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MEPT Groundschool > Air Systems 1 > Flashcards

Air Systems 1 Flashcards

1
Q

What are the Primary Flying Controls?

A

Elevators, ailerons, and rudder.

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2
Q

How are the Primary Flying Controls connected?

A

Via cables, pulleys, torque tubes, bell-cranks and push-pull rods.

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3
Q

What are the Secondary Flying Controls?

A

Trims, flaps, and spoilers.

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4
Q

How are the trims and flaps controlled and actuated?

A

Electronically.

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5
Q

How are the spoilers controlled and actuated?

A

Controlled electronically, actuated hydraulically.

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6
Q

Which pitch trim does the autopilot utilise?

A

The normal pitch trim. The LHS is the master and RHS slave.

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7
Q

What is the limiting speed for Flaps 1?

A

200 KIAS

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8
Q

What is the limiting speed for Flaps 2?

A

160 KIAS

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9
Q

What is the limiting speed for Flaps 3?

A

160 KIAS

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10
Q

What is the limiting speed for Flaps FULL?

A

145 KIAS

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11
Q

Trim Actuation Controller (TAC) 1 controls and actuates which trims?

A

Normal pitch trim and aileron trim.

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12
Q

Trim Actuation Controller (TAC) 2 controls and actuates which trims?

A

Back-up pitch trim and rudder trim.

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13
Q

How are the two pitch trim actuators connected?

A

Via an interconnecting flex shaft.

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14
Q

How does the aircraft IAS influence the rate of movement for each trim?

A

Normal pitch trim is speed sensitive, all other trims (including back-up pitch trim) are fixed rate of movement.

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15
Q

28 V DC Bus 2 is connected to which trim(s)?

A

Normal pitch trim.

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16
Q

28 V DC Bus 1 is connected to which trim(s)?

A

Rudder trim and aileron trim.

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17
Q

28 V DC Emergency Bus is connected to which trim(s)?

A

Back-up pitch trim.

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18
Q

Stalling and deep stalling high-tail aircraft lose elevator authority and develop what?

A

An uncontrolled pitch up, high rate of descent, and high Angle of Attack. Elevators become blanked by the stalled airflow from the wings.

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19
Q

Flap actuation: ………. signals the ………. which activates the 2x ………. to drive the flaps to the selected position.

A

Flap actuation: FSL signals the FSCU which activates the 2x FLA to drive the flaps to the selected position.

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20
Q

What is the Max Fuel Weight?

A

1292.8 kg

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21
Q

Fuel is not to be transferred from one wing to another when fuel quantity reaches ………. for single engine condition and ………. for dual engine condition.

A

Fuel is not to be transferred from one wing to another when fuel quantity reaches 140 kg (174 litres) for single engine condition and 165 kg (205 litres) for dual engine condition.

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22
Q

What is the max fuel imbalance?

A

100 kg

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23
Q

Under what conditions will these CAS messages appear?

A

If the fuel in the corresponding tank goes below 90 kg.

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24
Q

At what point will this caption extinguish?

A

When the imbalance is < 60 kg

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25
Q

After a FUEL IMBALANCE CAS message, at what point will the fuel equal caption appear?

A

When the fuel imbalance is < 40 kg

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26
Q

How much unusable fuel is carried?

A

20 kg

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27
Q

At what PSI does the mechanical fuel bypass indicator trigger?

A

16 ± 2 PSI

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28
Q

At what PSI will this CAS message appear?

A

8 ± 2 PSI

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29
Q

If filling one fuel tank, how much can it be filled by?

A

60%

30
Q

At what % N2 will the FADEC switch off the DC pump and begin to control the fuel system?

A

44% N2

31
Q

What does this mean on the MFD Engine Indication System (EIS)?

A

The Automatic Thrust Reserve is armed.

32
Q

What does this mean on the MFD Engine Indication System (EIS)?

A

The Automatic Thrust Reserve is enabled.

33
Q

How is the FADEC powered under normal operation?

A

28 V DC source.

**FOR EXAM ONLY**

PMA

(Permanent Magnetic Alternator)

34
Q

How many channels does the FADEC have?

A

2 channels, A & B.

35
Q

Under what conditions will the FADEC use one channel to start the engines?

A

Under normal procedures.

36
Q

Under what conditions will the FADEC use both channels to start the engines?

A

When attempting an airborne relight or on the ground below 0ºC.

37
Q

Which channel in both FADECs is connected to the Emergency Bus?

A

Channel A.

38
Q

What does this indicate on the N1 gauge?

A

A pilot induced engine shutdown.

39
Q

What does this indicate on the N1 gauge?

A

A FADEC induced engine shutdown.

40
Q

What engines does the Phenom operate?

A

Two Pratt & Whitney Canada PW617F-E, driven by an LP turbine.

41
Q

The mixed flow axial and centrifugal compressors are driven by what?

A

An HP turbine.

42
Q

What thrust setting will be generated by the engines with the Thrust Lever in-between two indentations (e.g. between CON/CLB and TO/GA)?

A

An intermediate thrust setting (i.e. the thrust is continuous).

43
Q

What is the maximum permitted time with the Thrust Levers at MAX?

A

10 minutes, this is an emergency thrust setting.

44
Q

What is the maximum permitted time with the Thrust Levers at TO/GA?

A

5 minutes.

45
Q

No. 5 engine bearing has its own what?

A

Oil scavenger pump.

46
Q

What will happen if the ENG START/STOP dial is moved from RUN to OFF with the Thrust Lever out of IDLE?

A

The FADEC will disregard the instruction.

47
Q

What happens to generate this CAS message?

A

The transducer in the Engine Anti-Icing System has detected a pressure of ≤ 25 PSI.

48
Q

The windshield anti-icing system consists of:

A
  • 4 independent subsystems (2 for each windshield) of gold heating mats;
  • 2 Window Heater Control Units (WHCU).
49
Q

What is the windshield rain protection?

A

A wiperless system of Rain Repellent Coating.

50
Q

In what mode will the Engine Anti-Icing fail?

A

ON

51
Q

If the WINGSTAB switch is left ON, what will the airframe anti-icing do?

A

Horizontal stabiliser (6 sec) ⇢ Outboard wing (6 sec) ⇢ Inboard wing (6 sec) ⇢ All deflated (42 sec).

52
Q

If the WINGSTAB switch set to ON, then OFF, what will the airframe anti-icing do?

A

Horizontal stabiliser (6 sec) ⇢ Outboard wing (6 sec) ⇢ Inboard wing (6 sec) ⇢ All deflated (6 sec).

53
Q

If the SAT is between 5º C and 10º C with visible moisture, which anti-icing measures should be on?

A

Engine Anti-Icing.

54
Q

If the SAT is below 5º C with visible moisture, which anti-icing measures should be on?

A

Engine Anti-Icing, windshield anti-icing, and WINGSTAB.

55
Q

For how long can any trim input be maintained?

A

3 sec

56
Q

After how many seconds with an invalid trim input will you hear this CAS message?

A

3 sec

57
Q

After how many seconds with an invalid trim input will you see this CAS message, and what does it mean?

A

7 sec, corresponding yoke trim will be inoperative until the the next aircraft power-up.

58
Q

Under what conditions is the Stick Pusher Actuator inhibited?

A
  • On the ground (except during test);
  • > 186 KIAS;
  • Below 0.5 g;
  • Within 20s of T/O;
  • If the Pusher Cut-Out is pressed in (PUSHER OFF caption);
  • If at least 1 SWPS channel is inoperative (SWPS FAULT caption).
59
Q

What does this represent on the ASI?

A

The green circle is displayed at 1.3 VSTALL when airborne below 18000ft and the SWPS is functioning correctly. The yellow band of the LSA zone begins 3 KIAS above the red band.

60
Q

When the IAS is in the RED Low Speed Advisory (LSA) band, what aural warning is heard?

A

“STALL STALL”

61
Q

When do the spoilers automatically retract?

A
  • 30 sec after touchdown;
  • After 4º of flap has been deployed;
  • When the Thrust Levers are moved out of IDLE.
62
Q

What does the Stall Warning Protection System (SWPS) consist of?

A
  • 1x computer with 2 channels;
  • 2x AoA sensor;
  • 1x Stick Pusher Actuator (SPA)
63
Q

How many fire extinguishers are on board the aircraft and where are they located?

A
  • 1x Engine fire extinguisher, behind the rear bulkhead;
  • 1x Halon cockpit fire extinguisher, behind the co-pilot seat.
64
Q

What two gases are used in the fire wire looped around each engine?

A
  1. Helium - averaging (211º C)
  2. Hydrogen - discrete (565º C)
65
Q

How is an engine fire displayed in the cockpit?

A

FIRE on the corresponding engine ITT ºC, a red light on SHUTOFF button, a CAS message, and audio warning “FIRE FIRE”.

66
Q

At what pressure will this caption display and the FADECs command the DC Fuel Pumps to run?

A

6 PSI

67
Q

When should the Stall Warning Protection System (SWPS) be tested?

A

Before every flight.

68
Q

Which pitch trim does the Auto Pilot utilise for Auto Trim?

A

The Normal Pitch Trim.

69
Q

What happens upon pressing the yoke trim Quick Disconnect button?

A

The trim and autopilot will disengage. The trim will re-engage after the button is released, but the autopilot will remain disconnected until reset.

70
Q

What are the fuel temperature limitations?

A
  1. -37º C to 50º C on the ground;
  2. 80º C in the air.
71
Q

What is N1?

A

The engine fan speed.

72
Q

What is N2?

A

The engine core speed.

MEPT Groundschool (6 decks)

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