Austro AE330 TBO Climbs To 1,800 Hours

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Austro’s 180-HP diesel and Jet-A burning AE330 has received EASA approval to extend time between overhaul to 1,800 hours based on the engine’s operating history. Jurgen Heinrich, Managing Director of Austro Engine and Diamond Aircraft Austria, said, “Austro Engine products have proven their outstanding capabilities in versatile operation profiles all over the globe, generating countless stories of success for our partners. On a retrospective view, we are certainly proud of having set entirely new standards in engine reliability, quality and operational efficiency for our customers, whose appreciated involvement in continuous product and service improvements have been vital and the key to success.”

Diamond first started delivering AE330-powered DA62s with a TBO of only 1,000 hours, leaving customers to hope Diamond’s goal of a 2,400-hour TBO would come before TBO on their airplane. The AE330 is based on a Mercedes automotive diesel and is closely related to the AE300 used on Diamond Aircraft’s DA40NG and DA42. In cruise flight, each AE330 burns about 6 gallons of Jet-A per hour, significantly less than a comparably sized, traditional 100LL-burning engine. Diamond Aircraft told AVweb they expect a normal overhaul on the AE330 to be "just slightly above the overhaul costs on the AE300," which is about $25,000, so this extension saves operators of the DA62 around $22 per flight hour in overhaul costs. The TBO extension also applies to aircraft operating under FAA rules.

UPDATE: A previous version of this article stated that Diamond estimated the overhaul costs on the AE330 would be around $25,000. Diamond had actually told AVweb they would be just slightly more than $25,000.

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