Systems Limitations

Question 1

Max Negative Cabin Pressure

Answer 1

-1.0 PSI

Question 2

Max Positive Cabin Pressure

Answer 2

9.0 PSI

Question 3

Safety Relief Valve - Cabin

Answer 3

8.6 PSI

Question 4

Ram Air Inlet Pressure to Open

Answer 4

Only opens if differential pressure is lower than 1 PSI

Question 5

APU Bleed Use with Low Pressure (LP) Ground Unit

Answer 5

Do not use conditioned air simultaneously from PACKS and LP ground unit, to prevent adverse effect on the A?C Conditioning system.

Question 6

APU Bleed Use with High Pressure (HP) Ground Unit

Answer 6

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

Question 7

Avionics Ventilation

Answer 7

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

Question 8

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

Answer 8

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

(No Logbook entry required).

Question 9

APU Starter Duty Cycle

Answer 9

After 3 consecutive start attempts, 60 min wait.

Question 10

Max EGT for APU (Running)

Answer 10

675C

Question 11

Max EGT for start (Inflight) APU

Answer 11

At or above FL350: 1120C

Below FL350 : 1090C

Question 12

Max Rotor Speed APU

Answer 12

107%

Question 13

Max Alt for APU start using normal electrics & APU operation

Answer 13

FL390

Question 14

Max ALT to use the APU to supply electrical power with one pack operating?

Answer 14

FL225

Question 15

Max ALT to use APU for an ENG start?

Answer 15

FL200

Question 16

Max ALT to use the APU to supply electrical power with both packs operating?

Answer 16

15,000 FT

Question 17

Auto Land Wind Limitations A320/321

Answer 17

30 - Headwind
15 - Crosswind
10 - Tailwind
5-15 kts - Wind Correction

Question 18

What’s ways can you start the APU?

Answer 18

Aircraft BATTs
External Power
Engine Generator Source

Question 19

Autoland Demonstrated Capability

Answer 19

320 - 9200ft

321 - 5750ft

Question 20

APU Starts and Shutdown during refueling

Answer 20

Permitted w/restrictions

• APU failed to start or auto shutdown, do NOT start the APU
• Fuel Spill occurs, normal shutdown

Question 21

Autoland Wind Limitations A321NEO

Answer 21

15 - Headwind
10 - Crosswind
10 - Tailwind
5-10 its - Wind Correction (VLS + Wind Corr)

Question 22

Is the use of APU bleed air for wing anti-ice permitted?

Answer 22

Use of APU Bleed Air for wing anti-ice is not permitted.

Question 23

The use of AP or FD in __ __ or ___ mode is not permitted inside the FAF or below 1000ft AGL on a visual approach?

Answer 23

OPEN DES
DES

Question 24

Autolands are not authorized on runways less than __ ft wide?

Answer 24

148ft

Question 25

Autolands are approved for CONFIG 3 and CONF FULL. What config is recommmended for all autokands to maximize forward slant range?

Answer 25

CONF FULL

Question 26

Autolands are prohibited if braking action is reported less than?

Answer 26

Medium

Question 27

If one or more of the autoland requirements cannot be met, may an approach still be conducted if the weather is below 1/2 mile or 2400rvr?

Answer 27

Yes. If the autoland requirements cannot be met (ex. strong crosswind). A non-autoland CAT 1 may conducted down to the lowest authorized CAT 1 Mins (1800 RVR or as published).

Question 28

When should you use LOW vs MED autobrakes for an autoland? Are autobrakes required for all CAT 3 approaches?

Answer 28

Runways less than 8000ft - Medium Runways more than 8000ft - LOW or Med. (If Autobrakes are available they are required for al CAT 3 approaches)

Question 29

Minimum engine oil quantity?

Answer 29

CEO A/C - 9.5qt + .5qt per every hour of est flight time. 320 NEO - Highest of 10.6 qt or 9.qt + .5 qt for every hour of est flight time. 321 NEO - OAT at or above -30C - 14qt; OAT below -30C 16.5 qt

Question 30

Min oil temp to start the engines?

Answer 30

-40C

Question 31

Min Fuel for TO?

Answer 31

3300lbs (Fuel related ecams must appear for TO)

Question 32

Is taxi with deflated tires permitted?

Answer 32

Yes, given certain conditions in VOL 2 are satisfied. (Sec 2.10)

Question 33

When might you consider inhibiting the ROPS function?

Answer 33

A/C (394-399, 601-699) - The ROPS function may be inhibited for specific app procedures whcih have previously been identified as potentially producing undue ROW alerts. A/C (389-393) - When a runway identified as incompatible with ROPS by CBI (crew breifing item) or AIP. The ROPS may be inhibited when the aircraft position is less than 15NM from the airfield when: - For specific app procedures which have previously been identified as potentially producing undue ROW alerts. - If a NOTAM displaces the landing threshold (shortened landing distance available)

Question 34

How do you inhibit the ROPS function?

Answer 34

- ROW/ROP pb-sw set to OFF on SURV panel OR - TERR pb set to OFF on GPWS Panel