First fuel-injected CTLSi flying

After an introduction of the new fuel-injected Rotax 912 iS engine to European and American markets earlier this year, the Austrian engine company is now in full-scale production of the upgraded engine. Flight Design has been working diligently with the new powerplant and upgrades for it, according to company officials, who report a group of 912 iS-powered CTLSi aircraft are landing in America.

Despite the effects of Sandy around New York City, where Flight Design USA Light-Sport Aircraft make landfall, the first of CTLSi aircraft have arrived in the Northeast U.S., Florida, the Midwest, and the West Coast. CTLSi, with the small ‘i’ in the model name designating the fuel-injected engine, is the main attraction at present though the carbureted 912 ULS engine remains available for those preferring this well-proven engine.

Expectations were high for improved fuel economy — 20% was projected from the manufacturer’s testing — along with other improvements. Lone Mountain Aviation president Kenny Scherado said, “We received and assembled one of the first CTLSi aircraft with the new Rotax powerplant. Besides the fuel economy,” Scherado observed. “The CTLSi with the 912iS engine runs smoother and starts easier.”

As with all Rotax engines, 91-octane automobile gasoline works very well at lower cost. The engine can also use 100 LL avgas or can mix either in any proportion, company officials noted.

“We now have several CTLSi aircraft equipped with the Rotax 912iS engine in the USA and more en route from Germany,” said Flight Design USA President Tom Peghiny. “Early reports from our dealers across the country are a strong indication of the popularity we can expect from the CTLSi.”

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