GTS Mod 12 Specific

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What is the main purpose of ground running of gas turbine engines?

To start the aircraft's auxiliary power unit

To test the avionics system only

To perform diagnostic and functional engine checks (correct)

To perform major repairs on the engine

Who should perform engine ground runs?

Only authorised personnel with no training

Anyone with access to the aircraft

Only trained aircraft maintainers (correct)

Any personnel with basic mechanical skills

Why is it essential for an engine ground runner to have a broad working knowledge of the entire aircraft?

Because most aircraft systems are not operational during ground runs

Because most aircraft systems and many aircraft components become operational during ground runs (correct)

Because many aircraft components are not involved in ground runs

Because it is a regulatory requirement

What could be the consequence of untrained personnel performing engine ground runs?

Engine destruction, damaged aircraft, and endangered life Signup and view all the answers

During ground running, who can perform concurrent functional checks?

Avionics and ancillary personnel Signup and view all the answers

Why is ground running of gas turbine engines important?

It is a way to diagnose and perform functional engine checks Signup and view all the answers

What is the purpose of running engines through a full range of operations after major component replacement?

To validate that the components meet specified performance criteria Signup and view all the answers

Who should carry out gas turbine engine operations?

Qualified and authorized personnel Signup and view all the answers

What documents prescribe the responsibilities and procedures for ground operation of aircraft engines and APUs?

eAMMM 7001.059 Signup and view all the answers

What kind of details can be found in Unit Standing Instructions?

Operating procedures specific to the Squadron Signup and view all the answers

Who is responsible for issuing and amending checklists that identify engine operating procedures and limitations?

The System Program Office (SPO) Signup and view all the answers

What is the first step to be taken when preparing for an engine ground run?

Checking the aircraft maintenance documentation Signup and view all the answers

Why is reading the aircraft maintenance documentation essential before conducting an engine ground run?

To highlight any aircraft restrictions that would prevent engine operation Signup and view all the answers

When can an engine run be performed even if the aircraft has several unserviceabilities?

If the faulty component is not activated during the run Signup and view all the answers

What helps determine whether a refuel is needed before conducting an engine ground run?

Existing fuel load stated in the aircraft documentation Signup and view all the answers

Why is aircraft availability often dependent on the efforts of many tradespeople?

To perform coordinated maintenance tasks Signup and view all the answers

What consideration should be made regarding other maintenance personnel when preparing for an engine ground run?

Incorporating ground run checks they are performing into your preparation Signup and view all the answers

What is the primary purpose of testing an engine following component rectification or replacement?

To confirm the engine performs to specifications Signup and view all the answers

Where are engine runs typically performed?

In an engine test cell Signup and view all the answers

What is the main objective of fault detection and rectification engine runs?

To assist in diagnosing a reported fault Signup and view all the answers

Why are performance monitoring engine runs undertaken?

To confirm the power output or condition of an engine Signup and view all the answers

At what intervals are performance monitoring engine runs typically undertaken?

At prescribed intervals by maintenance publications Signup and view all the answers

What is the main purpose of an engine run after major component replacement?

To confirm the rectification carried out Signup and view all the answers

What must be done to ensure that engines or propellers meet specified performance criteria after major component replacement?

Run through a full range of operations Signup and view all the answers

Who is responsible for ensuring that checklists clearly identify engine operating procedures and limitations?

System Program Office (SPO) Signup and view all the answers

What complements and/or builds on the information contained in eAMMM 7001.059 regarding aircraft engine operations?

Unit Standing Instructions (SIs) Signup and view all the answers

What is the best way to ensure gas turbine engine operations are conducted correctly?

In accordance with applicable aircraft technical publications Signup and view all the answers

Who can authorize maintenance personnel to carry out engine runs according to Unit Standing Instructions (SIs)?

Unit Standing Instructions (SIs) Signup and view all the answers

What must be done before maintenance personnel can be authorized to carry out engine runs according to Unit Standing Instructions (SIs)?

Meet specific requirements detailed in the SIs Signup and view all the answers

What is the purpose of engine replacement runs?

To confirm engine serviceability before installation Signup and view all the answers

Why are pre-removal runs conducted before fitting an engine to an aircraft?

To establish reference parameters before removal Signup and view all the answers

What is a primary consideration for repair venues when they receive engine condition data?

Analyzing engine performance data Signup and view all the answers

Why is it recommended to use external power sources for aircraft systems?

To increase power supply reliability Signup and view all the answers

What determines whether an aircraft auxiliary power unit provides electrical and pneumatic power?

The aircraft's power supply needs Signup and view all the answers

What distinguishes operating an aircraft engine from using an externally connected ground support equipment (GSE)?

Cost effectiveness Signup and view all the answers

What is a typical activity that should be performed during the preparation for an engine run start-up procedure?

Perform relevant cockpit entry checklists Signup and view all the answers

During engine start safety brief, what is NOT a responsibility that should be included?

Crew personal schedule arrangements Signup and view all the answers

What information does the control tower normally require before granting start and ground run clearance?

Aircraft type, tail number, and location Signup and view all the answers

What is a key aspect of the engine pre-start checklists?

Inspecting the engine components prior to start Signup and view all the answers

What is the main purpose of contacting the control tower before starting the engine?

To provide details like aircraft type and location for start and ground run clearance Signup and view all the answers

What is the role of eAMMM 7001.059 in the ground operation of aircraft engines and APUs?

Prescribes responsibilities and procedures for engine runs Signup and view all the answers

Why is following Unit Standing Instructions (SIs) important before carrying out engine runs?

To detail the operating procedures and requirements Signup and view all the answers

Who has the responsibility for ensuring that checklists clearly identify engine operating procedures and limitations?

System Program Office (SPO) Signup and view all the answers

What must be met before maintenance personnel can be authorized to conduct engine runs according to Unit Standing Instructions (SIs)?

Recertification requirements Signup and view all the answers

What are the primary components to be covered during the ground running of gas turbine engines?

Full range operations and performance monitoring Signup and view all the answers

What should be considered when organising the location, resource, and personnel requirements for an engine run?

Local flying program Signup and view all the answers

Why is it important to position the aircraft into the wind at the engine run-up area?

To assist with cooling during engine run-up Signup and view all the answers

What equipment should be placed off to the side of the aircraft at the engine run-up area?

Any unnecessary equipment Signup and view all the answers

What must the engine run operator ensure before performing an engine run?

A pre-start walk-around has been completed Signup and view all the answers

What is the primary reason to position the ground power unit correctly at the engine run-up area?

To ensure the aircraft has power during the engine run Signup and view all the answers

Why is it necessary to have appropriate wheel chocks or restraints fitted when positioning the aircraft in the wind?

To ensure the aircraft stays in place Signup and view all the answers

Which danger area may present extreme danger from the strobe effect of anti-collision lights in propeller-driven aircraft during night-time operation?

Engine's turbine plane of rotation Signup and view all the answers

Why are ADF maintenance personnel generally not authorized to perform engine runs on rotary-wing aircraft?

Risk of aircraft lift-off Signup and view all the answers

What is the reason some exceptions exist for specific helicopter types regarding ADF maintenance personnel performing engine runs?

Isolation of power-trains from the engine Signup and view all the answers

Where does the extreme danger primarily come from with the strobe effect of anti-collision lights in propeller-driven aircraft?

Engine's turbine Signup and view all the answers

What unique hazards do helicopters present regardless of the operator?

Risk of aircraft lift-off Signup and view all the answers

Why are ADF maintenance personnel often not allowed to perform engine runs on rotary wing aircraft?

Risk of aircraft lift-off Signup and view all the answers

What produces lift to hold a main rotor assembly in its normal plane of rotation?

Centrifugal force Signup and view all the answers

In what conditions can it be difficult to determine if a tail rotor is operating?

Night or with a strobe light operating nearby Signup and view all the answers

What can happen if a helicopter using skid landing gear skids unexpectedly around the main rotor axis?

Tail rotor plane of rotation advancement Signup and view all the answers

What danger area of a helicopter involves sustained suction that can ingest maintenance equipment and personnel?

Engine intake Signup and view all the answers

Why must caution be exercised when moving around helicopters during start-up and shut down?

To reduce risk of main rotor disc droop Signup and view all the answers

What spinning component on a helicopter can operate at higher speeds than the main rotor?

Tail rotor Signup and view all the answers

Why should the distance to buildings be considered even if they are outside the jet efflux danger zone?

To avoid the fumes produced by gas turbine combustion affecting personnel. Signup and view all the answers

What is the purpose of blast deflectors around aircraft engine run facilities?

To alter the direction of jet thrust and protect personnel. Signup and view all the answers

Why does the danger area around aircraft increase dramatically once engines are started?

Because the suction from the engine intake can draw personnel in, while the thrust from the engine can be felt at distances beyond 250 feet. Signup and view all the answers

How do blast deflectors and other structures assist in engine run safety?

By altering the direction of the gas blast to protect personnel. Signup and view all the answers

What effect can the suction from the engine intake have on personnel near the aircraft?

It can draw personnel into the engine even at low power settings. Signup and view all the answers

Why is positioning the aircraft engine into the wind important at the engine run-up area?

To prevent the formation of dangerous air eddies during engine run. Signup and view all the answers

What should be considered when organizing the location, resource, and personnel requirements for an engine run?

Power settings, run duration, and wind and weather conditions Signup and view all the answers

Why is it important to position the aircraft into the wind at the engine run-up area?

To reduce the risk of the aircraft jumping the chocks Signup and view all the answers

What is essential to ensure before performing an engine run?

That a pre-start walk-around has been completed Signup and view all the answers

What should be placed off to the side of the aircraft during an engine run?

Unnecessary equipment Signup and view all the answers

Why is it important to consider local flying programs when organizing an engine run?

To ensure local air traffic is not disrupted Signup and view all the answers

What is a key consideration when determining the resource requirements for an engine run?

All of the above Signup and view all the answers

What role do General considerations play in selecting an aircraft run-up location?

Prescribing areas and limitations on aircraft ground running Signup and view all the answers

How do operational and environmental factors influence aircraft positioning for an engine run?

Defining the areas where an aircraft can be positioned Signup and view all the answers

Why might large aircraft pose challenges when preparing for an engine run?

They create difficulties with limited maneuvering space Signup and view all the answers

What importance do engine power setting requirements and noise limitations hold in selecting an aircraft run-up location?

Affecting the selection of the aircraft run-up location Signup and view all the answers

Why is the power available from the engine(s) significant when preparing an aircraft for an engine run?

To understand the engine's capabilities and limitations Signup and view all the answers

What is the primary purpose of Unit Standing Instructions in the context of engine run-up locations?

Determining the areas where aircraft can be positioned for engine runs Signup and view all the answers

What is one factor that should be considered when preparing for an engine run in an exposed hot area?

Applying sunscreen Signup and view all the answers

Why is it important to ensure that sufficient fuel is in the fuel tanks before starting an engine?

To prevent engine stall during the run Signup and view all the answers

What does Personal Protective Equipment (PPE) for engine runs depend on?

The type of engine being used Signup and view all the answers

When should a kidney belt potentially be required during an engine run?

When performing maintenance activities Signup and view all the answers

Why must high power engine runs be performed in designated areas away from facilities?

To ensure the safety of personnel Signup and view all the answers

What consideration should be made regarding personnel before conducting an engine run start-up?

Confirming they are wearing appropriate PPE Signup and view all the answers

What is an important limit that should be observed during engine runs to prevent structural damage?

Turbine gas temperature limits Signup and view all the answers

Which of the following should be checked during the post-start phase after the engine has stabilized?

Oil pressure limits Signup and view all the answers

What parameter do engine operators particularly focus on when assessing engine performance?

Engine parameters Signup and view all the answers

Which aspect is important to consider when observing engine parameters either during engine runs or flights?

Turbine gas temperature Signup and view all the answers

What should be done if external power was utilized to start the engine?

Have the power lead removed Signup and view all the answers

When conducting engine runs, which parameter should operators always be mindful of?

Minimum and maximum torque Signup and view all the answers

What may engine operating limits include?

Minimum and maximum ambient air temperatures Signup and view all the answers

Why is it crucial to record starts in different operating areas of an engine?

To enable immediate corrective action if necessary Signup and view all the answers

What should be performed before further start attempts if an engine shows persistent starts in area A?

Immediate corrective action Signup and view all the answers

What indicates the need for corrective action in the context of engine starts in area B?

Persistent starts in area B Signup and view all the answers

How do specialised headset communication systems assist in engine run scenarios?

By facilitating easier communication within the noise environment Signup and view all the answers

In the context of engine operating limits, what are turbine gas temperature limits critical for?

Ensuring safe engine starting and continuous operation Signup and view all the answers

What must an engine operator be able to do during normal and emergency situations?

Respond quickly and effectively Signup and view all the answers

What is the importance of understanding turbine temperature limits?

To establish limits for engine operation Signup and view all the answers

What is the Engine Running Unit Standing Instructions responsible for?

Authorising engine run procedures Signup and view all the answers

What is an engine run broken into?

Preparation, engine running and tidy up Signup and view all the answers

What is this workbook not intended to be?

The authority to perform engine ground runs Signup and view all the answers

What is the primary purpose of running engines through a full range of operations after a major component replacement?

To make sure the engines meet specified performance criteria Signup and view all the answers

Who is responsible for issuing and amending checklists that identify engine operating procedures and limitations?

System Program Office (SPO) for the aircraft type Signup and view all the answers

What plays a critical role in determining the resource requirements for an engine run?

General considerations Signup and view all the answers

In the context of engine operating limits, what are turbine gas temperature limits primarily critical for?

Ensuring engine safety and performance Signup and view all the answers

Who should ensure that an aircraft's engines are ground run in accordance with approved checklists?

System Program Office (SPO) for the aircraft type Signup and view all the answers

What is the primary purpose of engine replacement runs?

To confirm that the engine performs to specifications Signup and view all the answers

What is the benefit of using external power sources for aircraft systems?

To provide a more cost-effective option compared to operating an installed aircraft engine Signup and view all the answers

What is the purpose of pre-removal runs?

To confirm serviceability of the engine Signup and view all the answers

What is recorded during engine replacement runs?

Engine condition, performance and the presence of leaks Signup and view all the answers

What is the benefit of performing engine replacement runs?

To confirm that the engine performs to specifications and also confirm that systems associated with that engine perform to specifications Signup and view all the answers

What is the purpose of recording pre-removal performance data?

To enable effective repairs/rectifications when an engine is received at a repair venue Signup and view all the answers

What is a key consideration when positioning the aircraft in the engine run-up area?

Positioning the aircraft into the wind, if possible Signup and view all the answers

What must be completed before performing an engine run?

Pre-start walk-around Signup and view all the answers

What is a consideration when organizing an engine run?

Local flying programs Signup and view all the answers

What is a requirement for safe evacuation in the event of a dangerous situation during an engine run?

Minimum number of personnel required Signup and view all the answers

What should be placed off to the side of the aircraft at the engine run-up area?

Unnecessary equipment Signup and view all the answers

What should be considered when determining the resource requirements for an engine run?

Personnel and resource requirements Signup and view all the answers

GTS Mod 12 Specific

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Questions and Answers

What is the main purpose of ground running of gas turbine engines?

Who should perform engine ground runs?

Why is it essential for an engine ground runner to have a broad working knowledge of the entire aircraft?

What could be the consequence of untrained personnel performing engine ground runs?

During ground running, who can perform concurrent functional checks?

Why is ground running of gas turbine engines important?

What is the purpose of running engines through a full range of operations after major component replacement?

Who should carry out gas turbine engine operations?

What documents prescribe the responsibilities and procedures for ground operation of aircraft engines and APUs?

What kind of details can be found in Unit Standing Instructions?

Who is responsible for issuing and amending checklists that identify engine operating procedures and limitations?

What is the first step to be taken when preparing for an engine ground run?

Why is reading the aircraft maintenance documentation essential before conducting an engine ground run?

When can an engine run be performed even if the aircraft has several unserviceabilities?

What helps determine whether a refuel is needed before conducting an engine ground run?

Why is aircraft availability often dependent on the efforts of many tradespeople?

What consideration should be made regarding other maintenance personnel when preparing for an engine ground run?

What is the primary purpose of testing an engine following component rectification or replacement?

Where are engine runs typically performed?

What is the main objective of fault detection and rectification engine runs?

Why are performance monitoring engine runs undertaken?

At what intervals are performance monitoring engine runs typically undertaken?

What is the main purpose of an engine run after major component replacement?

What must be done to ensure that engines or propellers meet specified performance criteria after major component replacement?

Who is responsible for ensuring that checklists clearly identify engine operating procedures and limitations?

What complements and/or builds on the information contained in eAMMM 7001.059 regarding aircraft engine operations?

What is the best way to ensure gas turbine engine operations are conducted correctly?

Who can authorize maintenance personnel to carry out engine runs according to Unit Standing Instructions (SIs)?

What must be done before maintenance personnel can be authorized to carry out engine runs according to Unit Standing Instructions (SIs)?

What is the purpose of engine replacement runs?

Why are pre-removal runs conducted before fitting an engine to an aircraft?

What is a primary consideration for repair venues when they receive engine condition data?

Why is it recommended to use external power sources for aircraft systems?

What determines whether an aircraft auxiliary power unit provides electrical and pneumatic power?

What distinguishes operating an aircraft engine from using an externally connected ground support equipment (GSE)?

What is a typical activity that should be performed during the preparation for an engine run start-up procedure?

During engine start safety brief, what is NOT a responsibility that should be included?

What information does the control tower normally require before granting start and ground run clearance?

What is a key aspect of the engine pre-start checklists?

What is the main purpose of contacting the control tower before starting the engine?

What is the role of eAMMM 7001.059 in the ground operation of aircraft engines and APUs?

Why is following Unit Standing Instructions (SIs) important before carrying out engine runs?

Who has the responsibility for ensuring that checklists clearly identify engine operating procedures and limitations?

What must be met before maintenance personnel can be authorized to conduct engine runs according to Unit Standing Instructions (SIs)?

What are the primary components to be covered during the ground running of gas turbine engines?

What should be considered when organising the location, resource, and personnel requirements for an engine run?

Why is it important to position the aircraft into the wind at the engine run-up area?

What equipment should be placed off to the side of the aircraft at the engine run-up area?

What must the engine run operator ensure before performing an engine run?

What is the primary reason to position the ground power unit correctly at the engine run-up area?

Why is it necessary to have appropriate wheel chocks or restraints fitted when positioning the aircraft in the wind?

Which danger area may present extreme danger from the strobe effect of anti-collision lights in propeller-driven aircraft during night-time operation?

Why are ADF maintenance personnel generally not authorized to perform engine runs on rotary-wing aircraft?

What is the reason some exceptions exist for specific helicopter types regarding ADF maintenance personnel performing engine runs?

Where does the extreme danger primarily come from with the strobe effect of anti-collision lights in propeller-driven aircraft?

What unique hazards do helicopters present regardless of the operator?

Why are ADF maintenance personnel often not allowed to perform engine runs on rotary wing aircraft?

What produces lift to hold a main rotor assembly in its normal plane of rotation?

In what conditions can it be difficult to determine if a tail rotor is operating?

What can happen if a helicopter using skid landing gear skids unexpectedly around the main rotor axis?

What danger area of a helicopter involves sustained suction that can ingest maintenance equipment and personnel?

Why must caution be exercised when moving around helicopters during start-up and shut down?

What spinning component on a helicopter can operate at higher speeds than the main rotor?

Why should the distance to buildings be considered even if they are outside the jet efflux danger zone?

What is the purpose of blast deflectors around aircraft engine run facilities?

Why does the danger area around aircraft increase dramatically once engines are started?

How do blast deflectors and other structures assist in engine run safety?

What effect can the suction from the engine intake have on personnel near the aircraft?

Why is positioning the aircraft engine into the wind important at the engine run-up area?

What should be considered when organizing the location, resource, and personnel requirements for an engine run?

Why is it important to position the aircraft into the wind at the engine run-up area?

What is essential to ensure before performing an engine run?

What should be placed off to the side of the aircraft during an engine run?

Why is it important to consider local flying programs when organizing an engine run?

What is a key consideration when determining the resource requirements for an engine run?

What role do General considerations play in selecting an aircraft run-up location?

How do operational and environmental factors influence aircraft positioning for an engine run?