COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
PZL 104 (Wilga) Series Aeroplanes
AD/WILGA/2 Stall Warning System 2/95
All PZL-104 `Wilga 80’ aircraft.
Install a guard on the Stall Warning System automatic switch in accordance with PZL-Warszawa-Okecie Mandatory Service Bulletin 10493023.
This Service Bulletin has been classified as Mandatory by the General Inspectorate of Civil Aviation Poland.
Prior to 1 August 1995.
This Directive introduces measures whereby the Stall Warning System cannot be inadvertently switched off, preventing the operation of the acoustic warning horn.