OVERVIEW: The A44 is a South African lightweight, ship- and helicopter-launched acoustic torpedo developed in the 1980s as a localized modification of the U.S. Mk44 Mod. It was intended for anti-submarine warfare in regional maritime environments.

DETAILS: The A44 was developed by the Armaments Corporation of South Africa (Armscor) as a domestic adaptation of the U.S.-supplied Mk44 Mod 1 torpedo. South Africa acquired Mk44s prior to the 1977 UN arms embargo and later modified them to extend service life and adapt them to local operational conditions. The A44 retained the 324 mm caliber and electric propulsion system, with passive acoustic homing and a contact warhead fuze. Improvements reportedly focused on electronics and reliability, ensuring continued use aboard surface ships and maritime helicopters during the 1980s and 1990s.

TYPE: Lightweight passive acoustic-homing torpedo

FUNCTION: Once launched from a ship or helicopter, the A44 enters the water and begins a search pattern using passive sonar to detect submarine targets. Upon contact, it homes in on the target and detonates its warhead on impact.

NOTE:
IOC: 1956 (Mk44 base), 1980s (A44 South African mod)
Operators: South Africa
Platforms: President-class frigates, Strike Craft (Warrior-class), Westland Wasp HAS.1 helicopters
Conflict used in: No confirmed combat use
Manufacturer: Armscor (South Africa), based on General Dynamics (USA) Mk44

SOURCE:
Naval Institute Guide to World Naval Weapon Systems ; Federation of American Scientists (FAS): https://fas.org/man/dod-101/sys/ship/weaps/index.html ; South African Defence Industry Yearbook ; SIPRI Arms Transfers Database: https://armstrade.sipri.org