COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Douglas DC4 Series Aeroplanes
AD/DC4/29 Fire Detector Guard - Installation NK
Applicability: All models.
Requirement: Install a guard over each Wilcolator fire detector in the baggage compartment which will adequately protect the unit from vertical and horizontal damage, but which will not impair the effectiveness of its heat detection.
Note: Figure 1 of this Order provides details of an approved type of guard.
or ANO 105.1.16.2.5.28.