Systems Limitations Flashcards

APU, Autoland, Pressurization

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1
Q

Max Negative Cabin Pressure

A

-1.0 PSI

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2
Q

Max Positive Cabin Pressure

A

9.0 PSI

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3
Q

Safety Relief Valve - Cabin

A

8.6 PSI

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4
Q

Ram Air Inlet Pressure to Open

A

Only opens if differential pressure is lower than 1 PSI

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5
Q

APU Bleed Use with Low Pressure (LP) Ground Unit

A

Do not use conditioned air simultaneously from PACKS and LP ground unit (to avoid chattering of the non return valves).

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6
Q

APU Bleed Use with High Pressure (HP) Ground Unit

A

Use of an external HP Cart to supply PACKs for Air Conditioning is PROHIBITED.

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7
Q

Air Conditioner Avionics Parameter

A

The aircraft electrical system should not be powered for more than 2 hours without a cooling system when the OAT is above 49C

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8
Q

Can you operate the APU if the LOW OIL LEVEL ECAM advisory is displayed?

A

Yes; MX action is required within next 10 hours of APU operation.

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9
Q

APU Starter Duty Cycle

A

1 Minute between each start attempt. Then 60 minutes after 3 consecutive starts.

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10
Q

Max EGT for APU

A

675C

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11
Q

Max EGT for start (Inflight) APU

A

At or above FL350: 1120C

Below FL350 : 1090C

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12
Q

Max Rotor Speed APU

A

107% (APU auto shuts down at 107% N speed ECAM Display)

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13
Q

Max Altitude for APU start using battery power only (Elec EMER Config)

A

FL250

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14
Q

Max Alt for APU start using normal electrics

A

FL390

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15
Q

Max Alt for APU - One pack operation with electrical

A

FL225

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16
Q

Max Alt for engine start - APU

A

FL200

17
Q

Max Alt for Two pack operation w/electrical

A

15,000 FT

18
Q

A/P Engagement after TO (If SRS is Indicated)

A

100 AGL

19
Q

A/P Engagement Enroute

A

900 AGL

20
Q

A/P RNAV visual approach - Disengage

A

500 AGL

21
Q

A/P Non-Precision Approach - Disengage

A

DDA/DA

22
Q

A/P Non-Autoland ILS w/ CAT 1 FMA- Disengage

A

160 AGL

23
Q

A/P Non-Autoland ILS w/ CAT 2/3 FMA- Disengage

A

80 AGL

24
Q

A/P Engagement Go-Around (If SRS is indicated)

A

100 AGL

25
Q

A/P Autoland Approach Disengage

A

Rollout/ Taxi Speed

26
Q

Auto Land Wind Limitations A320 CEO/NEO, 321CEO/NEO

A

320 CEO/NEO 321 CEO
* 30 - Headwind
* 15 - Crosswind
* 10 - Tailwind
* 5-15 kts - Wind Correction

321 NEO
* 15 - Headwind
* 10 - Crosswind
* 10 - Tailwind
* 5-15 kts - Wind Correction

27
Q

What’s ways can you start the APU?

A

Aircraft BATTs
External Power
Engine Generator Source

28
Q

Autoland Demonstrated Capability

A

320 - 9200ft

321 - 5750ft

29
Q

Max Landing Weight A319

A

137,788 lbs

30
Q

Max landing weight 321

A

171,520 lbs