Pilot’s Operating Handbook Section 3
EXTRA 500 Emergency Procedures
26. January 2011
3-63
3.5.m Flight Control Malfunctions
1 FLAPS r
This warning means a flap unbalance has been detected by the
flap watchdog and the flap motor has been stopped. That means
that the left and right wing flap positions differ approx. 7°. The
FLAP-UNB circuit breaker is out.
Balance Aircraft; Slightly by using rudder and/or aileron
Land ASAP
During landing approach:
Flaps position; Estimate position
Landing Approach Speed; Due to estimated flap position
between
Flaps 30° = 80 KIAS
Flaps UP = 120 KIAS
LANDING GEAR; DN
Power Lever; Set as required
Landing; Perform
2 Elevator Control Failure
In case elevator control fails, speed shall be controlled by
elevator trim while approach angle is controlled by power
setting. For CG of 21 % MAC and behind, trim authority will
be sufficient to achieve zero sink rate.
For CG of 21 % and behind, the following procedure is
recommended:
Pitch Control; Use aircraft trim
Mayday Call; Transmit
Note
For landing, select long runway with
possibly low crosswinds.
Landing Approach; Long Final
Note
Landing gear and flaps should be set down
as early as possible to stabilize drag during approach.
LANDING GEAR; DN
FLAPS; 30°
Aircraft; Trim full aft
Power Lever; Set as required
Approximately 20 feet AGL: