Well, since we already have the CRJ-200 (SF variant too), CRJ-700 and the CRJ-1000 it would be obvious that only the CRJ-900 is missing and the last post about it was like 2 years ago.
General Info
The Bombardier CRJ-900 is a twin-engine regional jet aircraft produced by the Canadian company Bombardier Aerospace. It is derived from the Bombardier CRJ-700, and entered production in 2001.
Specifications
Crew: 2 Pilots
Passengers: 86-90
Length: 36.2 m (118 ft 11 in)
Wingspan: 24.9 m (81 ft 7 in)
Height: 7.5 m (24 ft 7 in)
Empty weight: 21,845 kg (48,160 lb)
Max take-off weight: 38,330 kg (84,500 lb)
Powerplant: 2 × General Electric CF34-8C5's
Performance
Max. Cruise speed: 830 km/h (448 knots)
Max. speed: 876 km/h (473 knots)
Endurance: around 4-5 hours?
Range: 2,871 km (1,550 nm)
Service ceiling: 12,496 m (41,000 ft)
(If you think i stole the base from JellyCoder's suggestion you'd be correct
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