Chapter 19 - Power Plant Flashcards
At sea level, what is the thrust of the Pratt & Whitney 305A engines and at what temperature (degrees F)?
4600 lb; 80 degrees F
At sea level, what is the APR thrust and at what temperature (degrees F)?
4600 lb; 93 degrees F
What drives the accessory gearbox?
High-pressure spool
What normally powers the FADEC?
Permanent magnet alternator
What connects the FADEC and HFCU?
Electrical signal from the rotary variable differential transformers on the power levers
What does a white L or R ENG COMPTR annunciator indicate?
Minor malfunction in one channel of the FADEC
What does an amber L or R ENG COMPTR annunciator indicate?
Major fault in one channel of the FADEC
What is indicated if both the white and amber L or R ENG COMPTR annunciators illuminate?
Major fault in both channels of the FADEC
The aircraft can be dispatched with which ENG COMPTR annunciators illuminated?
None
Above what speed is maximum reverse thrust usable?
60 kt
What occurs if a thrust reverser unlocks in flight?
FADEC autostows it
What operates the surge bleed valves and variable inlet guide vanes?
High-pressure fuel from the HFCU
What controls the surge bleed valves and variable inlet guide vanes?
FADEC
What positions the N1 bugs?
FADEC
What does illumination of the L or R OIL PRESS annunciator indicate?
Oil pressure is below 20 psi