K745 Blue Shark
South Korean light anti-submarine torpedo
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The K745 Blue Shark (Korean: 청상어; RR: Cheong-sang-eo) is a lightweight anti-submarine torpedo developed for the Republic of Korea Navy in 2004.[1]
| K745 Blue Shark K745 청상어 경어뢰 | |
|---|---|
A scale model of a Blue Shark lightweight torpedo | |
| Type | Lightweight ASW torpedo |
| Place of origin | South Korea |
| Service history | |
| Used by | See Operators |
| Production history | |
| Designer | Agency for Defense Development |
| Designed | 1995 |
| Manufacturer | LIG Nex1 |
| Produced | 2005–present |
| Specifications | |
| Mass | 280 kg |
| Length | 2.7 m |
| Width | 0.32 m |
Operational range | 19 km |
| Maximum speed | 45+ knots (83+ km/h) |
Guidance system | Acoustic |
Launch platform | Vessel / aircraft / helicopter |
Development

The Blue Shark torpedo can be deployed from surface ships, ASW helicopters and maritime patrol aircraft. Production cost for each torpedo is about ₩ 1,000,000,000.[2]
Blue Shark torpedoes are fitted to the Incheon, Daegu- and Chungnam classes of frigates[3] as well as to the Sejong the Great-class of destroyers. It is exported to the Philippines as part of the acquisition process for both the Jose Rizal-class,[4] and Miguel Malvar-class frigates and Augusta-Westland AW159 helicopters.
Variants
Operators
See also
- K731 White Shark
- K745A1 Red Shark
- K761 Tiger Shark
Weapons of comparable role, performance and era
- APR-3E torpedo - Russian equivalent
- Mark 54 Lightweight Torpedo - US Navy's equivalent
- A244-S - Italian equivalent
- MU90 Impact - French/Italian equivalent
- Sting Ray (torpedo) - British equivalent
- TAL Shyena - Indian equivalent
- Yu-7 torpedo - Chinese equivalent
- Type 97 light weight torpedo (G-RX4) - Japanese equivalent