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A220 > Test 3 > Flashcards

Test 3 Flashcards

1
Q

What engine is used on Delta’s A220-100s? A220-300s?

A

PW1521GA

PW1524G-3

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2
Q

In what order should the cowls be opened?

A

Fan cowls then thrust reversers

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3
Q

In what order should the thrust reverser latches be released?

A

BLS, 5, 4, 3, 2, 1

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4
Q

What is the primary safety concern prior to opening thrust reversers?

A

The slats will contact the inboard thrust reverser if lowered while I/B TR is raised.

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5
Q

The coating on one of the fan blades has eroded.
Can the aircraft be dispatched?

A

Yes. In most cases, the blade can be placed on monitor for 83 days.

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6
Q

What does the fan drive gear system do for the PW1500 engines?

A

Reduces the speed of the fan to 1/3 of N1

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7
Q

What indication is the primary thrust reference?

A

N1 speed

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8
Q

What provides power to the EEC?

A

PMAG when engines are running. (N2 > 45%)

Aircraft Power with engines off. (N2 < 45%)

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9
Q

What unit connects to the EEC and stores thrust rating and fan trim data?

A

Data Storage Unit

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10
Q

What component provides monitoring of vibes,
2.5 temp and pressure, oil debris, and fan drive gear system oil?

A

The Prognostic and Health
Monitoring Unit (PHMU)

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11
Q

What is the servicing window for engine oil?

A

5-60 minutes.

The engine must be run at idle for 5 minutes if outside the window.

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12
Q

Where can we check oil quantity?

A

Status synoptic page and tank sight gauge.

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13
Q

Engine Bleed air is supplied from what stages?

A

4th and 8th

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14
Q

What component controls which stage is supplying bleed air?

A

HPV

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15
Q

What prevents 8th stage air from back-flowing into stage 4?

A

Intermediate Pressure Check Valve (IPCKV)

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16
Q

What are the major components of BALODS?

A

Shrouded Ducts, Manifolds, Dual Loops

17
Q

How is BALODS selected in the flight deck?

A

No controls, always active

18
Q

The 3 ECS Subsystems are:

A

Air conditioning
Avionics cooling
Cabin pressure control

19
Q

High-Flow Mode gives pilots the ability to:

A

Remove smoke from the cabin

20
Q

The ISACs monitor what sensors for flow control?

A
21
Q

Pack outlet temperature is adjusted to provide…

A
22
Q

The pack temperature control valve is also known as…

A

Flow control valve

23
Q

L/R PACK OVHT will result with what = exceedances?

A

Compressor discharge temperature

Pack discharge temperature

24
Q

What prevents the throttle levers from being moved to full reverse thrust until the thrust reverser sleeves have fully deployed?

A

The Baulk Solenoids

25
Q

What does a N1 amber “rev”
indication represent?

A

Thrust reverser system fault

26
Q

What stages supply engine bleed air?

A

4th and 8th of HPC

27
Q

What is the controlling
LRU for bleed air?

A

IASCs 1 & 2

28
Q

What will an IASC do in response to a failure of the active channel?

A

It will automatically switch to the healthy channel

29
Q

What will prevent the higher pressure 8th stage air from flowing into stage 4 of the HPC?

A

The Intermediate
Pressure Check Valve
(IPCKV)

30
Q

The Left Bleed FAIL annunciation on the overhead Air Panel will be accompanied by what CAS message?

A

L Bleed Fail

31
Q

What is the system that monitors for bleed leak and overheat? What are its major components?

A

BALODS:
• Dual loops
• Shrouds
• Manifolds
• Coupling cover manifolds

32
Q

What are the 3 main subsystems of the Environmental Control
System (ECS)?

A

• Air Conditioning
• Avionics Cooling & Extraction
• Cabin Pressurization

33
Q

What is the ECS provision for pilots to clear the cabin of smoke or odors?

A

Pack Hi Flow

34
Q

How many outlet ducts come off the mix manifold?
Where do they go?

A

4 Outlets:
• Gaspers
• Flight Deck
• Fwd Cabin
• Aft Cabin

A220 (4 decks)

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