Powerplant Limitations - PW1129

Question 1

PW Thrust Setting/EGT Limits

Answer 1

TOGA (2 engines) - 5 min - 1083 °C
TOGA (1 engine) - 10 min - 1083 °C
MCT (1 or 2 engines) - N/A - 1043°C
Starting - 1083°C

Question 2

PW Maximum N1 and Maximum N2

Answer 2

100% N1
100% N2

Question 3

PW Reverse Thrust Limitations

Answer 3

*The selection of the thrust reversers in flight or their preselection before touchdown is prohibited.
*On ground, backing the aircraft with use of reverse thrust is not permitted.

Question 4

PW Oil Pressure Limitations

Answer 4

Minimum Pressure
65 PSI at 60.5% N2
165 PSI at 100% N2

Maximum Pressure
270 PSI

Question 5

PW Oil Temperature Limitations

Answer 5

MINIMUM TEMPERATURE:
Minimum starting temperature: -40 °
52 °C prior to acceleration to take-off

MAXIMUM TEMPERATURE:
151 °C

Question 6

PW Go Around Soft Mode Limitation

Answer 6

The use of GO-AROUND SOFT mode is prohibited with one engine inoperative.

Question 7

PW Starter Limitations

Answer 7

*For ground starts (automatic or manual), a 35 s pause is required between successive cycles.
*A 15 min cooling period is required, subsequent to three failed cycles.

Question 8

PW Minimum Oil Limitation

Answer 8

14 qt