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G550 > Study Guide Questions > Flashcards

Study Guide Questions Flashcards

1
Q

APU guaranteed Start up

A

39,000 ft
(May start up to 43,000 ft,
Max Operating ALT 45,000 ft)

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2
Q

What design features help guarantee an APU Airstart

A

1) Heated Oil Sump
2) Bleed Air Augmentation Valve
(Delays start for 15 sec when above 35,000 ft)

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3
Q

When does the APU generator come “online”

A

Once Reaching 99% RPM for 2 sec

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4
Q

When is APU bleed air available?

A

After reaching 100% for 1 min

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5
Q

APU bleed air for T/O is usable up to

A

1,500 ft AGL

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6
Q

What is the shutdown sequence for the APU below 20,000 ft?

A

1) It load-sheds Immediately
2) It Slowly winds down to 70% RPM over 1 min, then shuts-down

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7
Q

What is the shutdown sequence for the APU above 20,000 ft?

A

1) It load-sheds Immediately
2) Stays at 100% RPM for 1 min, then shuts-down

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8
Q

APU Max TGT for start

A

1050 C

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9
Q

APU Started cuts out at

A

46% RPM

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10
Q

APU fuel comes from

A

Left Tank

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11
Q

Can you start the APU with external DC power?

A

Yes (but multiple start attempts require 15 min between starts)

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12
Q

How many MAUs (Modular Avionics Unit) do we have

A

3 (16 Cards per MAU)

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13
Q

What do AGMs (Advanced Graphics Modules) do?

A

They take Data and create the images you see on the DUs (Display Units 1-4)

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14
Q

Where do the DUs get their power from

A

DU1 - Left ESS DC
DU2 - Left Main DC
DU3 - Right Main DC
DU4 - Right ESS DC

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15
Q

DUs 1 & 4 can be powered by

A

HMG if you have dual gen and APU gen failure

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16
Q

What is the Color of your Track (on Moving Map) until you reach the waypoint?

A

Magenta

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17
Q

What is the dotted Magenta Line?

A

Aircraft IRS track

18
Q

On the PFD, speed and altitude have a “trend vector.” that gives a __ forecast.

A

6 sec

19
Q

What is needed for In-Flight alignment?

A

1 GPS

20
Q

Water tank capacity

A

30 gal

21
Q

What is needed for a No-Break Power Transfer

A

An IDE must be part of the transfer
(An

22
Q

Using the HMU (hydraulic Motor Generator)

A

Use other Hydro systems/controls slowly (speed brake - 3 sec to open or close)

23
Q

When airborne, where does the GSB (ground service Bus) get its power

A

Right Main DC Bus

24
Q

What do the TRUs do?

A

Convert AC power to DC
(there are 5 of them
L ESS
L Main
Aux TRU
R Main
R ESS)

25
Q

What buses are powered immediately when you put the HMG on?

A

L and R Standby AC buses

26
Q

Main Batteries

A

24 VDC, 53 Amp, NICAD

27
Q

If you select the L Main TRU where does it get power from?

A

The R Main AC Bus

28
Q

What do the GCUs (Generator Control Unit) do?

A

The monitor volts, freqs, and loads for over and under conditions and faults

29
Q

How do you Reset the GCU?

A

Use the associated Gen switch on the overhead panel

30
Q

What do the BPCUs (Bus Power Control Unit - two of them) do?

A

Provide electrical power distribution and protection. It will prioritize the Aux TRU - ESS before Main, Left before Right

31
Q

How to reset the BPCUs?

A

Reset (AC/DC) button on the overhead panel

32
Q

What is the battery charger capacity in AMPS if using the AUX TRU?

A

50 Amps

33
Q

Battery chargers will not charge the batteries if they are below.

A

7 VDC

34
Q

Min Battery Volts for DC Start

A

22 VDC

35
Q

Which bus powers the Avionics E-Batts?

A

L / R Standby AC Buses

36
Q

If the grounds service bus light is illuminated

A

The GSB gets power from the Right Main Battery or the External DC power chart.

37
Q

When do the battery lights come on?

A

1) When powering an APU START
2) When the Aux Pump is running
3) When powering the L and R ESS DC Bus

38
Q
A
39
Q

How many temperature zones are there in the aircraft?

A

3 zones. (Cockpit, Forward cabin, aft cabin)

40
Q

Manual temp mode range

A

35 F - 230 F

41
Q

Auto temp mode range

A

60 F - 90 F

G550 (12 decks)

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