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MEPT > Systems 1 > Flashcards

Systems 1 Flashcards

1
Q

What does the aircraft fire detection and suppression system do?

A

Looks for engine fire and engine overheat

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2
Q

How does the aircraft fire detection and suppression system work?

A

Each engine protected by single loop fire detector.

Loop is made of helium outer and inner hydrogen charged core.

Thermal changes expand the gasses. This process is reversible.

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3
Q

What is the fire extinguishant?

A

Halon. One bottle

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4
Q

How many collector tanks and how much do they hold each?

A

Two tanks.

100kg fuel each

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5
Q

Max fuel capacity?

A

1292kg

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6
Q

Usable fuel?

A

1272kg (636kg/tank)

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7
Q

Which bus bar powers the fuel pumps

A

Emergency bus bar.

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8
Q

When can you transfer fuel?

A

Straight, level and trimmed.

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9
Q

When will you get the low fuel pressure CAS message?

A

6 Psi or below.

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10
Q

FADEC

A

Full authority digital engine control.

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11
Q

At what N2 do the DC pumps turn off?

A

44%

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12
Q

What does each fuel tank incorporate?

A

Collector, surge and main tank.

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13
Q

Unusable fuel?

A

20kgs (10kgs/tank)

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14
Q

Max imbalance and associated weight CAS messages?

A

100kg max imbalance

CAS msg will remain until 60kg

40kg fuel equal message

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15
Q

At what weight will you get the fuel low warning?

A

90kg in either wing.

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16
Q

Which turbine drives the two compressors (Nx?)?

Which turbine drives the fan(Nx?)?

A

High pressure. Compressors are N2

Low pressure. Fan is N1

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17
Q

How many engine bearings?

A

Five. No.5 engine bearing has its own scavenge (return) pump. All others bearings drip back.

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18
Q

If the pilot turns off the engine what will be displayed?

If the FADEC has turned off the engine what will be displayed?

A

Pilot - ‘OFF’ Black and Cyan

FADEC - ‘Fail’ Black and yellow

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19
Q

Max time TOGA

A

5 minutes per sortie

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20
Q

Max time MAX

A

10 minutes per sortie

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21
Q

What does the TOGA button do?

A

Changes flight director. 9.5 degrees for T/O. 5 degrees for go around

22
Q

How do you shutdown an engine in flight?

A

Thrust levers idle. Then start/stop switch to stop.

23
Q

What does PMG stand for?

What does the PMG do?

A

Permanent magnetic generator. (Each gearbox from the engine has one).

Each PMG is the primary supplier to the FADEC once the engine is started.

24
Q

What does the FADEC protect the engine against?

A

Hung start (slow) - TOT hasn’t risen significantly in 15 seconds
Hot start
No light up - Time to reach idle exceeds 45 secs.

In flight the FADEC will ignore these protections

25
Q

Engine fire/overhear indication is displayed where?

A

ITT gauge

26
Q

ATR meaning

ATR colours

A

Automatic thrust reserve

Taxiing/low power - White
TOGA/high power - Green (armed, if eng fails, other eng will go to max)

27
Q

How is flight idle activated? (as opposed to ground idle)

A

Weight off wheels or approach idle not selected (flaps or wheels will select it)

28
Q

How many trim systems does the phenom have?

A

4 - Roll x1, Yaw x1, Pitch x2

29
Q

What does the quick disconnect button do?

A

Disables all trim and autopilot. Releasing will re-enable trim but autopilot will have to be manually re-engaged.

30
Q

What is TAC

A

Trim actuator control

31
Q

How many seconds can use the trim in one go?

A

3 seconds. Further 7 seconds relevant switch will become inop for remainder of flight and associated CAS message.

32
Q

Different flap positions (degrees and speed limitations)

A

0 - 0
1 - 10 - 200kts
2 - 26 - 160kts
3 - 26 - 160kts
Full - 36 - 145kts

33
Q

Max altitude for flaps?

A

15,000’. without yaw damper 12,000’

34
Q

Define, FSL, FSCU, FLA, FPSU

A

Flap selector lever (FSL)
Flap selector unit (FSCU)
Flap linear actuators (FLA)
Flap position sensor units (FPSU)

35
Q

When is it speed breaks and when are they spoilers?

A

Speed breaks - Pilot activated in flight
Spoilers - Automatically deployed on the ground

36
Q

Speed break angle

A

31.5 degrees

37
Q

On takeoff what audio can you expect to hear?

A

‘Takeoff ok’
Appropriate aural warning if incorrect config

38
Q

How often should the SWPS be tested?

A

Stall warning protection system. Every flight.

39
Q

Components of the SWPS

A

SWPS computer
Stick push actuator
Two AoA sensors
Pusher cut out
Test button

40
Q

When is the SWPS inhibited?

A

On the ground (except test)
Below 0.5g
Within 20 seconds of takeoff
Pusher cut-out pressed
Above 186kts
If at least 1 SWPS computer channel is inop

41
Q

List the Phenom’s SEQ

A

Liferaft
LSJ
ELT - 121.5, 243.0, 406.0
1st aid kit
Fire extinguisher
o2 masks, goggles
Smoke hood - Protective breathing equipment, 15 minutes

42
Q

What cabin altitude will the cabin oxygen masks deploy

A

14,700’ +- 300’

43
Q

How many latch and lock indicators in the door?

A

8 latch indicators
2 door lock indicators

44
Q

Give examples of active and passive icing protection sytems

A

Active - Increasing temp of local areas. (Bleed air from compressor stages)
– Chemically (ground deicing)

Passive - Using airstream (e.g. windows have no wipers and protective rainx)

45
Q

Define anti ice and de ice

A

Anti ice - Stop it from forming
De ice - Remove it after formation

46
Q

How are the phenom windshields heated?

A

4x heat mats. 2x per window

47
Q

EFCV

A

Ejector flow control valve (inbound and outbound air bags)

48
Q

Min temp for wing/stab ops
Minimum airspeed

A

-40c
150kts

49
Q

SAT
TAT

A

Specific air temperature (ground)
Total air temperature (airborne)

50
Q

What temp range will Eng 1+2 anti ice be on?

What temp range will WSHLD, ENG, WINGSTAB be on?

A

SAT or TAT 5-10c and visible moisture

Below 5c

MEPT (7 decks)

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