Landing Gear
Which electrical Bus powers the landing gear
Center Bus
What type of brakes are in the 1900?
Dual disk
How Many Axial Compressors Are in the PT6?
Four (4)
What is the range of authority for the prop syncrophaser?
25 RPM
Windows Heat high heats how much of the windshield?
2/3
What is the maximum time the landing gear motor can run?
16 seconds
What type of shock struts are in the 1900?
Air/Oil
What is the Range of Actuation for P2.5 Compressor Bleed Valve?
Fully Open Below 72% N1
Fully Closed Above 90% N1
What Prop RPM would indicate operation on the Overspeed Gov?
1802
How often does the prop de-ice auto cycle
90 seconds
Which Gear up alarm is silencable
below 84-86% N1 Power (+-1%)
190 MPH
What is the reduction gear ratio from the power tubine to the propeller?
17.6:1
Which gov operates in reverse throttle range?
Fuel Topping
Minimum temperature for oil fuel heat exchange
55 degrees Celsius
What is the charge of the nitrogen accumulator?
750-800 PSI
How does the parking brake work?
Locks in current pressure.
What is Measured at the 5th Station
ITT
What torque does the Auto-Feather disable the operative engine?
750 ft-lbs torque on failing engine, system disables good side.
What does the Auto-Feather test switch do?
Eliminates the 90% N1 requirement to arm the system
In flight, What is the range of hydraulic pressures the gear will be held up
2320 Pump On
2775 Pump Off
If the co-pilot looses braking authority, will the pilot?
Yes
What is the Flow rate and pressure of fuel bypassing a faulty FCU
•Minimum flow 90PPH
•Min press 100PSI
What does the PROP GND SOL indicate?
The position of the low pitch stop does not agree with the position of the squat switch
If the engine anti-ice fails, after 30 seconds, what kind of failure has occurred?
Actuator failure