Pilot's Operating Handbook
Section 7
Description
Edition 0 - October 31, 2013
Rev. 4
Page 7.5.4
Safety
Safety switch - landing gear retraction
A safety switch installed on each main landing gearprevents, by detecting shock strut
com
pression, landing gear accidental retraction when airplane is on ground.
>> Without voice alerts (Pre-MOD70-0407-00D)
Landing gear horn
Landing gear horn is controlled by throttle and / or flaps. It emits continuous
high-pitched sounds when :
- THROTTLE is on IDLE position and landing gear is not down-locked,
- flaps are beyond TO position (Takeoff) and landing gear is not down-locked.
● NOTE ●
If one of above conditions exists and airplane is in stall configuration, the
audio-warning signal becomes alternated (high-pitched sound / low-pitched
sound).
●
>> With voice alerts (Post-MOD70-0407-00D)
Landing gear aural warning
Landing gear / Landing gear aural warning alert sounds when :
- TH
ROTTLE is on IDLE position and landing gear is not down-locked,
- flaps are beyond TO position (Takeoff) and landing gear is not down-locked.
● NOTE ●
If one of above conditions exists and airplane is in stall configuration, the
stall/landing gear aural warning alert sounds.
●
Emergency landing gear extension control - see figure 7.5.2
Emergency landing gear extension control consists of a hand pump and a by-pass
selector.
This control is accessible by removing the floor panel located aft of the pedestal.
After bypass selector closing, hand pump operation sends hydraulic fluid directly into
landing gear actuators ; landing gear full extension and locking requires up to
110 cycles.
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