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26 Cards in this Set
- Front
- Back
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1st attempt to start APU, 30 sec ON. How many minutes off?
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3 min OFF
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2nd attempt to start APU, 30 sec ON. How many minutes off?
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3 min OFF
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3rd attempt to start APU, 30 sec ON. How many minutes off?
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3 min OFF
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4th attempt to start APU, 30 sec ON. How many minutes off?
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30 min OFF
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APU will Auto shutdown in flight when...
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a) gen overvoltage
b) overspeed |
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APU max start EGT
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<50% 974ºC
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APU max EGT
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>90% 732ºC
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APU start contact engaged from...
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0% to 50%
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Garrett APU: up to ISA +35ºC <16,000 ft [generator limits, max amps] How many amps produced?
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400A
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Garrett APU: up to ISA +35ºC >16,000 [generator limits, max amps] How many amps produced?
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290A
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Garrett APU: greater than ISA +35ºC <15,000 [generator limits, max amps] How many amps?
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400A
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Garrett APU: greater than ISA +35ºC >15,000 [generator limits, max amps] How many amps?
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280A
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Altitude: Garrett [air start envelope]
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-1,000 to 20,000 ft
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Airspeed: Garrett [air start envelope]
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135 to 200 KIAS
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Garrett: up to 16,000 ft [APU Max operating temps]
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ISA +38ºC
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Garrett: above 16,000 ft [APU Max operating temps]
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ISA +35ºC
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[Fire protection] Fire handle activates:
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a) Fuel SOV
b) Hyd SOV c) Bleed SOV d) Elec feather sys e) Eng deice valves |
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[Pneumatic/Air conditioning] P3 Bleed air used for:
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a) Pressurization/environmental
b) Pneumatic deice c) Hyd reservoir pressurization d) Eng labyrinth seals e) 109% overspeed protection f) Vacuum for pressurization |
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[Pressurization] Norm. cabin diff press....
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7.0 psi
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[Pressurization] Max cabin diff press
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7.2 psi
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[Pressurization] Inward press relief at
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-.3 psi
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[Pressurization] Elec controller dump limit altitude...
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13,000 ft
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[Cabin rate knob detent] climb at what fpm?
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650 fpm
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[Cabin rate knob detent] descent at what fpm?
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450 fpm
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[Cabin rate knob detent] Cabin alt light at what altitude?
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10,000 ft
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Cabin pressurizes to what altitude on T/O?
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-300 ft below field elevation
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