Eclipse Aviation Corporation was the Albuquerque New Mexico-based manufacturer of the Eclipse 500 very light jet (VLJ) and also at one time proposed developing the Eclipse 400 single-engined jet. The company was founded in 1998 by former Microsoft employee Vern Raburn. Due to Raburn's relationship with Microsoft Bill Gates was a major stake-holder in the Eclipse project. Production of the Eclipse 500 was halted in mid-2008 due to lack of funding.