Section 3 Pilot’s Operating Handbook
Emergency Procedures EXTRA 500
3-66 26. January 2011
5 No Three Greens
LANDING GEAR; Check DN
If still no three greens:
Emergency Extension; Perform
6 Emergency Extension
Airspeed; 110 KIAS
LANDING GEAR; DN
GEAR CTRL
Circuit Breaker; Pull
Gear Operation Lights; Check illumination
(three greens)
Land as soon as practical
If still no three greens:
Hydraulic System Reactivation; Perform
7 Hydraulic System Reactivation
In case landing gear emergency extension has failed (no
indication of green status lights), the reactivation of the
hydraulic system is advisable to stabilize landing gear, e.g. in
case of locking mechanism failure.
HYDR Circuit Breaker; Check in
GEAR-CTRL Circuit Breaker; Push in
Important
Landing should be performed by using one of the landing
emergency procedures.
Land as soon as practical
Warning
If no three green lights and thus landing gear is not locked
collapsing of landing gear is possible any times!
Support aircraft before working on the landing gear.
Caution Do not switch BATT OFF and thus deactivating the
hydraulic system before locking the landing gear hydraulic
actuator.
Landing Gear Hydraulic Actuator; (Prior
BATT OFF)
Lock with locking device
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