Document ID: chunk:federal_register_of_legislation:F2006B09141:body:0
Version: federal_register_of_legislation:F2006B09141
Segment Type: other
Provision Reference: 
Character Range: 0–1166

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

 DHC-6 (Twin Otter) Series Aeroplanes

AD/DHC-6/52 Windscreen Washer/De-Icing System -
Discontinued Use of Isopropyl Alcohol

 10/82

            Applicability: All DHC-6 aircraft incorporating windscreen washer/ de-icing system using isopropyl alcohol.

             Requirement: 1. The use of 50/50 mixture or 100 percent isopropyl alcohol to be discontinued for the windscreen washer/de-icing system.

2.    Only proprietary type fluids such as those specified in De Havilland of Canada SB 6/422, or as otherwise approved by the Department of Aviation shall be used.

3.    Removal of label located above windscreen washer/de-icing system reservoir which indicates filling requirements using isopropyl alcohol.

            Note: Canadian Airworthiness Directive No. CF-82-20 refers.

 Effective: Forthwith.

            Background: An in-flight fire may have been caused by a faulty connection in the windscreen washer/de-icing system which allowed isopropyl alcohol to escape into the flight compartment area.