Commonwealth legislation

AD/R44/4 - Placard to Prohibit Pushovers

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

Requires Robinson R44 helicopters to display a readable placard stating "LOW-G PUSHOVERS PROHIBITED" and to revise the Flight Manual to state "Low‑G cyclic pushovers are prohibited." It affects R44 owners, operators and pilots who must fit the specified placard and update manuals before further flight after 7 June 1995; the AD cites an FAA analysis that low‑G pushovers may cause mast‑bumping.

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AD/R44/4 - Placard to Prohibit Pushovers

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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 Robinson R44 Series Helicopters

AD/R44/4 Placard to Prohibit Pushovers 8/95 DM

Applicability: Model R44 helicopters.

Requirement: 1. Install a placard that contains the following statement in the helicopter in clear view of the pilots. The size and location of the placard must be such that it is clearly readable by the pilots:

LOW-G PUSHOVERS PROHIBITED

The placard specified in Robinson R44 SB 6 is an acceptable means of compliance, while a Dymo tape style placard is not.

A Flight Manual revision is required to the effect:

FLIGHT AND MANOEUVRE LIMITATIONS

Low-G cyclic pushovers are prohibited

Note: FAA Priority Letter AD 95-11-10 refers.

Compliance: Prior to further flight after 7 June 1995.

Background: A recent FAA analysis of manufacturers data indicated that a low-G cyclic pushover manoeuvre may result in mast-bumping on the Robinson Helicopter Company R44 helicopter.

Source text

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