U-Class coastal submarine ordered with HM Submarine UNA from HM Dockyard, Chatham on 4th September 1939 and laid down on 1st January 1940. This submarine intended to be named P31 was launched on 30th December 1940 as the 3rd RN warship to carry the name which had been introduced in 1788 when  the 1st Rate 100 gun was renamed ROYAL JAMES, and last used by a  destroyer built in 1917 and sold in 1930. Build of  this new submarine was completed on 10th July 1941 and she had been commissioned for service with the 5th Submarine Flotilla during Acceptance Trials

B a t t l e    H o n o u r s 

None

H e r a l d i c   D a t a

Badge : On a Field Blue a pair of Scales Gold.

M o t t o

Sans faveur : 'Without favour'

S u m m a r y   o f   W a r   S e r v i c e

1 9 4 1

July

                10th        On completion of Acceptance Trials prepared for service in Home waters with 3rd

                                Submarine Flotilla based in the Clyde.

                19th        Whilst on passage to Clyde for Flotilla service accidentally rammed off the Wash and

                                sunk by HM Trawler PETER HENDRIKS which was part of escort of Convoy FS44.