Limitations engine Flashcards
starting eng abort 6 reasons
-light off 10 sec
- rotor not turning at 40%
-starter release 49%
-hung start below 54%
-hot start caution, above 869, max 1000, 2 sec
-abnormal noise
Start cycles
45 on, 1 min off, 45 on, 1 min off, 45 on 30 min off
Eng abort start shut down
Eng mode off
If eng not shutting down
- ECL OFF
- Fuel pump off
-fuel valve off
Eng dry run after hot start
Fuel pump OFF, Fuel valve OFF, Ignition CB out. Eng switch to idle max 45 sec.
Engine internal fire after shutdown (hot gases flames):
Eng control lever to OFF. (cuts the fuel)
Eng switch to idle max 45 sec.
Engine shut down in emergency
Eng / fuel pump / valve / heater shut off / monitor fuel. If eng don’t shut down ECL OFF
Rotor brake limit emergency?
Braking from 90%
NR permitted in an Emergency
Engine shut down in emergency page?
19
PI limiting coupled collective?
97%, 106% a/s less than 60 kts. 140% OEI. Min 5% or 10% (AEO or OEI)