Series 1

First production version, 8 built
Prototype de Haviliand 125 at the Midland Air Museum

Series 1A/1B

Series 1 aircraft with Bristol Siddeley Viper 521 engines. 1A are built to American standards, 1B to UK standards

Series 2

RAF trainer known as the Dominie T. Mk1

Series 3

upgraded engines

Series 400

upgraded engines. RAF’s liaison aircraft became the CC. Mk1

Series 600

3 ft 1in fuselage stretch to increase capacity to 14. RAF version CC. Mk 2

Series 700

G-IFTE
257037 BAe125-700B Brussels 13 May 2007
Honeywell TFE731-3RH turbofan engines. F/f 19 June 1976 . RAF version CC Mk. 3

Series 800

Increased wingspan, new nose, tail fin extension, upgraded engines

Series 800XP

TFE731-5BR1H turbofan engines

Series 800XPi

Series 800XP with interior updates.

Series 800SP

800A/B with retro fitted winglets

Series 800XP2

800XP with retro fitted winglets

Series 850XP

800XP with factory installed winglets and interior updates

Series 900XP

850XP with TFE731-50R engines (increased hot/high performance and longer range)

Series 750

800XP with a light-weight interior and heated baggage compartment in place of the ventral fuel tank

Series 1000

2ft 9in fuselage stretch, seating 15 people. Pratt & Whitney Canada PW-305 turbofans, F/f 16 June 1990, 52 built.