"CASA is responding to a high, and increasing, rate of engine failures among aircraft that are powered by engines manufactured by, or under licence from, Jabiru Aircraft Pty Ltd (Jabiru). Such aircraft are referred to in this document as 'Jabiru powered aircraft'.

The issues appear to be the result of several failure modes, which require separate investigation.

CASA has formed the view that its functions under the /Civil Aviation Act 1988/ require it to mitigate certain risks to passengers, trainee pilots and persons on the ground.

Accordingly, while CASA works with Jabiru to identify the causes of these engine failures and to implement appropriate corrective actions, CASA proposes a set of operating limitations on Jabiru powered aircraft."

https://www.casa.gov.au/standard-page/consultation-draft-%E2%80%93-cd1425ss-0?WCMS%3ASTANDARD%3A%3Apc=PC_102279

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Time for an all aluminium  one rotor In Australia.

The Jabriu was based on the VW crank, rods and pistons I suspect.
There is not enough cylinder to cylinder spacing on a VW
to get adequate cooling fins on the heads.

I also suspect the through bolts are resonating.

The Australian aviation magazines are filled with
Jabriu products for sale.

Paul Lamar


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