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| In 1961, de Havilland began working on a revolutionary small business jet known as DH.125 Jet Dragon. The first of two prototypes flew on 13 August 1962 with Rolls-Royce Viper 20 engines producing 1350kg of thrust each. The first production aircraft had a 0.9m greater wingspan and 1.2m longer fuselage as well as Viper 520 engines.
The aircraft went through many designation changes during its service life. Originally DH.125, it was renamed to HS.125 when de Havilland became a part of the Hawker-Siddeley group. When Hawker-Siddeley itself merged into British Aerospace in 1977, the name was changed to BAe 125. Then, when British Aerospace sold its Business Jets Division to Raytheon in 1993, the jet acquired its current monicker Raytheon Hawker. In 1996, production was transferred to United States.
Over 1,000 aircraft have been built.
 | A three-view drawing (800 x 533) |
| CREW | 1 |
| PASSENGERS | 6-8 |
| ENGINE | 2 x BS "Viper 521", 13.9kN |
| WEIGHTS |
| Take-off weight | 9300 kg | 20503 lb |
| Empty weight | 5900 kg | 13007 lb |
| DIMENSIONS |
| Wingspan | 14.3 m | 47 ft 11 in |
| Length | 14.6 m | 48 ft 11 in |
| Height | 5.0 m | 16 ft 5 in |
| Wing area | 32.8 m2 | 353.06 sq ft |
| PERFORMANCE |
| Cruise speed | 757 km/h | 470 mph |
| Range w/max.fuel | 2780 km | 1727 miles |
| Range w/max payload | 2500 km | 1553 miles |
| larry, e-mail, 24.09.2010 03:50 i would like to know to serial number 235051 dh125, i flew this airplane from 1968 to 1971. i can't find its history. reply | | fakhruddin basar, e-mail, 16.08.2010 22:40 hi sir, i am a 6th semester student from Malaysian Institute of Aviation Technology. I'm doing a research about removing /installation engine of this a /c. i would like to request tooling manual of this a /c for my research..would you provide me the manual or tell me where can i get that manual..
thank you for your attention and help.
fakhruddin basar reply | | maroof azam, e-mail, 21.05.2010 13:14 Hi sir,
i am final year student of ame from hindustan institute of aeronautics BHOPAL in INDIA. I am interested to work in viper-522 engine. I have already six month experience on this engine. sir if you mind i want to work in your industry as a maintenance engineer. please give me a chance to work on. i am also thanksful for this kind act.. reply | | febin, e-mail, 23.02.2010 16:25 hi sir
i am a 4th sem ame student in faa hyderabad .i would be very glad if i can have a sketch of viper engine and its components,especially layout of fire extinguishing,oil and fuel systems reply | |
| | vishal pandey, e-mail, 07.12.2009 08:10 hello sir,
myself vishal pandey,a technician in an AMO.i am working on HS-125 aircraft fitted with viper-522 engine.i need a ramp servicing course document or any similar document through which have a good idea for the maintenance of the aircraft.
seeking for your kind attention and help.
vishal pandey reply |
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