# Airworthiness Directives; AeroSpace Technologies of Australia Limited (Formerly Government Aircraft Factories), Nomad Models N22S, N22B, and N24A Airplanes
> **Rule** · Final rule. · Published 1997-05-01 · Effective 1997-06-23 · 62 FR 23640
## Document
- **Document number:** 97-10883
- **Category:** airworthiness
- **Manufacturer:** AeroSpace Technologies of Australia Limited (Formerly Government
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 62 FR 23640
- **Publication date:** 1997-05-01
- **Effective date:** 1997-06-23
- **FAA docket:** Docket No. 95-CE-31-AD
## Abstract

This amendment supersedes Airworthiness Directive AD 82-25-09 which currently requires repetitively inspecting the pilot and co-pilot control wheel sub-assemblies for cracks, and if cracked, modifying the cracked part on the AeroSpace Technologies of Australia, Limited (ASTA), formerly Government Aircraft Factories (GAF) Nomad Models N22S, N22B, and N24A airplanes. This action would retain the repetitive inspection of the pilot and co-pilot control wheel sub-assemblies for cracks, but would include a modification that would terminate the repetitive inspections by replacing or re-working the control wheel sub-assembly with a part of improved design. This superseding action is prompted by cracking in the control wheel sub-assemblies and the manufacture of an improved part that would terminate the repetitive inspection. The actions specified by this Ad are intended to prevent failure of the pilot's and co-pilot's control wheels, which, if not detected and corrected, could result in loss of control of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/05/01/97-10883/airworthiness-directives-aerospace-technologies-of-australia-limited-formerly-government-aircraft)
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