Commonwealth legislation

AD/ROTAX/4 - Electronic Module With "Pi" Filter

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This airworthiness directive requires owners/operators of Rotax 912A engines (serial numbers 4,076,064–4,380,753) to replace the electronic ignition module P/N 965 356 with P/N 965 358, following Bombardier Rotax Technical Bulletin 912‑08. Compliance must occur at the next 100‑hour inspection or by 1 March 1996. The stated purpose is to reduce engine performance loss or cut‑out caused by electromagnetic interference (EMI).

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AD/ROTAX/4 - Electronic Module With "Pi" Filter

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Rotax Piston Engines

AD/ROTAX/4 Electronic Module With  Filter 2/96

Applicability: This Directive is applicable to all 912A series engines from serial number 4,076.064 to serial number 4,380.753 inclusive.

Requirement: Replace the electronic ignition module part number 965 356 with part number 965 358 in accordance with Bombardier Rotax Technical Bulletin 912-08 dated 16 August 1995.

Note: Austro Control (Austria) AD 84 dated 4 October 1995 refers.

Compliance: At the next 100 hour inspection, but not later than 1 March 1996.

Background: Electronic modules with integrated pi filter protect the ignition from electromagnetic interference. EMI tests have revealed that poor engine performance, or engine cut- out, could result in areas of heavy radio transmission.

Source text

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