HMS Trenchant (S91)
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| Career (UK) |  |
|---|---|
| Ordered: | March 22, 1983 |
| Laid down: | October 28, 1985 |
| Launched: | November 3, 1986 |
| Commissioned: | January 14, 1989 |
| Fate: | Active |
| General characteristics | |
| Displacement: | Surfaced: 4,740 tons Dived: 5,208 tons |
| Length: | 280.1 ft (85.4 m) |
| Beam: | 32.1 ft (9.8 m) |
| Draught: | 31.2 ft (9.5 m) |
| Propulsion: | Rolls-Royce PWR1 nuclear reactor 2 × GEC turbines 1 × shaft pump jet 15,000 hp (11 MW) motor for emergency drive emergency retractable propellor 2 × W H Allen turbo generators 2 MW 2 × Paxman diesel alternators 2,800 hp (2.1 MW) |
| Speed: | Dived: 32 knots (59 km/h) |
| Complement: | 18 officers 112 enlisted |
| Sensors and processing systems: |
Ferranti/Gresham Dowty DCB/DCG Type 2072 hull-mounted flank array passive sonar Plessey Type 2020 or Marconi/Plessey Type 2074 hull-mounted active and passive search and attack sonar Ferranti Type 2046 towed array passive search sonar Thomson Sintra Type 2019 PARIS or Thorn EMI 2082 passive intercept and ranging sonar Marconi Type 2077 short range active classification sonar Kelvin Hughes Type 1007 I band navigation radar Pilkington Optronics CK34 search periscope Pilkington Optronics CH84/CM010 attack periscope Type 2076 sonar from 2004 |
| Electronic warfare and decoys: |
2 × SSE Mk8 launchers for Type 2066 and Type 2071 torpedo decoys RESM Racal UAP passive intercept CESM Outfit CXA<bt>SAWCS decoysd from 2002 |
| Armament: | 5 × 21 in (533 mm) torpedo tubes Spearfish torpedoes (originally Tigerfish torpedoes) with 20 reloads UGM-84 Harpoon submarine-launched cruise missile Mines UGM-109 Tomahawk from 2004 |
HMS Trenchant is a Trafalgar class submarine built by Vickers Shipbuilding, Barrow-in-Furness.
HMS Trenchant tested the non-hull-penetrating optronic mast in 1998. She also trialled a camouflage paint scheme comprising jagged shapes of various colours including pale blue.
HMS Trenchant is currently in service and is based at HMNB Devonport.
ON 21st June 2007 HMS Trenchant became the first Royal Navy vessel to fire the new block IV Tomahawk cruise missile in a live firing trial in the Gulf of Mexico off the United States coast.
See HMS Trenchant for other ships of the same name.
[edit] MFV Antares
On 22nd November 1990 the nets of the fishing vessel Antares were snagged by HMS Trenchant, the Antares was pulled under with the loss of all four members of the crew. [1][2]
[edit] External links
[edit] References
- Submarines, War Beneath The Waves, From 1776 To The Present Day, by Robert Hutchinson
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