Mark 43 torpedo

Mark 43 torpedo
Mark 43 torpedo mounted on an AD Skyraider
Type	Antisubmarine torpedo
Place of origin	United States
Service history
In service	1951–57
Used by	United States Navy Royal Navy
Production history
Designer	Brush Development Company Naval Ordnance Test Station Pasadena
Designed	1950
Manufacturer	Brush Electronics Company
Produced	1951–59
Number built	5000
Variants	Mark 43 Mod 1 Mark 43 Mod 3
Specifications
Weight	265 pounds (Mod 3)
Length	91.5 inches
Diameter	10 inches
Effective firing range	4500 yards (Mod 3) (6-minute search duration)
Warhead	Mk 100, HBX (Mod 3)
Warhead weight	54 pounds (Mod 3)
Detonation mechanism	Mk 19 Mod 13 contact exploder
Engine	Electric
Speed	21 knots (Mod 3)
Guidance system	Helix search
Launch platform	Helicopters, fixed-wing aircraft, and surface ships

The 10" Mark 43 torpedo was the first and smallest of the United States Navy light-weight anti-submarine torpedoes. This electrically propelled 10-inch (25-cm) torpedo was 92 inches (2.3 m) long and weighed 265 pounds (120 kg). Described as "a submersible guided missile", the torpedo was designed for air or surface launch. The Mod 0 configuration was designed for launch from helicopters or fixed-wing aircraft, and the Mod 1 configuration was for helicopters only. Both were electrically driven and deep-diving, but had relatively short range. They were classified as obsolete in the 1960s.

The Royal Navy purchased fifty examples of the Mark 43 in favour of an improved version of their 18 inch Mark 30 "Dealer B"

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