AD/RAD/21 Instrument Landing Systems (ILS) Instrumentation Cancelled (Cth)

AIRWORTHINESS DIRECTIVE

On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive AD/RAD/21.

Radio Communication and Navigation Equipment

AD/RAD/21 Instrument Landing Systems
(ILS) Instrumentation 4/2009

Requirement:

CANCELLED.

This AD is cancelled on 9 April 2009.

Background:

This unique Australian AD was raised in1969 applicable to airborne ILS installations completed or modified after 15 April 1969 provided an operational requirement that Localiser and Glideslope information displayed simultaneously on any one indicator shall always relate to the same instrument landing system.

Compliance was before 15 April 1969.

Given the extended period this AD has been promulgated as an operational requirement, this AD is considered to be no longer required.

James Coyne
Delegate of the Civil Aviation Safety Authority

19 February 2009