COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

DHC-2 (Beaver) Series Aeroplanes

AD/DHC-2/26 Passenger Seats and Passenger Seat

Attachment Fittings

Applicability: All models fitted with passenger seats.

4/89 DM

Requirement: 1. Remove from service any passenger seat assembly that cannot be identified as being manufactured in accordance with a drawing approved by De Havilland Canada or a drawing approved under Air Navigation or Civil Aviation Regulations

2. Inspect the floor and the seat for any corrosion of the seat attachment fittings and for correct operation and locking.

Compliance: 1. Prior to further flight after 1 March 1989.

2. Prior to further flight after 1 March 1989 and thereafter before each seat installation and every three months whilst seats are installed.

Background:  The investigation that followed a fatal accident has revealed that failed passenger seats were of sub-standard manufacture, were not approved in accordance with Air Navigation or Civil Aviation Regulations and that the seats had not been properly locked into the floor due to severely corroded fittings.