Commonwealth legislation

AD/MU-2/46 - Anti-Ice and De-Ice Systems

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

The AD requires owners/operators and maintenance organisations of Mitsubishi MU-2 aeroplanes to perform an operational check of airframe and engine anti-ice/de-ice systems at every 100‑hour maintenance interval, using procedures in Chapter 9 of the MU‑2 Maintenance Manual.

Issued after an accident investigation and surveillance showing ice buildup and frequent unserviceability, it drives routine detection and repair, adds recurring inspection and repair costs, and creates dependence on the referenced manual for procedural detail.

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AD/MU-2/46 - Anti-Ice and De-Ice Systems

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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 Mitsubishi MU-2 Series Aeroplanes

AD/MU-2/46 Anti-Ice and De-Ice Systems 5/90

Applicability: Model MU2.

Requirement: Carry out an operation check of the airframe and engine anti-ice and de-ice systems in accordance with Chapter 9 of the MU2 Maintenance Manual.

Compliance: At each 100 hour maintenance interval.

Background: A recent accident investigation revealed that ice accumulation may have been a contributing factor. A surveillance of the M2 fleet revealed an unacceptably high incidence of anti-ice and de-ice systems unserviceability.

Source text

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