AD/JBK 117/21 Amdt 1 - Rescue Winch Operation
UNCONTROLLABLE WINCH PROCEDURESUNCONTROLLABLE WINCH PROCEDURES
Start here
Get a plain-English read of UNCONTROLLABLE WINCH PROCEDURES
Turn the raw legal text into a practical explanation grounded in AD/JBK 117/21 Amdt 1 - Rescue Winch Operation.
UNCONTROLLABLE WINCH PROCEDURES
BK117 Helicopters Serial Numbers 1001 through 1024 except 1009
When up or down operation of the winch becomes uncontrollable, interrupt the supply of power to the motor and stop the winch operation in accordance with the following procedure:
The cable operation cannot be controlled.
-
RESCUE WINCH Switch ————————————— OFF 2. BUS TIE Switch ————————————————— OFF 3. PWR SEL Switch ———————————————— OFF
-
GENERATOR I Switch —————————————— OFF
-
Cut any unnecessary load if the load of the generator exceed 150 Amps.
-
Land as soon as possible.
-
Disconnect the Rescue Winch electrical connector, then re-supply power.
-
Note:
The power supply to the winch motor cannot be interrupted by the WINCH CONT circuit breaker or