APU OPERATIONAL LIMITS Flashcards
APU Type?
Hamilton Sundstrand APS 2300
Min START Temp & ALT
[-54℃] & [-]
Max START Temp & ALT
[APU temp matches the Airplane Operational Envelope temp] & [30,000 ft]
Min Operational Temp
APU temp matches the Airplane Operational Envelope temp
Max Operational Temp
APU temp matches the Airplane Operational Envelope temp
Min Operational ALT
[-]
Max Operational ALT
33,000 ft
Min Operational ELE GEN
[-]
Max Operational ELE GEN
33,000 ft
Min Operational BLEED
[-]
Max Operational BLEED
15,000 ft
Min Operational TO ASSIST ENGINE START
[-]
Max Operational TO ASSIST ENGINE START
21,000 ft
Min ROTOR SPEED
[-]
Max ROTOR SPEED
108%
MAX EGT NOTES
[In-flight, there is no automatic shutdown if EGT exceeds the limits.] [There is no time limitation for operating the APU on ground or in flight in the amber range between
662°C and 717°C.]
Min EGT: START AND CONTINUOUS
[-] to [1032℃]
Max EGT: START AND CONTINUOUS
[-] to [717℃]
