Research various aircraft manufacturers? Hawker BeechCraft It combines two of aviation's most ¬storied names. In 1937, Walter Beech introduced the Model 18, arguably the first cabin-class twin-engine business airplane. In 1964, Beech had debut the twin-turboprop King Air, which remains in production to this day. Raytheon bought Beech in 1980 and added the UK's Hawker brand to the fold. It sold the company in 2007 to an investment group led by Goldman Sachs. Hawker Beechcraft pioneered the use of composites in business aircraft construction, including in the current Premier 1A and Hawker 4000 business jets.