Powerplant Flashcards
Type Of Engines
Honeywell HTF7700L
Thrust Of The HTF7700L?
7,665 Pounds Of Thrust
Up To ISA +18.9DegC
Items On The Accessory Gear Box
*Air Turbine Starter
*Generator (28VDC)
*Hydraulic Pump
*Fuel System Hydro-Mechanical Unit (HMU)
*FADEC PMA
*Fuel Heater Oil Cooler (FHOC)
*Oil Filter
*Fuel Filter
FADEC Consists Of ____ Channels
2,
A And B
For Redundancy Of Control
What Powers The FADEC?
Initially By 28VDC From EMER Bus
At 45% N2 During Start, The PMA Becomes Primary Source
EMER Bus Is Still Available As Backup
Engine Idle Speed On The Ground
63% N2
Engine Idle Speed In Flight
71.5% N2
How Long Can APR/MPR Be Used?
APR 10 Minutes
MPR 5 Minutes
FADEC May Post An Exceedance CAS Message If Limits Exceeded
*Use Of APR/MPR Is Equivalent To 5 Engine Cycles And 10 Hours Of Engine Operation
(Engine Logbook Entry Required)
When And How Should The Engine Oil Be Checked?
Using The Remote Oil Level System Between 5 And 30 Minutes After Shutdown
What Does The PMA Do?
*Provides power To The FADEC When The Engine Is Running
*Provides The HP Rotor Speed (N2) Signal To The EICAS
Thrust Reversers Must Be Reduced To Idle By…
45 Kt
Rotary Variable Differential Transformer (RVDT) In The Throttle Quadrant Does What?
Provides Throttle-Lever Position Information To Each FADEC Channel
During An Engine Start On The Ground Using The APU, The FADEC Cuts Off APU Bleed Air To The Air Turbine Starter At?
46% N2
TMI (Thrust Mode Indicators) Reflect?
Value Of The N1 V Bug