Commonwealth legislation

AD/RAD/44 - Collins DME-42 Distance Measuring Equipment

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Commonwealth

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legislative instrument

Plain English Summary

2/10 complexity

This instrument mandates a retrofit to Collins DME‑42 units (P/N 622‑6263‑002) per Rockwell Collins Service Bulletin DME 42 No. 6 to correct a software/tuning fault that can produce erroneous DME displays.

It affects aircraft owners/operators who have—or plan to fit—these units: they must arrange and bear costs/timing of the modification or avoid fitting unmodified units to remain compliant.

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AD/RAD/44 - Collins DME-42 Distance Measuring Equipment

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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AD/RAD/44 Collins DME-42 Distance Measuring Equipment 3/87

Applicability: Collins Model DME-42 part number 622-6263-002 Distance Measuring Equipment. Requirement: Modify in accordance with Rockwell Collins Service Bulletin DME 42 No. 6, dated

15 October 1986.

Note: FAA AD 86-22-10 refers.

Compliance: If fitted to an aircraft - within 25 hours time in service after 12 March 1987 or prior to 12 May 1987, whichever occurs first. Otherwise - before fitment to an aircraft.

Background: The software incorporated in -002 units can cause erroneous display of DME information because of tuning errors.

Source text

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