AD/Z-242L/6 Airworthiness Limitations Permissible Aerobatic Manoeuvres (Cth)

AIRWORTHINESS DIRECTIVE

For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.001(1) of CASR 1998.  The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Moravan Zlin Z-242L Series Aeroplanes

AD/Z-242L/6 Airworthiness Limitations - Permissible Aerobatic Manoeuvres 6/2007 TX

Applicability:

Model Z 242L aircraft, serial numbers 0490, 0541, and 0651 through 0659.

Requirement:

Modify the Aircraft Flight Manual (AFM) in accordance with MORAVAN Mandatory Service Bulletin Z 242L/49a original issue, or later EASA approved revision.

Note:  EASA AD 2007-0110-E refers.

Compliance:

Before further flight after 25 April 2007.

This Airworthiness Directive becomes effective on 25 April 2007.

Background:

The installation of G-load monitoring units on some Model Z 42 series aircraft has revealed that during aerobatic manoeuvres, some aircraft exceeded the limit loads initially defined for certification.  As a consequence, to restore the safety margins of aircraft operated in utility category the AFM shall be modified in order to limit the permissible manoeuvres.

David Villiers
Delegate of the Civil Aviation Safety Authority

24 April 2007