System Limitations

Question 1

Min. Voltage (Battery)

Answer 1

22.5 V

Question 2

MAX. ITT

Answer 2

815°C

Question 3

Starter Cranking Limits (Ground)

Answer 3

1 & 2: 90 seconds ON, 10 seconds OFF
3 - 5: 90 seconds ON, 5 minutes OFF

Question 4

Starter Cranking Limits (In Flight)

Answer 4

1 & 2: 120 seconds ON, 10 seconds OFF
3 - 5: 120 seconds ON, 5 minutes OFF

Question 5

DRY MOTORING CYCLE LIMITS

Answer 5

1: 90 seconds ON, 5 minutes OFF
2-5: 30 seconds ON, 5 minutes OFF

Question 6

Takeoff with the Automatic Takeoff Thrust Control System (ATTCS) OFF

Answer 6

Is NOT authorized

Question 7

Max. Fuel Capacity

Answer 7

20, 935 lb

Question 8

Max. Imbalance

Answer 8

794 lb

Question 9

Min. Fuel Tank Temp.

Answer 9

-37°C

Question 10

APU STARTER DUTY CYCLE

Answer 10

Start Attempt 1 & 2: 60 seconds OFF
Start Attempt 3: 5 minutes OFF

Question 11

APU Start Temperature Limits

Answer 11

MIN: -54°C
MAX: ISA + 35

Question 12

APU Max Start Alt.

Answer 12

30,000 ft

Question 13

APU Max. Engine Start Alt.

Answer 13

21,000 ft

Question 14

APU Max. Bleed Use Alt.

Answer 14

15,000 ft

Question 15

MAX Differential Pressure

Answer 15

8.4 PSI

Question 16

MAX Differential Overpressure

Answer 16

8.8 PSI

Question 17

MAX Differential Negative Pressure

Answer 17

-0.5 PSI

Question 18

MAX Differential Pressure for T/O and Landing

Answer 18

0.2 PSI

Question 19

Min. Reservoir Temp. For ENG Start

Answer 19

-18°C

Question 20

The T/O DATASET MENU on the MCDU must be set to ENG in the following cases when the OAT is ____ and ____ :

Answer 20

• From 5°C to 10°C
• When there is any possibility of
encountering visible moisture up to 1,700 ft AFE.
• When operating on ramps, taxiways, or runways where surface snow, ice, standing water, or slush may be ingested by the engines, or freeze on engines, nacelles, or engine sensor probes.

Question 21

The T/O DATASET MENU on the MCDU must be set to ALL in the following cases when the OAT is ____ and ____ :

Answer 21

• Below 5°C
• When there is any possibility of
encountering visible moisture up to 1,700 ft AFE.
• When operating on ramps, taxiways, or runways where surface snow, ice, standing water, or slush may be ingested by the engines, or freeze on engines, nacelles, or engine sensor probes.

Question 22

Operating in Icing Conditions in flight:

Answer 22

• The engine and wing anti-ice systems operate automatically, in case of ice encounter when the ice protection mode selector is in the AUTO position.
• When either one or both ice detectors are failed, the crew must set the mode selector to ON when icing conditions exist or are anticipated below 10°C TAT with visible moisture m.

Question 23

Autopilot Min. Engagement Height

Answer 23

400 ft AGL

Question 24

Autopilot Min. Use Height on Approach

Answer 24

50 ft HAT

Question 25

TAS, TAT, and SAT information are only valid above ____

Answer 25

60 kt