CRJ100/200 CL-600-2B19 (Regional Jet Series 100/200/440) – maximum of 50 passenger seats CRJ700 series CL-600-2C10 (Regional Jet Series 700/701/702), marketed as the CRJ700 - maximum of 78 passenger seats CL-600-2D15 (Regional Jet Series 705), marketed as the CRJ705 - maximum of 75 passenger seats CL-600-2D24 (Regional Jet Series 900), marketed as the CRJ900 - maximum of 90 passenger seats CL-600-2E25 (Regional Jet Series 1000), marketed as the CRJ1000 - maximum of 104 passenger seats On February 6, 2019, Bombardier launched the CRJ550, based on the CRJ700, with 50 seats in three classes.[5] The launch customer, United Airlines, ordered 50 aircraft configured with 10 first class, 20 Economy Plus and 20 economy seats, to be delivered later in 2019.[6] - 50 passenger seats