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The purpose of this CAN is to notify MD369 helicopters operators and maintenance providers of occurrences recently reported to CAA of finding duplex bearing distress in numerous MD369 Tail Rotor Gearboxes (TRG).

Airworthiness Directive notice

CAA NZ CAN 27-025 Rev1

Published: 26 September 2023

The CAA has received a report of an incident where the co-pilot cyclic control stick on an AS 350 helicopter was inadvertently installed incorrectly (180 degrees out). The CAN has been revised to include AS 355 series.

Airworthiness Directive notice

Rules for carriage of personnel involved in firefighting activities finalised

Published: 16 Jul 2025

We have updated the Part 138 Aerial Work Operations Manual of Standards (MOS). The amendments allow aerial work certificate holders to use helicopters to transport ground personnel in certain circumstances, instead of using the air transport rules.

News

Aerial application review

Review fire-bombing requirements under the helicopter low-level rating, alongside broader enhancements to low-level and aerial application operations.DeliverablesUndertake a scoping activity to determine deliverable phases and to plan likely…

Publication initiative

The CASA Briefing - November 2024

Published: 6 November 2024

In this month’s CASA Briefing, find out about our new Part 61 guide for flight crew licensing (helicopter category) plain English guide, have your say on accidental laser emissions, get hot tips for the fire season, read the CEO column and more!

CASA Briefing

Part 173 Manual of Standards

Commences: 15 March 2017

Part 173 (Instrument flight procedure design) MOS 2020. Topics include: contents of operation manual; design personnel including certified and authorised designers; approved instrument flight procedure design courses; documentation and reference…

Legislative Instruments Manual of Standards Air traffic management systems Part 173 of CASR

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