Document ID: chunk:federal_register_of_legislation:F2006B10869:body:0:p2
Version: federal_register_of_legislation:F2006B10869
Segment Type: other
Provision Reference: 
Character Range: 2995–4716

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.

 1.   RESCUE WINCH Switch ————————————— OFF 2.   BUS TIE Switch ————————————————— OFF 3.    PWR SEL Switch ————————————————  OFF
4.                   GENERATOR I Switch —————————————— OFF

5.                   Cut any unnecessary load if the load of the generator exceed 150 Amps.

6.                   Land as soon as possible.

7.                   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

RESCUE WINCH MAIN SWITCH OFF.

               Annex B

               UNCONTROLLABLE WINCH PROCEDURES
                 BK117 Helicopters Serial Numbers 1009, 1025 and subsequent

 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.

       1. RESCUE WINCH Switch ————————————— OFF

2.                   No. 1 BUS TIE Switch ——————————————— OFF

3.                   GENERATOR I Switch —————————————— OFF

4.                   Cut any unnecessary load if the load of the generator exceed 150 Amps (200 Amps for Model BK117 C-1).

5.                   Land as soon as possible.

6.                   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
 RESCUE WINCH MAIN SWITCH OFF.