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T-6 Pilot > T-6 Systems GK (incomplete) > Flashcards

T-6 Systems GK (incomplete) Flashcards

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Charter Pilot (Part 135) - Oral flashcards
1
Q

With the gust lock engaged, what position should the control surfaces be in?

A

“The gust lock locks the aileron and rudder surfaces in the neutral position and the elevator in a nose-down configuration when the aircraft is parked.”

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2
Q

What are the primary flight controls?

A

Elevator
Ailerons
Rudder

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3
Q

What are the secondary flight controls?

A

Elevator Trim
Aileron Trim
Rudder Trim
Trim Aid Device (TAD)

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4
Q

What does the main hydraulic system power?

A

Landing Gear
Main Gear Doors
Flaps
Speed Brake
Nosewheel Steering

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5
Q

What are your primary flight instruments?

A

Electronic Attitude Director Indicator (EADI) Electronic Horizontal Situation Indicator (EHSI) Airspeed indicator
Altimeter
Vertical Speed Indicator (VSI)

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6
Q

What are your standby flight instruments?

A
  • Airspeed indicator
  • Attitude indicator
  • Altimeter
    *Turn and bank indicator
  • Magnetic compass
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7
Q

Which control surface controls aircraft movement around the pitch axis?

A

Elevator

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8
Q

The Trim Aid Device (TAD) assists trimming for which control surface during airspeed and power changes?

A

The TAD senses torque, altitude, airspeed, and pitch rate and computes a desired rudder trim tab position.

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9
Q

True or False? Engine exhaust augments the thrust of the propeller.

A

True. Exhaust gases are ejected rearward providing thrust which augments that produced by the propeller.

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10
Q

Primary aircraft electrical power is provided by which component of the electrical system?

A

The generator function of the starter/generator.

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11
Q

Tuning for each of the communications and navigation radios and the transponder is provided by which component?

A

RMU

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12
Q

True or False? The VHF navigation system provides VOR, ILS, localizer, and GPS capability.

A

False. The VHF system provides VOR, ILS, localizer, and glideslope capability.

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13
Q

Primary navigation display is provided by which component of the Electronic Flight Instrument System (EFIS)?

A

Electronic Horizontal Situation Indicator (EHSI)

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14
Q

Which standby flight instruments will operate without electrical power?

A

The standby altimeter, airspeed indicator, the ball in the turn and bank indicator, and the magnetic compass

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15
Q

True or False? The entire canopy structure is engineered to be protected from birdstrikes.

A

False. Only the windscreen and front canopy transparency are protected.

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16
Q

Landing gear extension and retraction is operated by which aircraft system?

A

Hydraulic

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17
Q

Movement around the roll axis is controlled by which primary control surface(s)?

A

Ailerons

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18
Q

What component of the ejection seat provides sufficient altitude for parachute deployment?

A

Rocket motor

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19
Q

True or False? The magnetic compass is one of the primary flight instruments.

A

False. The magnetic compass is a standby flight instrument.

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20
Q

Secondary aircraft electrical power is provided by what component?

A

24 volt battery

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21
Q

Which aircraft system provides automatic temperature and pressure control?

A

Environment control system

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22
Q

Control of the transponder is provided by which component?

A

Radio Management Unit (RMU)

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23
Q

True or False? The canopy is hinged at the rear and opens up.

A

False. The canopy is hinged along the right side and opens to that side.

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24
Q

Which primary instrument provides primary attitude display?

A

Electronic Attitude Director Indicator (EADI)

25
Q

In the event of inadvertent aircraft contact with the ground, which component will be activated and generate a radio signal?

A

The Emergency Locator Transmitter (ELT) senses impact loads and generates a signal on 121.5 and 406 MHz.

26
Q

How is clean air fed into the engine?

A

The engine cowling supplies the engine with essential airflow. Air enters the cowling through an opening in the front just below the nose piece. This air is passed through the inertial separator prior to reaching the engine. The inertial separator causes the air molecules to turn 90° to the engine compartment. Heavier particles, such as water or debris, are not able to make the turn and are returned to the atmosphere through a bypass duct.

27
Q

What type of engine does the T-6 have?

A

The T-6A is equipped with a Pratt & Whitney PT6A-68 free turbine, reverse flow design, turboprop engine.

28
Q

What does it mean to have a Pratt & Whitney PT6A-68 free turbine, reverse flow design, turboprop engine?

A

-Free turbine refers to the fact that the compressor and power turbines are not physically connected.
-Reverse flow design refers to the flow of air through the engine. Air enters the engine at the rear and moves forward during the combustion cycle

29
Q

There are three elements necessary for engine operation. These elements are:

A

Air Fuel Heat

30
Q

The two major sections that make up the engine are the:

A

-Gas generation section
-Power turbine section
-There is also an important area aft of the gas generator section commonly referred to as the accessory compartment

31
Q

Some of the systems in the accessory compartment are the:

A

Accessory gearbox
Oil tank
Starter/generator
Battery

32
Q

Most of the components in the accessory compartment are not primary components of engine operation. What is the exception?

A

The exception is the starter.

33
Q

Which components are located in the Gas Generation Section?

A

Compressor inlet
Compressor
Combustion chamber
Compressor turbine

34
Q

Which components are located in the Power Turbine Section?

A

Power turbines
Exhaust case
Reduction gearbox
Propeller shaft

35
Q

The engine exhaust system consists of the following components:

A

Exhaust ports
Exhaust stacks

36
Q

Describe the ignition system

A

The ignition system consists of an ignition exciter, two high voltage igniter cables, and two spark igniters (Figure 3-9). The ignition exciter is mounted on the airframe. An igniter cable runs from the exciter to each spark igniter. The spark igniters are located at the 4 and 9 o’clock positions (when standing in front of the aircraft) around the combustion chamber.

37
Q

What does the ignition exciter do?

A

It receives a low voltage input signal and converts it to a high voltage output signal which is sent to the igniters.

38
Q

How are the front and rear PCLs connected?

A

The front and rear PCLs are interconnected with a push-pull rod. As one PCL moves, the other follows. This provides identical control of the propulsion system from either cockpit.

39
Q

What is the PCL connected to that reacts to PCL movements?

A

The front PCL is connected to the Fuel Management Unit (FMU) mechanically by a flexible cable. It is also connected electrically to the FMU. PCL movement physically moves the input lever on the side of the FMU. This fuel request displaces a cam in the FMU which releases the requested amount of fuel.

40
Q

What is the PMU?

A

The PMU (Power Management Unit) is a computer unit located underneath the engine in the accessory compartment.
The PMU processes power requests from the PCL and keeps the engine and propeller within operating limits.
In addition, the PMU determines available power and provides a near linear power response between the PCL IDLE and MAX positions.

41
Q

What is this?

A

The PMU

42
Q

How do the PCL, PMU, and FMU work together to provide thrust?

A

the PCL is mechanically connected to the FMU by a flexible cable and electrically connected to the FMU by way of the PMU. Moving the PCL forward provides a physical input to the FMU via the flexible cable, releasing a nominal amount of fuel from the FMU. An electronic signal is transmitted to the PMU which fine tunes the power request and sends a signal to the FMU. The combination of these inputs produces a near linear power response.

43
Q

How does the power response to PCL movement change when the PMU is not functioning?

A

With the PMU switch in the OFF position, or if the PMU fails, all systems limitations must be monitored manually. In addition, fuel delivery is maintained solely through the mechanical connection between the PCL and FMU. A step change in engine power is likely if the PMU fails or is turned off in flight.

44
Q

What does an amber PMU STATUS annunciator in flight indicate?

A

A PMU STATUS light in flight indicates a fault in either of, or a mismatch between the weight- on-wheels switches, alerting the pilot that the PMU will not revert to the ground mode upon landing.

45
Q

What does an amber PMU STATUS annunciator after landing indicate?

A

An amber PMU STATUS annunciator illuminates after landing so that maintenance may be alerted that the PMU has accommodated a fault.

46
Q

What does a red PMU FAIL annunciator indicate?

A

This annunciator illuminates anytime the PMU is nonfunctional.

47
Q

What is the primary power source for the PMU?

A

The primary power source for the PMU comes from the Permanent Magnet Alternator (PMA).

48
Q

Where is the PMA?

A

The PMA is mounted on the reduction gearbox.

49
Q

How much power does the PMA provide to the PMU?

A

The PMA provides 32 VAC, which the PMU converts to DC.

50
Q

If the PMA fails, power is provided through…?

A

…the 28 VDC battery bus.

51
Q

Which electrical bus powers the PMU backup power?

A

The PMU backup power circuit breaker is labeled PMU, and is located on the battery bus circuit breaker panel in the front cockpit.

52
Q

Where is the starter generator?

A

Attached to the accessory gearbox

53
Q

What is this?

A

The starter generator

54
Q

How much power does the generator generate?

A

The generator provides 28 VDC power, which powers many of the aircraft systems and charges the battery and the auxiliary battery to 24 VDC.

55
Q

How much power does the main battery hold? (fully charged)

A

The generator provides 28 VDC power, which powers many of the aircraft systems and charges the battery and the auxiliary battery to 24 VDC.

56
Q

How much power does the auxiliary battery hold? (fully charged)

A

The generator provides 28 VDC power, which powers many of the aircraft systems and charges the battery and the auxiliary battery to 24 VDC.

57
Q

What electrical bus powers the starter?

A

Power for the starter is provided through a circuit breaker labeled START located on the battery bus circuit breaker panel in the front cockpit.

58
Q

The oil system provides a steady flow of filtered oil to the:

A

-engine bearings
-reduction gears
-accessory drives
-propeller.

T-6 Pilot (29 decks)

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