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Lycoming offers more power to IO-360 ownersLycoming offers more power to IO-360 owners

Owners of Cessna Cardinals, Piper Arrows, and certain Mooney models can look for a slight bump in power with the installation of a new Lycoming IO-390 engine. Lycoming certified the new higher horsepower replacement engine in June. It has already received a supplemental type certificate (STC) to install the 210-hp engine in the Cardinals, replacing the traditional IO-360. Meanwhile, Lycoming is pursuing an STC for the Mooney M20 series of aircraft and is considering a similar program for the Piper Arrow.

Since announcing the IO-390 last year at AirVenture, the company has already delivered 175 engines to the Experimental market. The IO-390 weighs between 312 and 315 pounds while delivering 210 hp at 2,700 rpm but fitting in the same footprint as the 200-hp IO-360.

Lycoming is scheduled to begin ground, taxi, and flight testing of the production version of its IO-233-LSA engine for the light sport aviation segment immediately after AirVenture. Also announced at last year’s AirVenture, the 233-LSA engine is expected to have an output of 116 hp. Noncertified engines are expected to begin shipping in late 2009 with certified versions shipping in early 2010.

Thomas B. Haines

Thomas B Haines

Editor in Chief
AOPA Editor in Chief Tom Haines joined AOPA in 1988. He owns and flies a Beechcraft A36 Bonanza. Since soloing at 16 and earning a private pilot certificate at 17, he has flown more than 100 models of general aviation airplanes.

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