FJ44

The FJ44 is a small two-shaft turbofan designed to power a new category of light business jets and training aircraft.

Rolls-Royce joined Williams International of the United States in 1989 to design, produce and support the two-shaft FJ44. The joint company, Williams-Rolls Inc., markets and supports the engine worldwide.

Compact and lightweight, the FJ44 brings the smoothness and economy of the turbofan to a sector of the aviation market previously served solely by turboprops.

The FJ44-1 gained its certification in 1992 and first production deliveries followed later that year. The original business jet application was the Cessna CitationJet, which entered service in 1993. It was replaced by the CJ1, which entered service in March 2000. The CJ2 entered service in December 2000. To date, 600 CitationJets, CJ1s and CJ2s have rolled out of the Cessna factory.

The Royal Swedish Air Force has received 245 FJ44s to re-engine its SK-60 trainers.

In 1994, Williams-Rolls Inc. launched a larger version of the engine, designated FJ44-2, which achieved certification in July 1997.

Williams-Rolls Inc. holds orders for FJ44-2 engines, from Raytheon Aircraft for the Beechcraft Premier I aircraft, Sino Swearingen for the SJ30-2, and from Cessna for the CJ2.