The type obtained certification in late 1992, when deliveries of aircraft to customers also began. The first customer to receive a CRJ100 was the German airline Lufthansa.
CRJ100/200; this aircraft is nevertheless small. It is 26.77 metres long, has a wingspan of 21.21 metres and a height of 6.22 metres. It is, however, its economy of operation that places it on a par with larger aircraft. Its average speed is 820km/h and average fuel consumption at this speed is 1000 kg/h. The comfortably designed passenger cabin can seat 48 or 50 passengers. During the flight, passengers sit comfortably in soft, ergonomically designed seats arranged in pairs on either side of a 40 cm aisle.