Hawker 800 XP, Pilot Training Manual

Page: 444 / 504

4. While holding #1 ADC test switch, press
and hold #1 V
MO
/M
MO
test switch.
a. A pulsing overspeed warning horn will
be heard.
b. Release test switches.
5. On autopilot control panel select HSI se-
lect switch right. On overhead roof panel
“CG,” press and hold #2 ADC test switch.
a. Verify same results as step 3 on ~copi-
lot's instruments.
6. Repeat step 4 with #2 ADC test and #2
V
MO
/M
MO
test switches with the same result.
NOTE
The low V
MO
test switches and the
ADC test switches on the overhead
panel have the same results.
With fuel in the ventral tank an over-
speed warning will result when ADC
o r l o w V
M O
t e s t s w i t c h e s a r e
pressed. Also, airspeed will display
290 knots.
7. Select copilot’s ADC transfer switch.
a. Observe ADC #1 annunciation on pi-
lot's and copilot's EADI.
b. Observe REV annunciation on copi-
lot's transfer switch.
8. Select pilot's ADC transfer switch.
a . O b s e r ve c o p i l o t ' s t r a n s f e r r e t u r n s
to normal.
b. ADC #2 annunciation on pilot's and
copilot's EADI.
c. Observe REV annunciation on pilot's
transfer switch.
9. Deselect items 7 and 8 and observe the removal
of the ADC #1 or ADC #2 annunciator.
NOTE
During engine start, ADC power is
transferred to the #4 battery. It is
normal for a momentary flag to occur
on airspeed, vertical speed, and al-
timeter at the end of the start se-
quence when ADC power transfers
back to the normal power source.
Failure Modes and Reversion
On side airspeed is compared to cross side air-
speed. An AMBER “IAS” comparator comes
on in the EADI when there is a 5 knot differ-
ence for more than 2 seconds. As long as both
speeds are valid and at least one side is 90 kts
or above, the amber “IAS” comparator ini-
tially,flashes for 10 sec. then stays on steady
until speeds once again agree (Figure 16A-8).
Failure of an individual component such as air-
speed, or vertical speed or the altimeter would
be shown as:
a) in the case of airspeed, the airspeed scale
& digital readout disappearing, replaced by
a RED “IAS” (Figure 16A-9).
b) in the case of vertical speed, the vertical
speed scale are digital readout replaced
by a RED “VS” (Figure 16A-9).
Revision 1 16A-20
FOR TRAINING PURPOSES ONLY
HAWKER 800 XP PILOT TRAINING MANUAL
FlightSafety
international
Figure 16A-8. Amber IAS Comp