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G550 Daily Questions > Powerplant > Flashcards

Powerplant Flashcards

1
Q

The engine tailwind start limit is:

A

20 knots

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2
Q

How many ignitors are used for normal engine ground start?

A

One (1)

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3
Q

How many ignitors are used with the Continuous Engine Switch?

A

Two (2)

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4
Q

What does FADEC stand for?

A

Full Authority Digital Electronic Engine Control

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5
Q

FADEC has how many power channels?

A

2 (Channel A and Channel B)

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6
Q

What are the FADEC power sources during engine start prior to it using its own generator at 35% RPM?

A

Channel A - L ESS

Channel B - R ESS

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7
Q

The FADEC is powered by:

A

A dedicated generator on the accessory gear box.

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8
Q

How many FADEC channels per engine?

A

Two (2): A/B

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9
Q

If the FADEC detects an anomaly during start, the start will be:

A

Aborted

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10
Q

If FADEC detects a failure which prevents continued operation in the primary Engine Pressure Ratio (EPR) control mode, it will automatically perform a:

A

Soft reversion to the Alternate (LP) control mode (AMBER ALT)

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11
Q

Does the engine have different idle settings? If so, what are they?

A

Yes: LO/HI

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12
Q

When is LO idle and HI idle active?

A

LO idle - Flaps < 22 degrees

HI idle - Flaps > 22 degrees

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13
Q

What is the Continuous Ignition Limitation?

A

There is no limitation

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14
Q

The time limit for Maximum Continuous Power is:

A

Unrestricted

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15
Q

If an engine reverts to LP control, what indications will be in view? What procedure must be performed in this situation?

A
  • At first, ALT (amber) is displayed. This is a SOFT reversion.
  • You must change both engines to BLUE ALT control. This is a HARD reversion.
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16
Q

Can you use Autothrottles in ALT control?

A

No

17
Q

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

A
  • Start Master selected ON
  • Crank Master selected ON
  • APU Bleed Air switch selected ON
  • Manually select the Isolation Valve ON
18
Q

The Temperature Scale on the Engine Start Synoptic switches from what to what after engine start?

A

From 800 degrees to 1000 degrees temperature scale

19
Q

What is the basic function of the Crank Master Switch?

A

Motor Engine

20
Q

What is the Engine Starter Duty Cycle?

A
  • Three (3) attempts
  • Wait 15 seconds between start attempts
  • Wait 15 minutes after 3 start attempts
21
Q

Which AC pack shuts off automatically with the Master Crank or Master Start switch?

A

Right AC Pack

22
Q

Which AC pack shuts off automatically with the Individual Engine Start Switch?

A

Left AC Pack

23
Q

What does the “Start Switch Configuration” CAS message mean?

A

Both Crank and Start Master switches selected ON simultaneously.

24
Q

What does the “SAV Maintenance” CAS message mean?

A
  • Amber CAS message (QRH)

- Can occur if start is attempted without air source, or if start switch is not pressed for sufficient time

25
Q

What does “Throttle Configuration” CAS message mean?

A
  • Amber CAS message (QRH)

- Power lever is not at idle position prior to engine start

26
Q

What two (2) system sources are required to unlock the T/R?

A
  • Hydraulic

- Electric

27
Q

When you push the ENG START switch, what indications do you look for?

A

SVO ICON on Primary Engine Instruments and ENG START synoptic

28
Q

Fuel Control switch is selected ON, what indication do you look for?

A

IGN ICON on primary engine instruments

29
Q

The preferred Engine Airstart procedure and limitations are?

A

AIRSTART Automatic and at or below 25,000’

30
Q

When do the Autothrottles retard (RTD) on landing?

A

50 feet RA

31
Q

What does “L/R Throttle Configuration” CAS message indicate?

A
  • AMBER CAS message (QRH)

- Power lever is not at IDLE position during engine start

32
Q

Will the engine start with a “L/R Throttle Configuration” CAS message?

A

Yes, but it will accelerate to power lever setting immediately upon start

33
Q

How do you display STBY engine information?

A

MCDU 1 / MENU / STBY ENG

34
Q

The reversers should be at Idle Reverse by what speed?

A

60 knots

35
Q

MAXIMUM REVERSE time limit is:

A

30 seconds

36
Q

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

A

5 (five) seconds

37
Q

If an engine maintenance message “LTD” is present and is the cause of the fault is an EEC / P30 fault, this should be considered a:

A

No Dispatch Condition

G550 Daily Questions (17 decks)

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