joint Deficiency Reporting System (JDRS)?

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

    What is the purpose of a Local OTI?

    <p>To restrict similar systems or units from further flight or use if warranted</p> Signup and view all the answers

    How are MAJCOM OTI data codes constructed?

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

    What is the purpose of a Local OTI data code?

    <p>To identify the unit that issued the OTI</p> Signup and view all the answers

    What happens when an unsafe condition or material failure is discovered on aerospace equipment?

    <p>A Local OTI is developed and managed</p> Signup and view all the answers

    What is the purpose of reporting findings to MAJCOM for determination of MAJCOM-wide OTI requirements?

    <p>To develop a MAJCOM-wide OTI</p> Signup and view all the answers

    What is the content of the TCTO Number in IMDS?

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

    What is the minimum content required for an OTI?

    <p>All of the above</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 is responsible for ensuring that all applicable IPIs are completed?

    <p>The technician who ultimately clears the original discrepancy</p> Signup and view all the answers

    What is the purpose of inspection workcards?

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

    How are IPIs documented for off-equipment?

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

    What happens to the time in storage for aerospace vehicles exceeding 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

    Who prepares and updates inspection workcards?

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

    What is the purpose of documenting an IPI?

    <p>To ensure that the IPI requirement is fulfilled</p> Signup and view all the answers

    What is the result of executing an IPI in a digital TO?

    <p>A Work Center Event/Work Event Separator is automatically created</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.

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    Quiz about inspection intervals and recurring maintenance for aerospace vehicles in the Air Force. Covers different inspection concepts and maintenance types.

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