| Built By: | Vickers (Barrow) |
| Build Group: | XT |
| Fate: | Moored in Aberlady Bay and used for weapons trials by de Havilland Mosquito aircraft based at RAF East Fortune. |
Unofficially named Extent
Less elaborately equipped as previous boats as they were intended for training. In May 1946 two midget submarines were moored at the low-water mark in Aberlady Bay. It is believed that these craft were XT1 and XT2, two examples of a training version of the British X craft midget submarines.
The two XT class vessels moored in Aberlady Bay were used for trials by de Havilland Mosquito aircraft based at R.A.F. East Fortune, now the Museum of Flight, part of the National Museums of Scotland. These aircraft were used to train R.A.F. crew for Coastal Command anti-shipping strike squadrons and they used the two XT craft to test the effectiveness of cannon shells in piercing the armour plate of the midget submarines. The remains of the midget submarines can still be seen at low tide.
| Length overall | 51 ft 7 inch |
| Beam | 8 ft 6 inch (with charges) |
| 5 ft 9 1/2 inch (without charges) | |
| Displacement | Without Charges: 27 tons (surface) |
| Without Charges: 29 1/2 tons (submerged) | |
| Diving Depth | 300 ft |
| Speed | With Charges: 6.5 knots (surface) |
| With Charges:5 knots (submerged) | |
| No. of shafts | 1 |
| Armament | 2 x 2-ton side charges |
| Limpet mines | |
| Endurance | Surface: 1320 miles at 4 knots (with charges) |
| Surface: 1860 miles at 4 knots (without charges) | |
| Submerged: 80 miles at 2 knots (with charges) | |
| Complement | 4 |
| Class: | 1935 - 1970: T Class |
| Built By: | Devonport Dockyard |
| Build Group: | T 3 |
| Fate: | |
| Lost in January 1968 | |
Directed by William Fairchild, The Silent Enemy is a newly restored 1958 war film based on the real Lionel 'Buster' Crabb who vanished during a reconnaissance mission for the MI6, played by Laurence Harvey.
In 1941, Britain was sustaining enormous losses fighting a war on three fronts against an ever increasing Axis power. To add to their problems, the Italians have recently created a new form of warfare - Frogmen - an intrepid band of men who travel astride small torpedo-type vessels, and attach explosive charges to the hulls of enemy ships, below their waterline.
A young Naval Lieutenant, 'Buster' Crabb, an expert in mine and bomb disposal, is sent to Gibraltar to try and combat this new threat. Never having dived before, he sets to work to master the technique of underwater operations, and soon he and his team are able to locate many of the frogmen's charges and render them harmless. But with an invasion of North Africa imminent, time is not on the Allies' side.
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| Length overall | 51 ft 7 inch |
| Beam | 8 ft 6 inch (with charges) |
| 5 ft 9 1/2 inch (without charges) | |
| Displacement | Without Charges: 27 tons (surface) |
| Without Charges: 29 1/2 tons (submerged) | |
| Diving Depth | 300 ft |
| Speed | With Charges: 6.5 knots (surface) |
| With Charges:5 knots (submerged) | |
| No. of shafts | 1 |
| Armament | 2 x 2-ton side charges |
| Limpet mines | |
| Endurance | Surface: 1320 miles at 4 knots (with charges) |
| Surface: 1860 miles at 4 knots (without charges) | |
| Submerged: 80 miles at 2 knots (with charges) | |
| Complement | 4 |
| Class: | 1935 - 1970: T Class |
| Built By: | Devonport Dockyard |
| Build Group: | T 3 |
| Fate: | |
| Lost in January 1968 | |
Directed by William Fairchild, The Silent Enemy is a newly restored 1958 war film based on the real Lionel 'Buster' Crabb who vanished during a reconnaissance mission for the MI6, played by Laurence Harvey.
In 1941, Britain was sustaining enormous losses fighting a war on three fronts against an ever increasing Axis power. To add to their problems, the Italians have recently created a new form of warfare - Frogmen - an intrepid band of men who travel astride small torpedo-type vessels, and attach explosive charges to the hulls of enemy ships, below their waterline.
A young Naval Lieutenant, 'Buster' Crabb, an expert in mine and bomb disposal, is sent to Gibraltar to try and combat this new threat. Never having dived before, he sets to work to master the technique of underwater operations, and soon he and his team are able to locate many of the frogmen's charges and render them harmless. But with an invasion of North Africa imminent, time is not on the Allies' side.
20 pages added or updated in the last 2 month
Please help to maintain this site by reporting any Errors, Broken Links, Information or Site Issues on this page using this button
If you find this site useful, please consider supporting my work with a small Donation.
Please Note: Donations made using this option go directly to the site owner and not to the Submariners Association.
Thankyou for your support.

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