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UPS A300F > A300 Classic SKV Fuel System > Flashcards

A300 Classic SKV Fuel System Flashcards

1
Q

On the ground, what does the illumination of the TRIM TK ISOL VALVE flow bar indicate?

A

The refueling panel door is open.

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2
Q

When operating the A300 CGCC system in RANGE mode, when will AFT fuel transfer be allowed?

A

Above FL 205

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3
Q

What is normal fuel usage priority?

A

Center, Inner, Outer tanks

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4
Q

While operating with the CGCC in Payload Mode, what parts of the Fuel System are deactivated?

A

FWD and AFT Transfer valves.

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5
Q

What does a dash (-) in the place of the last digit on the fuel quantity indicator mean?

A

Slight degradation of system accuracy (PLUS or MINUS 100 lbs)

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6
Q

When does the Fuel Crossfeed Valve automatically open?

A

Standby generator operation and Avionics Smoke Drill

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7
Q

Is there a difference in the AC powered fuel boost pumps?

A

No, Outer tank pumps have sequence valves to reduce output pressures.

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8
Q

While operating with only standby generator power, what fuel pumps remain operable?

A

Left inner 2, Right inner 1, and Left center tank

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9
Q

How is fuel supplied to the engines if on battery power only?

A

Gravity feed from outer tanks till empty then inner tanks to 4400 lbs.

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10
Q

What are the 3 modes of operation for the CGCC?

A

Normal, Alternate, Fault mode

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11
Q

When operating the A300 CGCC system in RANGE mode, when will FWD fuel transfer be allowed?

A

After takeoff, Landing Gear and SLATS retracted.

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12
Q

On the A300, what fuel tanks can gravity feed the engines?

A

Inner wing tanks down to 4,400 lbs, and outer wing tanks until empty.

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13
Q

When the Avionics Smoke Drill is active, what is the normal operating sequence of the fuel pumps?

A

Left inner 2, Right inner 1, and Left center tank, one at a time.

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14
Q

After takeoff, when does the Trim Tank Isolation Valve open?

A

Landing Gear and SLATS retracted.

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15
Q

If a flight is flown below 20,000 feet (FL200) what will the Center of Gravity Control Computer System (CGCC) do to balance fuel?

A

Only allow forward transfer of fuel.

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16
Q

What is the purpose of the fuel crossfeed valve?

A

Fuel supply to both engines from any tank.

17
Q

Where is the TOTAL fuel onboard permanently displayed?

A

On the ECAM MEMO and ECAM FUEL pages.

18
Q

Where is the exact quantity of fuel in the Center Tank displayed?

A

ECAM Fuel page.

19
Q

What is the approximate total fuel capacity for the A300?

A

120,000 LBS

20
Q

Once the Auto Fuel Feed system is activated, what is the minimum number of fuel pumps required to maintain operation?

A

One in either Inner Tank and a Center Tank pump; 2 Total

21
Q

Can the aircraft automatically balance the fuel inflight?

A

Yes, the CGCC system will attempt to keep the inner tanks within 440 lbs of each other during aft transfer of fuel.

22
Q

Which fuel tank pumps does the auto fuel feed system have direct control of?

A

Auto Fuel Feed system utilizes center and inner fuel tank pumps.

23
Q

When does the CGCC normally fast forward to empty the trim tank before landing?

A

Descending through 20,000’

24
Q

What is the primary purpose to dispatch in PAYLOAD mode?

A

It allows a higher max landing weight.

25
Q

If the auto fuel feed system is operating normally, what is required of the crew to ensure wing tank to engine feed for the approach and landing?

A

Nothing, the auto fuel feed system will automatically switch from the center tank to wing tanks.

26
Q

When does the auto fuel feed system prohibit center tank feeding?

A

Three minutes after slat extension.

27
Q

What is the minimum number of fuel pumps required to initiate the automatic fuel feed system?

A

One in each Inner Tank and a Center Tank; 3 Total

28
Q

The center tank is considered empty when it contains less than _____ pounds.

A

400

29
Q

How is the Center of Gravity Control Computer (CGCC) activated?

A

At least 1 trim tank pump and CGCC Mode switch in AUTO.

30
Q

How long will the automatic fuel feed system allow the center tank pumps to feed on approach if the inner and outer tanks are not empty?

A

Three minutes after slat extension.

31
Q

If inner tanks contain any fuel, both outer tanks must be _____ pounds or greater.

A

7,800

32
Q

When operating in range mode with the inner fuel tanks not completely full, what is the maximum amount of fuel that can be in the center tank?

A

10,000

33
Q

When operating in Payload Mode, how much fuel can be in the center tank?

A

less than 400

34
Q

During flight on battery power only what fuel pumps are available to feed the engines?

A

None

35
Q

Once the slats are extended for landing, is any Center Tank fuel usable?

A

Yes, if the auto fuel feed system is deactivated.

36
Q

With the SLATS extended and the Center tank pumps deactivated, how can the fuel system be configured to allow fuel in the center tank to be used?

A

Select all 4 inner pump switches OFF

UPS A300F (25 decks)

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