Allied Warships

HMS Unswerving (P 63)

Submarine of the U class

NavyThe Royal Navy
TypeSubmarine
ClassU 
PennantP 63 
Built byVickers Armstrong (Newcastle-on-Tyne, U.K.) : Davey Paxman & Ricardo 
Ordered12 Jul 1941 
Laid down17 Feb 1942 
Launched19 Jul 1943 
Commissioned3 Oct 1943 
End service 
History

Scrapped at Newport on 10 July 1949.

 

Commands listed for HMS Unswerving (P 63)

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CommanderFromTo
1T/Lt. Michael Dent Tattersall, RNVR21 Jul 1943???

2Lt. Kenneth James Clark, DSC, RN1 Aug 1945Oct 1945 ?

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Noteable events involving Unswerving include:


19 Mar 1944
HMS Unswerving (Lt. M.D. Tattersall, RNVR) fires four torpedoes against the German merchant Gertrud (1960 GRT) off Cape Maleas, Greece. All torpedoes missed their target.

20 Mar 1944
HMS Unswerving (Lt. M.D. Tattersall, RNVR) sank a Greek sailing vessel with gunfire off Crete in position 35°57'N, 24°02'E.

26 Mar 1944
HMS Unswerving (Lt. M.D. Tattersall, RNVR) fires four torpedoes against the German merchant Gertrud (1960 GRT) off Souda Bay, Crete, Greece in position 35°33'N, 24°18'E. All torpedoes missed their target.

3 May 1944
HMS Unswerving (Lt. M.D. Tattersall, RNVR) sank two sailing vessels with gunfire in the Gulf of Nauplia, Greece.

5 May 1944
HMS Unswerving (Lt. M.D. Tattersall, RNVR) sank three sailing vessels with gunfire in the Gulf of Nauplia, Greece.

17 Jun 1944
HMS Unswerving (Lt. M.D. Tattersall, RNVR) torpedoed and sank to caiques at Potamo.

At 1230 HMS Unswerving enters Potamo anchorage and at 1315 hours she fires one torpedo at a caique (that was alongside a UJ boat with another caique). The target was not hit but the torpedo exploded close ahead causing the caique to break adrift while settling by the bows. Another torpedo was fired at the remaining caique and the UJ boat. This torpedo exploded close alongside the target. A large column of water with debris of the caique and UJ boat were seen to rise to 300 feet. The targets were not seen thereafter. Unswerving now made off at speed.

23 Jun 1944
HMS Unswerving (Lt. M.D. Tattersall, RNVR) sank the German guard boats GN 61 and GN 62 with gunfire in the Skiathos Channel in position 39°26'N, 23°25'E.

At 0325 hours (time zone -2) Unswerving sighted two dark shapes in line ahead. They are thought to be two medium seized caiques of 80-100 tons.

At 0340 hours fire was opened on the second caique from 2500 yards. After 19 rounds the target blew up and sank at 0345 hours.

Target was now shifted to the first caique. After eight rounds the crew began to abandon ship. Unswerving now came alongside, removed all papers and finally sank the target with more gunfire after a demolition charge failed to do the job it was intended for. 7 survivors were picked up from the water.

20 Jul 1944
HMS Unswerving (Lt. M.D. Tattersall, RNVR) fires three torpedoes at the German transport Pelikan and it's escort the German torpedo boat TA 19 off Suda Bay, Crete. The torpedoes however miss their targets.

7 Aug 1944
HMS Unswerving (Lt. M.D. Tattersall, RNVR) claims to have damaged a sailing vessel with gunfire in the Aegean Sea.

10 Aug 1944
HMS Unswerving (Lt. M.D. Tattersall, RNVR) attacks the small German merchant Toni (638 BRT, former Greek Thalia) with four torpedoed off Milos, Greece. All torpedoed however miss their target.

2 Oct 1944
HMS Unswerving (Lt. M.D. Tattersall, RNVR) fires three torpedoes against the German auxiliary minelayer Zeus about 6 nautical miles south-south-east of Cape Kassandra, Greece.

3 Oct 1944
HMS Unswerving (Lt. M.D. Tattersall, RNVR) torpedoed and sank the German tanker Bertha (1810 GRT, former French Bacchus) about 40 nautical miles north of Skiathos Island, Greece.


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