COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 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. Pilatus Britten Norman BN-2 Series Aeroplanes AD/BN-2/73 Emergency Exit Window 13/2001 DM Applicability: All Model BN-2 Series aircraft. Requirement: Inspect in accordance with B-N Group Service Bulletin SB 277. Note: UK CAA AD 001-08-2001 refers. Compliance: Within 10 flight hours after the effective date of this Directive, unless already accomplished. This Airworthiness Directive becomes effective on 7 November 2001. Background: A report was received from the UK Air Accidents Investigation Board of an emergency exit window that could not be fully opened due to required sealant incorrectly applied. David Alan Villiers Delegate of the Civil Aviation Safety Authority 31 October 2001 The above AD is notified in the Commonwealth of Australia Gazette on 7 November 2001. Page 1 of 1