Stall Warning Flashcards
In order for nitrogen to flow into the stick pusher actuator what must occur?
Both channels of the SW/SP computer must command the opening of their actuator solenoid valves.
Is there a stick pusher system installed on the 200 series?
No
Except during a system test, stall warning signals are inhibited when ?
On the ground
How many independent computer channels are incorporated into the stall warning/stick pusher computer?
2
Angle of attack vanes are heated by which electrical power source?
115 V a.c.
A centre reading of the fast/slow pointer on the EADI represents a nominal airspeed of what?
1.3Vs
To manually overpower the stick pusher a force of greater than how many kilograms is required?
36 kg
Does the stall warning/stick pusher system have lift transducers?
No
The failure of the left side angle of attack sensor vane will result in the illumination of what caution lights?
1 STALL SYST FAIL, PUSHER SYST FAIL
What conditions must be satisfied in order for a stick shaker signal to be generated by the stall warning/stick pusher computer?
True AOA exceeds reference AOA
What is the SW/SP system powered by?
Both channels are powered from the 28 V DC left and right essential buses respectively
When flying in icing conditions what can you do to increase the reference AOA?
Activating the propeller DE-ICE TIMER, or INCR REF SPEED switch
When is the stick pusher system inhibited?
Below 400 feet AGL, or when the air speed is greater than 200 kts
Does the 200 series have angle of attack vanes?
No they have left transducers
What are the lift transducer heaters powered by on the ground and in the air?
On the ground they are powered by 28 V DC and in the air they are powered by 115 V a.c.
