AD/JBK 117/21 Amdt 1 - Rescue Winch Operation (Cth)

AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/JBK 117/21 and issues the following AD under subregulation 39.1 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Kawasaki BK 117 Series Helicopters

AD/JBK 117/21 Amdt 1

Rescue Winch Operation 11/2004

Applicability: Kawasaki BK117 series helicopters, except for model BK117 C2, equipped with Rescue Winch System part number 117-83500-01.

Requirement: 1. If not accomplished earlier in accordance with AD/JBK 117/21, insert either Annex A or Annex B, as applicable by helicopter serial number, into Section 3 - Emergency and Malfunction Procedures of the Aircraft Flight Manual (AFM) Supplement No 10-16 - Rescue Winch System.

2. Modify the rescue winch power supply system in accordance with Kawasaki Heavy Industries Service Bulletin KSB-117-235 dated 2 August 2004 or later approved revision.

3. Remove the temporary AFM Supplement amendment inserted in accordance with either AD/JBK 117/21 or Requirement 1 of this Amendment.

Note: JCAB AD TCD-6482-1-2004 refers.

Compliance: For Requirement 1 - Before further flight after the effective date of this Directive. For Requirement 2 - Within six months after the effective date of this Amendment. For Requirement 3 - Before further flight after the accomplishment of the Requirement 2 modification.