Commonwealth legislation

AD/MCH/6 - Pitot Head Assembly - Modification

RepealedCTH

This Act has been repealed and is no longer in force. It is retained for historical reference.

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

What this does: This is a safety directive requiring a specific modification to the airspeed measurement system on Aero Resources J2 series gyroplanes. It mandates installing a pitot tube (the external sensor that measures how fast the aircraft is flying) that is less sensitive to yaw (sideways movement). This ensures the airspeed indicator shows accurate readings even when the aircraft is in a sideslip (flying slightly sideways).

Who it affects: Owners and operators of all Aero Resources model J2 gyroplanes seeking to obtain or maintain a Certificate of Airworthiness.

What you must do: Before the aircraft can be certified as airworthy, you must install an approved low-yaw-sensitivity pitot tube assembly positioned to give the most accurate readings during sideslip conditions. You can comply by following the modification scheme shown in Hawker de Havilland Aircraft drawing No. 26-D-4, which has been pre-approved by the Secretary (the relevant government authority).

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AD/MCH/6 - Pitot Head Assembly - 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 Aero Resources J2 Series Gyroplanes

AD/MCH/6 Pitot Head Assembly - Modification 10/74

Applicability: All model J2.

Requirement: Install an approved low yaw sensitivity pitot tube assembly, in a position to give the most accurate A.S.I. readings under sideslip conditions, to a scheme approved by the Secretary.

Note: Modification to Hawker de Havilland Aircraft Pty. Ltd. drawing No. 26-D-4 is an acceptable means of compliance.

Compliance: Before issue of a Certificate of Airworthiness.

Source text

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