When must you commute your arrival data on the PPC?
If the environment conditions at any of the destinations have increased by 5 degrees C, 1000 ft PA, or the aircraft weight increases 1000 LBS from take off point.
ATM 4-25 Note
What weight(s) may be used to compute GO/NO-GO TQ OGE?
Maximum Allowable GWT
When should an engine start be aborted?
-If it becomes apparent TGT will exceed 851 degrees C before Ng idle speed
-If TGT, positive oil pressure, or Np does not increase within 45 secs after moving the power lever to idle
-If ENG 1 or ENG 2 start advisory is removed prior to 52% Ng
What is abort start procedure?
- Power lever - off
- ENG Start Switch - IGN override for 30 secs and TGT is below 540 degrees C before
When is a warm start procedure (701D) required?
Less than 4 hours since last shutdown
During a warm start procedure, what TGT value must be achieved before the engine power lever is advanced to IDLE?
30 degrees C
