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USAPAT Study > G550 Powerplant > Flashcards

G550 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 Ignition 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 its using its own generator at 35% HP RPM?

A

DC buses

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 FADAC detects an anomaly during start, the start will be:

A

Aborted

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10
Q

If FADC 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 < 22º * HIGH idle – Flaps > 22º

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13
Q

The time limit for Maximum Continuous Power is:

A

Unrestricted

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13
Q

What is the Continuous Ignition limitation?

A

There is no limitation

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14
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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15
Q

Can you use Auto Throttles in ALT control?

A

NO

16
Q

What are four (4) 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
17
Q

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

A

From 800º to 1000º temperature scale

18
Q

What is the basic function of the Crank Master Switch?

A

Motor Engine

19
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

20
Q

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

A

Right AC Pack

21
Q

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

A

Left AC Pack

22
Q

What does “Start Switch Configuration” CAS message mean?

A

Both Crank and Start Master switches selected ON simultaneously

23
Q

What does “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.

24
Q

What does “Throttle Configuration” CAS message mean?

A
  • AMBER CAS message (QRH)
  • Power lever is not at idle position prior to engine start
25
Q

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

A
  • Hydraulic
  • Electric
26
Q

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

A

SVO ICON on Primary Engine Instruments and ENG START synoptic

27
Q

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

A

IGN ICON on primary engine instruments

28
Q

The preferred Engine Airstart procedure and limitations are?

A

AIRSTART Automatic and at or below 25,000’

29
Q

When do the Auto Throttles retard (RTD) on landing?

A

50 feet RA

30
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
31
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

32
Q

How do you display STBY engine information?

A
  • MCDU 1 / MENU / STBY ENG
33
Q

The reversers should be at idle Reverse by what speed?

A

60 knots

34
Q

MAXIMUM REVERSE time limit is:

A

30 seconds

35
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

36
Q

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

A

No Dispatch condition

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