Commonwealth legislation

AD/CESSNA 320/29 Amdt 1 - Powerplant Fire Detection System - Installation

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legislative instrument

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This Airworthiness Directive requires owners/operators of all Cessna 320 series aeroplanes to install a powerplant fire‑detection system that meets a specification acceptable to the Secretary and to include adequate maintenance instructions in the approved maintenance system. Compliance was required by 1 April 1983. Owners/operators pay for installation and maintenance changes; the Secretary exercises discretion over acceptable specifications (the AD accepts systems complying with US FAR Part 23 §1203). The AD also recommends considering audible warnings and fire‑extinguishing systems (ANO 101.4 para 6.14).

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AD/CESSNA 320/29 Amdt 1 - Powerplant Fire Detection System - Installation

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Cessna 320 Series Aeroplanes

AD/CESSNA 320/29

Amdt 1

Applicability: All models.

Powerplant Fire Detection System - Installation

9/84

Requirement: 1. Install a powerplant fire detection system complying with a specification acceptable to the Secretary.

Ensure that maintenance instructions for the system are adequately detailed in the approved maintenance system for the aircraft.

Note 1: Fire detection systems which have been shown to comply with paragraph 1203 of Part 23 of the US Federal Aviation Regulations are acceptable as complying with this Airworthiness Directive.

Note 2: It is recommended, in the interest of safety, that when complying with this Directive, consideration be given to the installation of both audible fire warning devices and fire extinguishing systems. A suitable standard for this can be found in ANO 101.4 Para 6.14.

Compliance: Before 1 April 1983.

Background: a. This Directive has been amended in order to clarify the intent of Note 2 in the Requirement.

b. Hot gas escaping from failed exhaust manifolds has caused serious structural damage to nacelles and wings. This damage may remain undetected in flight with potentially fatal results. In order to reduce this threat fire detectors are to be installed.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

1 AD/CESSNA 320/29 Amdt 1 - Powerplant Fire Detection System - Installation