The AD Seaplane Type 1000 was designed by Harris Booth of the British Admiralty's Air Department just prior to World War I. It was the world's first aircraft designed from scratch as a torpedo bomber, and when it first flew, was the largest British aircraft yet to take to the air.

The aircraft was a float-equipped biplane of pod-and-boom design, with engines mounted at the front of both booms, as well as at the rear of the crew pod. Seven aircraft were ordered from J. Samuel White, but the performance of the first one delivered proved so poor that the other machines were cancelled.

Specifications (AD Seaplane Type 1000)

General Characteristics

• Crew: five
• Length: 64 ft 3 in (19.6 m)
• Wingspan: 115 ft (35.05 m)
• Height: ft in ( m)
• Wing area: ft² ( m²)
• Empty: 22,352 lb (10,160 kg)
• Loaded: lb ( kg)
• Maximum takeoff: 27,940 lb (12,700 kg)
• Powerplant: 1x Gnôme Monosoupape, 100 hp (75 kW)

Performance

• Maximum speed: 84 mph (135 km/h)
• Range: 553 miles (885 km)
• Service ceiling: 4,920 ft (1,500 m)
• Rate of climb: ft/min ( m/min)
• Wing loading: kg/m² ( lb/ft²)
• Power/Mass:

Armament (intended)

• 1x or 2x 14-in torpedoes

or

• 1x 12-lb gun

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