Standard Operating Procedures
LET 410 UVPE-20
Document No.:
SOP-LET410
Page 2- 17
Rev: 1
Date: Nov 17
Prepared by: L.A.
Checked by: C.L.S.
changing air conditions, power changes and/or aircraft
configuration changes.
14. ALTITUDE HOLD (ALT) MODE -
When pushed will select the
Altitude
Hold mode, which commands the airplane to maintain the
pressure altitude existing at the moment of selection. Engagement
may be accomplished in climb, descent, or level flight.
In the APR mode, altitude hold will automatically disengage when
the glideslope is captured.
15. VERTICAL TRIM CONTROL -
A spring loaded to center rocker
switch which will provide up or down pitch command changes:
- While in Pitch Attitude Hold mode will adjust the pitch attitude at
a rate of 0.7 deg/sec.
- While in Altitude Hold mode will adjust the altitude at a rate of
500 fpm.
- While in Indicated Airspeed Hold mode will adjust the airspeed
at a rate of 0.75 kt/sec.
- While in the Vertical Speed Hold mode will adjust the vertical
speed at a rate of 100 feet/sec.
2.4 Flap System
NB: Undercarrage to be selected DOWN before Flap Selection.
Flap Extension shall be limited to the following speeds:
MAXIMUM FLAPS EXTENDED SPEED, V
FE
−
Flaps in take
−
off position (18°)
135 KIAS
−
Flaps in landing position (42°)
116 KIAS
Automatic interlocking prevents the wing flaps from moving to landing position at the
airspeeds above 111 KIAS.
MAXIMUM FLAPS OPERATING SPEED, V
FO
IS SAME AS V
FE
Summary of Contents for L410 UVP-E20
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