HAWKER 800 XP
PILOT TRAINING MANUAL
FlightSafety
international
15-19
FOR TRAINING PURPOSES ONLY
STALL WARNING AND
IDENTIFICATION
SYSTEM
GENERAL
A stall warning and identification system is
provided to emphasize the aircraft’s natural
cues available at the point of stall. The system
functions are:
• Stick shaker (warning)
• Stick pusher (identification)
The system comprises two sensing channels,
each using an airflow angle sensor vane, a sig-
nal summing unit (SSU), and a third sensing
channel which uses two underwing pressure-
sensing vents and a stall identification sensor.
Warning and identification is provided by two
stick shaker motors, an hydraulically oper-
ated actuator with two integral electrohy-
draulic valves respectively, and associated
logic, annunciators and test switches.
System Logic
1. I t i s i m p o s s i b l e f o r a s t i c k p u s h t o
o c c u r b e f o r e a s t a l l wa r n i n g ( s t i c k
shake).
2. No single active fault of an SSU or
relay can cause the operation of a stall
va l ve o r t h e a s s o c i a t e d r e d S TA L L
VALVE annunciator.
3. The autopilot is disengaged when a
stall warning signal is initiated. This
prevents the autopilot from attempting
to counteract the resulting stick shake
operation or subsequent stick push.
Summary of Contents for 800 XP
Page 4: ......
Page 6: ......
Page 10: ......
Page 104: ......
Page 124: ......
Page 126: ......
Page 156: ......
Page 158: ......
Page 160: ......
Page 170: ......
Page 172: ......
Page 174: ......
Page 184: ......
Page 186: ......
Page 198: ......
Page 200: ......
Page 202: ......
Page 222: ......
Page 264: ......
Page 266: ......
Page 268: ......
Page 276: ......
Page 278: ......
Page 280: ......
Page 290: ......
Page 292: ......
Page 310: ......
Page 312: ......
Page 314: ......
Page 328: ......
Page 338: ......
Page 340: ......
Page 342: ......
Page 352: ......
Page 354: ......
Page 356: ......
Page 378: ......
Page 412: ......
Page 414: ......
Page 416: ......
Page 474: ......
Page 476: ......
Page 478: ......
Page 486: ......
Page 500: ......
Page 502: ......
Page 504: ......