Page 7-10
Pilot’s Operating Manual
Revision A2: Nov, 2004
Sub-section 7
STALL WARNING/IDENTIFICATION
Hawker 800XP Pro Line 21
Section III - SYSTEMS DESCRIPTION
SYSTEM ANNUNCIATORS
SYSTEM POWER SUPPLIES
Table 1: Summary of Annunciators
Function
Annunciator
MWS Panel
Airflow angle sensor left or
right vane heating
malfunction
VANE HTR FAIL
L (R)
Flap position asymmetry
FLAP
Stall identification
channel 1 (2) (3) fault
IDENT 1 (2) (3)
Signal Summing Unit fault SSU
Weight-On-Wheels
asymmetry
SQUAT
Stall valve A (B) operating
STALL VLV
A (B) OPEN
Table 2: Power Supplies
Panel Location
Row/Column
Circuit Breaker
Circuit or Equipment
Busbar
DA-D
B/1
STALL IDENT 1
26 VAC input to SSU 1
XS 1
DA-D
B/4
STALL VLV A
28 VDC to stall valve 1 and
annunciators
PS1(a)
DA-D
B/6
STALL WARN
MOTOR 1 (LH)
28 VDC to stick shaker motor 1
PS1(a)
DA-D
B/2
STALL IDENT 2
26 VAC input to SSU 2
XS 2
DA-D
B/5
STALL VLV B
28 VDC to stall valve 2 and
annunciators
PS2(a)
DA-D
B/7
STALL WARN
MOTOR 2 (RH)
28 VDC to stick shaker motor 2
PS2(a)
DA-D
B/3
STALL IDENT 3
28 VDC to SSU 3
PE
# VANE
HTR FAIL
ICE
PROT
FLAP
IDENT #
STALL
IDENT
SSU
SQUAT
STALL
VLV #
OPEN
