Airplane Factory SLING 4
Pilot Operating Handbook
Page | 3-16
DC-POH-001-X-C-3
Revision : 1.3
EMERGENCY PROPELLER FEATHER PROCEDURE
1.
Select AUTO / FEATHER.
2.
Actuate feather engage switch to initiate automatic feathering cycle.
CAUTION
The pilot should be aware that a feathered propeller is
less likely to break if it hits the ground, as it is stronger in
this orientation. In this a situation, the impact of the
propeller with the ground may cause the aircraft to tip
over. In the event of a forced landing where a propeller
blade may dig into the landing surface due to an
undercarriage failure or the like, consideration should
be given to leaving the propeller unfeathered.
NOTE
The automatic feather cycle takes 20 to 40 seconds
depending on what pitch the propeller is at when the
cycle is commenced and at what pitch the feather pitch
limit is set at
.
NOTE
The propeller may be unfeathered at any time by
simply selecting any other position on the propeller
control selector (i.e. the hold speed governing mode or
one of the pre-set speed governing modes). The
propeller will then automatically move to the flight
range and constant speed governing will commence as
soon as a controllable engine/propeller speed is
achieved.
Содержание SLING 4
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