Dash 8 Power Plant limitations

Engine model number and uptrim

PW121

10% Nominal
Max Alt for Airstart

20,000ft
Max Takeoff torque

112.5%

Limited to 5 mins
Normal Takeoff Torque

99.5%
Max Continous torque

97.5%
Max transient torque

125%

Limited to 20 secs
Max ITT Takeoff

816
Normal ITT Takeoff

785
Max Continous ITT

800
Max Starting ITT

950

Limited to 5 sec
Max Transient ITT

850

Limitied to 20 sec
Max NH for all conditions

Transient

100%

102% for 20sec
Max Np prop RPM for all conditions

1212 rpm

Transient 1320 limited to 20 sec
Oil Pressure Limits for all conditions except starting

Starting?

55psi - 65psi

200psi
What oil pressure is allowed for NH below 75%

40psi - 55psi
Below what Oil Pressure requires engine shutdown

40psi
Oil Temp Limits for all conditions except starting and transient

45 - 115 degrees
Max Usable fuel in KGs

2575kgs
Starter Crank limits for mains and APU

1 min - 2 mins

1 min - 2 mins

1 min - 30mins
Prop speed prohibited range

500 - 780 RPM
Max Altitude for Landing gear or Flap extension

15,000 ft
What two things must be used in icing conditions?

Ignition switch set to MANUAL

Engine bypass intake doors must be open
Icing condition on ground or in flight

10 degrees on the ground

5 degrees in the Air

With any visible moisture is present

Author

glennrooke

343226

Card Set

Dash 8 Power Plant limitations

Description

Dash 8 Power Plant limitations

Updated

2021-10-07T06:21:32Z

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