SECTION 3
EMERGENCY PROCEDURES
SOCATA
MODEL TB 20
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socata
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June 30, 1988
Revision 8
3.11
LANDING GEAR FAILS TO EXTEND (ONE OR SEVERAL GREEN GEAR
DOWN LIGHTS FAIL TO ILLUMINATE)
Main switch
ON
Landing gear lever
DOWN
”LDG GEAR” circuit breaker
CHECK CLOSED
Landing gear lights
ILLUMINATE DURING
TEST
Flaps
TAKE–OFF
Airspeed
97 KIAS
The landing gear should extend and lock normally.
If this does not happen :
Landing gear lever
UP
”LDG GEAR” circuit breaker
OPEN
Landing gear lever
DOWN
Emergency landing gear control
PULLED
Gear down (green) lights
ON
Gear in transit (red) light
OFF
If all electrical power has been lost, the landing gear must
be extended using the above procedures. The gear
position indicator lights will not illuminate.
Normal landing.
ONE OR SEVERAL LANDING GEAR (GREEN) LIGHTS FAIL TO
ILLUMINATE DURING TEST CARRIED OUT IN THE PREVIOUS
PROCEDURE
Yaw/slip airplane to help lock gear down
Gear in transit (red) light
OFF
Gear in transit (red) light
ILLUMINATES
DURING TEST
The affected indicator green light bulb should be burnt out :
Landing gear position
CHECK DOWN
POSITION WITH THE TOWER
Precautionary landing
