De Havilland Canada Dash 8
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DeHavillandDHC-8-102-06.jpg
The de Havilland Canada DHC-8, popularly the Dash 8, is a series of twin-turboprop airliners designed by de Havilland Canada in the early 1980s. They are now made by Bombardier Aerospace which purchased DHC from Boeing in 1992. Since 1996 the aircraft have been known as the Q Series turboprops, due to new engines that are quieter.
The Dash 8 was the first of several new, efficient turboprop airliners developed during the 1980s. De Havilland Canada initiated development in of it 1980 as a replacement for the earlier four-engined Dash 7 turboprop airliner. First flight was in 1983, and the plane entered service in 1984.
All Dash 8s delivered from the second quarter of 1996 (including all Series 400s) include an active Noise and Vibration Suppression (NVS) system designed to reduce cabin noise and vibration levels to near those of jet airliners. To emphasize their quietness, Bombardier has renamed the Dash 8 models as the Q Series turboprops (Q100, Q200, Q300, and Q400).
Bombardier has singled out the Q400 for more aggressive marketing, launching a website [1] (http://www.q400.com) centred around the aircraft.
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Variants
There are several variants of the Dash 8.
- Series 100: Original 37-40 passenger version that entered service in 1984
- Series 200: Series 100 airframe with more powerful Pratt & Whitney Canada PW123 engines for improved performance
- Series 300: Stretched 3.4m over the Series 100/200, a 50-56 passenger version that entered service in 1989.
- Series 400: Stretched and improved 70-78 passenger version that entered service in 2000. 360kt cruise speed is 75kt higher than its predecessors. Powered by PW150A engines rated at 5,000shp at maximum power. Maximum operating altitude is 25,000 ft.
Competitors
Avions de Transport Régional
Fokker
- Fokker F50 50 seat successor to the Fokker F27 powered by PW124 engines. No longer in production.
Saab
- Saab 340 33-35 seats, General Electric 1,750shp CT79B engines (340B variant). Production ended in 1998.
- Saab 2000 50 seats, Rolls Royce AE2100 4,000shp engines, 360kt cruising speed. Production ended in 1999.
Fairchild Dornier
Dornier 328 32 seats, PW119 engines. No longer in production.
External links
- Bombardier Q Series (http://www.bombardier.com/index.jsp?id=3_0&lang=en&file=/en/3_0/3_1/3_1_2.html)
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