Commonwealth legislation

AD/BN-2/9 Amdt 4 - Empennage - Inspection and Modification

In ForceCTH

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Commonwealth

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legislative instrument

Plain English Summary

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This Airworthiness Directive requires all Pilatus Britten‑Norman BN‑2 aeroplanes to have the elevator trim‑tab installation modified and to undergo specified inspections and torque checks in accordance with Britten Norman technical leaflets and service bulletins. Owners/operators must pay for and schedule the work; paragraph 2 inspections may be performed and certified by the pilot‑in‑command. The instrument sets fixed compliance times (modification by 30 Sept 1971; recurring 50‑hour inspections after 28 Nov 1975; torque checks within 5 hours after 9 May 1974), creating recurring maintenance and certification obligations.

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AD/BN-2/9 Amdt 4 - Empennage - Inspection and Modification

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Pilatus Britten-Norman BN-2 Series Aeroplanes

AD/BN-2/9

Amdt 4

Empennage - Inspection and Modification NK

Applicability: All models.

Requirement: 1. Modify the elevator trim tab installation in accordance with Britten Norman Modification Leaflet No. BN-2/NB/M/507.

2. Perform the inspections detailed in Britten Norman SB No. BN-2/SB49.

3. Perform the additional torque inspections detailed in Britten Norman SB No. BN- 2/SB49A.

Note: The inspection detailed in para. 2 may be performed and certified by the pilot in command.

Compliance: For para. 1 - Before 30 September 1971.

For para. 2 - At intervals not exceeding 50 hours time in service after 28 November 1975. For para. 3 - Within 5 hours time in service after 9 May 1974.

Source text

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