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POH
AQUILA AT01-200C
SECTION 3
EMERGENCY PROCEDURES
Document Nr.:
Issue:
Supersedes Issue:
Date:
Page:
FM-AT01-1010-106
A.01
--- (first issue)
02.03.2020
3 - 8
F)
OSCILLATION OF MANIFOLD PRESSURE & PROPELLER RPM
I.
TCU
warning light (YELLOW)
is NOT blinking
- Malfunction TCU
1.
Throttle
middle position (wastegate open)
2.
Propeller control lever
KEEP RPM in green range
3.
TCU
switch
OFF
(Cover up, switch down)
4.
TCU
circuit breaker
PULL
5.
TCU
circuit breaker
after 5 seconds PRESS
6.
TCU
switch
after 10 seconds (TCU self-test completed)
ON (switch up)
If no stabilization:
6.
TCU
switch
OFF (switch down)
7.
Throttle
KEEP manifold pressure in green range
8.
Propeller control lever
KEEP RPM in green range
9.
Precautionary landing
PERFORM (see 3.4.1)
WARNING
Depending on the last waste gate position, without a working TCU there is only a distinctly
reduced engine power available.
G)
EXCEEDANCE OF THE MAXIMUM ALLOWABLE MANIFOLD PRESSURE OR OF THE
MAXIMUM DURATION FOR OPERATION WITH TAKE-OFF POWER
I.
BOOST
warning light (RED)
is illuminated
- Exceedance of max manifold pressure (40inHg)
1.
Throttle
KEEP manifold pressure in green range
2.
Propeller control lever
KEEP RPM in green range
3.
TCU
switch
ckeck, if ON (switch up)
If there is no switch failure -
Malfunction of TCU likely! (refer to 3.3.3 F)
II.
BOOST
warning light (RED)
is blinking
- Exceedance of max. duration for TOP (5 min)
1.
Throttle
KEEP manifold pressure in green range
2.
Propeller control lever
KEEP RPM in green range
3.
Flight
CONTINUE
WARNING
Every exceedance indicated by BOOST warning light has to be recorded in the technical
logbook together with information regarding type, duration and date of the exceedance!
Exceedances of less than 3 seconds will not be indicated.