Samiksha Jaiswal

HMS M1

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Name  HMS M1
Class and type  M-class submarine
Launched  9 July 1917
Homeport  Portsmouth
Beam  24 ft 8 in (7.52 m)
Length  90 m
HMS M1 HMS M1 World Naval Ships Directory
Fate  Sunk after collision, 12 November 1925
Displacement  1,594 long tons (1,620 t) surfaced 1,946 long tons (1,977 t) submerged

Underwater video of the remains of the monitor submarine hms m1


HMS M1 was a submarine of the British Royal Navy, one of four vessels of her class ordered towards the end of the First World War. She sank with the loss of her entire crew in 1925.

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The vessels were originally intended as "submarine monitors", but their purpose had been changed before detailed design began. M1 was fitted with a 12-inch (305mm) gun which was intended for use against surface ships in preference to torpedoes, the argument being that, "No case is known of a ship-of-war being torpedoed when under way at a range outside of 1000 yards".

HMS M1 HMS M1 image Battlefield 1918 mod for Battlefield 1942 Mod DB

Although the gun had an effective range of 15,000 yards (14 km), it was normally fired using a simple bead sight at periscope depth with only the barrel above the water. It was important for the submarine's gun to sink or disable the target with the first shot, because the gun could only be loaded on the surface.

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She was 295 feet 9 inches (90.14 m) long, displaced 1,950 long tons (1,980 t) submerged and operated out of Portsmouth. She was launched on 9 July 1917, but was not involved in active service in the First World War.

HMS M1 httpsuploadwikimediaorgwikipediacommonsthu

In 1923, water leaking into the barrel of the gun resulted in extensive damage to the muzzle when it was fired. She sank with all 69 hands on 12 November 1925 while on an exercise in the English Channel. A Swedish ship, SS Vidar, struck the submerged M1 and sank her in 70 m of water. The collision tore the gun from the hull and water flooded the interior through the open loading hole. The crew members appear to have tried to escape by flooding the interior and opening the escape hatch, but their bodies were never found.

HMS M1 HMS M1 Wikipedia

Her wreck was discovered by a diving team led by Innes McCartney in 1999 at a depth of 73 m. Later that year, the wreck was visited again by Richard Larn and a BBC TV documentary crew, and the resulting film was broadcast in March 2000. The wreck is designated as a protected place under the Protection of Military Remains Act 1986.

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References

HMS M1 Wikipedia


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