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G550 Recurrent Knowledge Cards > Powerplant > Flashcards

Powerplant Flashcards

1
Q

Max Tailwind/X-Wind for Engine Start

A

20 Kts / 30 Kts

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2
Q

How many ignitors are used for Normal Eng Start?

A

1

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3
Q

What are the FADEC Power sources during Eng Start prior to using its own generator? When does the FADEC generator pick up the load?

A

Channel A - L ESS DC
Channel B - R ESS DC

35% HP

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4
Q

Why would FADEC perform a soft reversion?

A

A failure which prevents continued operation in EPR mode. Soft reversion to the Alternate (LP) mode AMBER ALT

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5
Q

When is LO idle and HI idle active?

A

LO - Flaps < 22°

HI - FLaps > 22°

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6
Q

Can the pilot use autothrottles in ALT control?

A

No

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7
Q

What are 4 ways to open the Bleed Air Isolation Valve?

A
  1. Start Master ON
  2. Crank Master ON
  3. APU Bleed Air ON
  4. Manually selected
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8
Q

After engine start, the eng temp scale switches from…

A

800°C to 1000°C

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9
Q

Engine starter duty cycle

A

3 start attempts, separated by 15 seconds, followed by 15-minute cool down

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10
Q

Which AC Pack shuts off pressing Start or Crank Master?

A

Right Pack

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11
Q

What does “Start Switch Configuration” CAS mean?

A

Both START and CRANK masters are depressed

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12
Q

What two systems are required to unlock the T/R?

A

Electrical / Hydraulic

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13
Q

The preferred Engine Airstart procedure and limitations are

A

AIRSTART Automatic and at or below 25,000’

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14
Q

When do Auto Throttles retard?

A

50’ RA

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15
Q

Where can you see the standby engine instruments?

A

MCDU 1 / MENU

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16
Q

Max reverse thrust time

A

30 seconds

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17
Q

FADEC keeps the engine at high idle for _____ seconds on landing to facilitate the use of TR on touchdown

A

5 seconds

18
Q

If “LTD” is displayed and fault shows and “EEC/P30” fault, this should be considered a:

A

No dispatch condition

19
Q

The FADEC will automatically accelerate the engine to high idle speed when:

A

Flaps > 22°
WOW in Air mode
Wheel speed less than 53 kts

20
Q

In the event a thrust reverser deploys in flight, what will occur?

A

FADEC commands idle fuel flow, but the power lever remains in its last position

21
Q

What is the minimum bleed air pressure indication prior to engine start?

A

40 PSI

22
Q

Will an engine start if the power lever is not at idle?

A

Yes, an amber “L-R THROTTLE CONFIGURATION” CAS will illuminate and the engine will accelerate to the thrust setting of the power lever

23
Q

How is the FADEC reset and the AUTOSTART ABORT message cancelled

A

By selecting the START MASTER switch to OFF, or selecting the L/R FUEL CONTROL to OFF

24
Q

What are the indications if the FADEC detects an anomaly during start?

A

Start aborted

Amber “AUTOSTART ABORT” CAS

25
Q

When should a TGT split between engines be reported to maintenance?

A

If the spit is equal to or greater than 65°C

26
Q

In a tailwind condition, why is it necessary to verify positive LP RPM rotation prior to selecting fuel switch to RUN?

A

The FADEC can only sense LP RPM, not the direction of the rotation. Negative rotation could produce a HOT start

27
Q

What would you expect to see when you conduct the Engine Vibration Monitor Test?

A

Amber “Engine Exceedance”

Amber EVM indication ramped up between 1.8 - 2.2

28
Q

What is the normal power source of the FADEC and when does it automatically come ON?

A

It has its own dedicated generator that comes ON above 35% HP

29
Q

What is the LP RPM that is to be avoided on the ground?

A

66 - 80%LP

Acceleration thru this band must not exceed 10 seconds

30
Q

What ways can the engine be started in the air?

A

Windmill
Automatic
Starter Assist

31
Q

Is it permissible to dispatch in LP Control Mode?

A

No - Prohibited

32
Q

How long should the engines be run at idle or taxi power prior to takeoff?

A

5 minutes

33
Q

When attempting an in-flight engine restart using the ‘Air Start-Automatic” QRH procedure and APU bleed air, what is the maximum altitude this procedure can be accomplished?

A

30,000’ MSL

34
Q

When doing a normal ground engine start, what position do the bleed air switches need to be in?

A

May by OFF or ON

35
Q

If peak EVM values exceed the alert level during engine start, what action must be performed?

A

Normally, no action is required, this condition is usually normal.

36
Q

What is the RPM limitation for crosswind takeoffs

A

LP RPM below 66% until reaching a forward speed of 20 knots, then a jam acceleration. Add 600’ to take off runway distances.

37
Q

Max TGT for Ground Start

A

700° C

38
Q

Max TGT for Airstart

A

850°C

39
Q

Max overtemp and time limit

A

905° C. For 20 seconds

40
Q

Max T/R RPM and time limit

A

70% for 30 seconds

G550 Recurrent Knowledge Cards (17 decks)

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