The Beechcraft Model 99, aka the Beech 99 Airliner or Commuter 99 is a civilian aircraft which was produced by the company. It has twin-engine turboprop unpressurized 17 seat/15 passenger wings and sub-systems from both with its own unique nose structure on it that only appears in this model of plane. Following shortly after came two more variants – The A99 and B99 but they were also available as executive versions powered by Pratt & Whitney Canada PT6A-27 engines