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?

    <p>Engine destruction, damaged aircraft, and endangered life</p> Signup and view all the answers

    During ground running, who can perform concurrent functional checks?

    <p>Avionics and ancillary personnel</p> Signup and view all the answers

    Why is ground running of gas turbine engines important?

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

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

    <p>To validate that the components meet specified performance criteria</p> Signup and view all the answers

    Who should carry out gas turbine engine operations?

    <p>Qualified and authorized personnel</p> Signup and view all the answers

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

    <p>eAMMM 7001.059</p> Signup and view all the answers

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

    <p>Operating procedures specific to the Squadron</p> Signup and view all the answers

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

    <p>The System Program Office (SPO)</p> Signup and view all the answers

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

    <p>Checking the aircraft maintenance documentation</p> Signup and view all the answers

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

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

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

    <p>If the faulty component is not activated during the run</p> Signup and view all the answers

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

    <p>Existing fuel load stated in the aircraft documentation</p> Signup and view all the answers

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

    <p>To perform coordinated maintenance tasks</p> Signup and view all the answers

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

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

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

    <p>To confirm the engine performs to specifications</p> Signup and view all the answers

    Where are engine runs typically performed?

    <p>In an engine test cell</p> Signup and view all the answers

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

    <p>To assist in diagnosing a reported fault</p> Signup and view all the answers

    Why are performance monitoring engine runs undertaken?

    <p>To confirm the power output or condition of an engine</p> Signup and view all the answers

    At what intervals are performance monitoring engine runs typically undertaken?

    <p>At prescribed intervals by maintenance publications</p> Signup and view all the answers

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

    <p>To confirm the rectification carried out</p> Signup and view all the answers

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

    <p>Run through a full range of operations</p> Signup and view all the answers

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

    <p>System Program Office (SPO)</p> Signup and view all the answers

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

    <p>Unit Standing Instructions (SIs)</p> Signup and view all the answers

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

    <p>In accordance with applicable aircraft technical publications</p> Signup and view all the answers

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

    <p>Unit Standing Instructions (SIs)</p> 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)?

    <p>Meet specific requirements detailed in the SIs</p> Signup and view all the answers

    What is the purpose of engine replacement runs?

    <p>To confirm engine serviceability before installation</p> Signup and view all the answers

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

    <p>To establish reference parameters before removal</p> Signup and view all the answers

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

    <p>Analyzing engine performance data</p> Signup and view all the answers

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

    <p>To increase power supply reliability</p> Signup and view all the answers

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

    <p>The aircraft's power supply needs</p> Signup and view all the answers

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

    <p>Cost effectiveness</p> 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?

    <p>Perform relevant cockpit entry checklists</p> Signup and view all the answers

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

    <p>Crew personal schedule arrangements</p> Signup and view all the answers

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

    <p>Aircraft type, tail number, and location</p> Signup and view all the answers

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

    <p>Inspecting the engine components prior to start</p> Signup and view all the answers

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

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

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

    <p>Prescribes responsibilities and procedures for engine runs</p> Signup and view all the answers

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

    <p>To detail the operating procedures and requirements</p> Signup and view all the answers

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

    <p>System Program Office (SPO)</p> 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)?

    <p>Recertification requirements</p> Signup and view all the answers

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

    <p>Full range operations and performance monitoring</p> Signup and view all the answers

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

    <p>Local flying program</p> Signup and view all the answers

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

    <p>To assist with cooling during engine run-up</p> Signup and view all the answers

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

    <p>Any unnecessary equipment</p> Signup and view all the answers

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

    <p>A pre-start walk-around has been completed</p> Signup and view all the answers

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

    <p>To ensure the aircraft has power during the engine run</p> 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?

    <p>To ensure the aircraft stays in place</p> 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?

    <p>Engine's turbine plane of rotation</p> Signup and view all the answers

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

    <p>Risk of aircraft lift-off</p> Signup and view all the answers

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

    <p>Isolation of power-trains from the engine</p> 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?

    <p>Engine's turbine</p> Signup and view all the answers

    What unique hazards do helicopters present regardless of the operator?

    <p>Risk of aircraft lift-off</p> Signup and view all the answers

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

    <p>Risk of aircraft lift-off</p> Signup and view all the answers

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

    <p>Centrifugal force</p> Signup and view all the answers

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

    <p>Night or with a strobe light operating nearby</p> Signup and view all the answers

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

    <p>Tail rotor plane of rotation advancement</p> Signup and view all the answers

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

    <p>Engine intake</p> Signup and view all the answers

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

    <p>To reduce risk of main rotor disc droop</p> Signup and view all the answers

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

    <p>Tail rotor</p> Signup and view all the answers

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

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

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

    <p>To alter the direction of jet thrust and protect personnel.</p> Signup and view all the answers

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

    <p>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.</p> Signup and view all the answers

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

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

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

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

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

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

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

    <p>Power settings, run duration, and wind and weather conditions</p> Signup and view all the answers

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

    <p>To reduce the risk of the aircraft jumping the chocks</p> Signup and view all the answers

    What is essential to ensure before performing an engine run?

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

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

    <p>Unnecessary equipment</p> Signup and view all the answers

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

    <p>To ensure local air traffic is not disrupted</p> Signup and view all the answers

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

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

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

    <p>Prescribing areas and limitations on aircraft ground running</p> Signup and view all the answers

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

    <p>Defining the areas where an aircraft can be positioned</p> Signup and view all the answers

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

    <p>They create difficulties with limited maneuvering space</p> Signup and view all the answers

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

    <p>Affecting the selection of the aircraft run-up location</p> Signup and view all the answers

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

    <p>To understand the engine's capabilities and limitations</p> Signup and view all the answers

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

    <p>Determining the areas where aircraft can be positioned for engine runs</p> 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?

    <p>Applying sunscreen</p> Signup and view all the answers

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

    <p>To prevent engine stall during the run</p> Signup and view all the answers

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

    <p>The type of engine being used</p> Signup and view all the answers

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

    <p>When performing maintenance activities</p> Signup and view all the answers

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

    <p>To ensure the safety of personnel</p> Signup and view all the answers

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

    <p>Confirming they are wearing appropriate PPE</p> Signup and view all the answers

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

    <p>Turbine gas temperature limits</p> Signup and view all the answers

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

    <p>Oil pressure limits</p> Signup and view all the answers

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

    <p>Engine parameters</p> Signup and view all the answers

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

    <p>Turbine gas temperature</p> Signup and view all the answers

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

    <p>Have the power lead removed</p> Signup and view all the answers

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

    <p>Minimum and maximum torque</p> Signup and view all the answers

    What may engine operating limits include?

    <p>Minimum and maximum ambient air temperatures</p> Signup and view all the answers

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

    <p>To enable immediate corrective action if necessary</p> Signup and view all the answers

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

    <p>Immediate corrective action</p> Signup and view all the answers

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

    <p>Persistent starts in area B</p> Signup and view all the answers

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

    <p>By facilitating easier communication within the noise environment</p> Signup and view all the answers

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

    <p>Ensuring safe engine starting and continuous operation</p> Signup and view all the answers

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

    <p>Respond quickly and effectively</p> Signup and view all the answers

    What is the importance of understanding turbine temperature limits?

    <p>To establish limits for engine operation</p> Signup and view all the answers

    What is the Engine Running Unit Standing Instructions responsible for?

    <p>Authorising engine run procedures</p> Signup and view all the answers

    What is an engine run broken into?

    <p>Preparation, engine running and tidy up</p> Signup and view all the answers

    What is this workbook not intended to be?

    <p>The authority to perform engine ground runs</p> 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?

    <p>To make sure the engines meet specified performance criteria</p> Signup and view all the answers

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

    <p>System Program Office (SPO) for the aircraft type</p> Signup and view all the answers

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

    <p>General considerations</p> Signup and view all the answers

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

    <p>Ensuring engine safety and performance</p> Signup and view all the answers

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

    <p>System Program Office (SPO) for the aircraft type</p> Signup and view all the answers

    What is the primary purpose of engine replacement runs?

    <p>To confirm that the engine performs to specifications</p> Signup and view all the answers

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

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

    What is the purpose of pre-removal runs?

    <p>To confirm serviceability of the engine</p> Signup and view all the answers

    What is recorded during engine replacement runs?

    <p>Engine condition, performance and the presence of leaks</p> Signup and view all the answers

    What is the benefit of performing engine replacement runs?

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

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

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

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

    <p>Positioning the aircraft into the wind, if possible</p> Signup and view all the answers

    What must be completed before performing an engine run?

    <p>Pre-start walk-around</p> Signup and view all the answers

    What is a consideration when organizing an engine run?

    <p>Local flying programs</p> Signup and view all the answers

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

    <p>Minimum number of personnel required</p> Signup and view all the answers

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

    <p>Unnecessary equipment</p> Signup and view all the answers

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

    <p>Personnel and resource requirements</p> Signup and view all the answers

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