The Citation II is a lightweight twin-engine turbofan aircraft. Model belongs to business class. It recognized as an upgraded version of Citation I. The test flight was carried out in 1977. The maximum number of passengers it can accommodate is 10 people. The aircraft also has powerful Pratt and Whitney Canada JT15D4 engines, high speed and long range. It passed certification in 1978. 603 aircraft entered commercial production, and then the model was replaced with the Citation Bravo.