British Aerospace 125

The executive jet that established Britain’s presence in business aviation.

Overview

BAE Systems United Kingdom ICAO: H25B 1930–2013 Active $12.9 million (1995)

The British Aerospace 125 originated in the early 1960s as a twin-engine business jet. It became one of the most successful British-built executive aircraft. The platform evolved through multiple variants over decades.

Live Fleet Activity (H25B)

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Specifications

Units
Engine
2 × Rolls-Royce Viper 601-22
Engine type
-
Thrust
2 × 3,750 lbf · 17 kN
Avionics
Collins Pro Line 21 avionics suite
Wing tips
No winglets
Seats
14
Crew
—
Cabin width
5 ft 11 in  ·  1.80 m
Cabin height
5 ft 9 in  ·  1.75 m
Cabin length
21 ft 4 in  ·  6.50 m
Exterior length
50 ft 6 in  ·  15.40 m
Tail height
17 ft 3 in  ·  5.26 m
Fuselage diameter
6 ft 1 in  ·  1.85 m
Wing span
47 ft 0 in  ·  14.33 m
Baggage volume
—
Gross weight
—
Empty weight
—
Max takeoff weight
25,000 lb  ·  11,300 kg
Max landing weight
22,000 lb  ·  10,000 kg
Max payload
3,750 lb  ·  1,700 kg
Fuel capacity
1,420 gal · 5,400 L · 4,300 kg (Jet A)
Max cruise speed
320 kt  ·  368 mph  ·  593 km/h
Maximum speed
—
Cruise speed
—
Approach speed
83 kt  ·  96 mph  ·  154 km/h
Range
1,560 nm  ·  1,800 mi  ·  2,890 km
Fuel burn
—
Ceiling
41,000 ft  ·  12,500 m
Rate of climb
4,900 ft/min  ·  25 m/s
Takeoff distance
5,350 ft  ·  1,630 m
Landing distance
3,400 ft  ·  1,040 m
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BAe 125-800SM- JASDF

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Operational Context

British Aerospace 125 — twin-engine business jet

The 125 first flew in 1962 and entered service in 1964. It featured a low-wing configuration and rear-mounted turbofan engines. The aircraft was designed to provide reliable executive transport with comfortable cabin space.

Powered by various turbofan engines depending on variant, typically producing between 3,000 and 4,500 pounds of thrust (13 to 20 kN) each, the 125 cruised at around 430 to 450 knots (796 to 833 km/h). Maximum takeoff weight exceeded 25,000 pounds (11,340 kg) in later versions. Cabin layouts accommodated six to nine passengers.

The 125 formed the basis of later Hawker business jets. It served corporate, government, and military operators worldwide. Production spanned decades with continuous improvements.