page_title: HMS P311
hierarchical_section_title: HMS P311
caption_attribution_description: English: On Board the Submarine Depot Ship HMS Forth, Holy Loch, Scotland, 1942 The depot ship HMS FORTH transferring a practice torpedo to the submarine P311. HMS SIBYL (P217) is seen alongside and another submarine is seen in the background.
context_page_description: HMS P311 was a T-class submarine of the Royal Navy, the only boat of her class never to be given a name. She was to have received the name Tutankhamen but was lost before this was formally done. P311 was a Group 3 T-class boat built by Vickers-Armstrong at Barrow-in-Furness and commissioned on 5 March 1942 under the command of Lieutenant R.D. Cayley. She was one of only two T-class submarines completed without an Oerlikon 20 mm anti-aircraft gun, the other being HMS Trespasser.
context_section_description: HMS P311 was a T-class submarine of the Royal Navy, the only boat of her class never to be given a name. She was to have received the name Tutankhamen but was lost before this was formally done.  P311 was a Group 3 T-class boat built by Vickers-Armstrong at Barrow-in-Furness and commissioned on 5 March 1942 under the command of Lieutenant R.D. Cayley.  She was one of only two T-class submarines completed without an Oerlikon 20 mm anti-aircraft gun, the other being HMS Trespasser.
caption: Practice torpedo is loaded onto P311 at the Holy Loch, Scotland, 1942
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