Mark 46, Mod 5

• Primary Function: Air and ship-launched lightweight torpedo^[3]
• Contractor: Alliant Techsystems
• Power Plant: Two-speed, reciprocating external combustion; Mono-propellant (Otto fuel II)
• Length: 8 ft 6 in (2.59 m) tube launch configuration (from ship),^[4] 14 ft 9 in (4.5 m) with ASROC rocket booster^[3]
• Weight: 508 lb (231 kg)^[3] (warshot configuration)
• Diameter: 12.75 in (324 mm)^[4]
• Range: 12,000 yd (11 km)^[3]
• Depth: > 1,200 ft (365 m)
• Speed: > 40 knots (46 mph, 74 km/h)^[3]
• Guidance System: Homing mode: Active or passive/active acoustic homing^[4]
• Launch/search mode: Snake or circle search
• Warhead: 96.8 lb (44 kg)^[3] of PBXN-103 high explosive (bulk charge)
• Date Deployed: 1967 (Mod 0);^[3] 1979 (Mod 5)

Yu-7 variant[edit]

The Chinese Yu-7 torpedo is said to be based on the Mk 46 Mod 2.^[5] Currently, the Chinese Navy use the Yu-7 ASW torpedo, deployed primarily on ships and ASW helicopters.^[6]