Amazing images from Dr Innes McCartney – the condition of this wreck is incredible.
U89 survived just over six months in service before it sunk by ramming off Malin Head. The large U-boats of the Kaiserliche Marine are fairly uncommon wrecks in coastal waters which made investigating this site a most interesting dive. The shot line has come down off the port side bows of the wreck (Innes McCartney) The bows have rotted away leaving the hydroplane as the most forward part of the wreck (Innes McCartney) Torpedo tubes come into view (Innes McCartney)
Looking down the conning tower hatch, the shaft of the wide angle periscope can be seen as well as the open hatch leading to the control room (Innes McCartney). The wide angle periscope in its housing, seen from above (Innes McCartney)
The top of the attack periscope (Innes McCartney)
The damage which sunk U89 now becomes obvious – HMS Roxburgh clearly ran over the engine room, ripping the roof off (Innes McCartney).
RU ammunition locker (Innes McCartney). Pointing my camera inside reveals a mass of debris and electrical cables. A hole which looks like the type caused by the slicing action of a propeller can be seen (Innes McCartney).
The breech block of the 105mm gun with diver behind (Innes McCartney). Diver by the forward torpedo hatch (Innes McCartney). The netting appears to have drifted into the wreck (Innes McCartney). U89 carried two guns. The large 105mm was on the foredeck (Innes McCartney) The 88mm gun mounted aft (Innes McCartney) Torpedoes in the aft torpedo room (Innes McCartney). Torpedo tubes come into view (Innes McCartney).
Aft torpedo hatch (Innes McCartney).
Inside are fins of a torpedo (Innes McCartney) The double periscope housing on the conning tower with hatch behind (Innes McCartney).
Aft of the 105mm, the conning tower comes into view (Innes McCartney). Tampion in the muzzle of the 105mm keeps the water out (Innes McCartney).
Auxiliary steering position? in the aft torpedo room (U505 has this feature) (Innes McCartney).
Stern torpedo tubes with post side hydroplane in foreground (Innes McCartney).
Stern tubes with doors shut (Innes McCartney)
The interior beckons.. (Innes McCartney). The much corroded hydroplane appears to have been set to hard arise (Innes McCartney).
Turning aft the engines point astern, which is where I will explore next (Innes McCartney).
Turning and looking forward the open bulkhead hatch leading into the control room can be seen (Innes McCartney).
Aft of the conning tower two of the main tanks are still hanging on to the pressure hull (Innes McCartney).
The forward radio mast survives even though most of the upper works have rotted away (Innes McCartney).
Pressure-proof ready-use ammunition was stacked in lockers around the guns. They were soldered closed and could be popped open quickly for immediate firing when the U-boat surfaced (Innes McCartney). A white circle of anemones shows where one tube has broken away from the hull (Innes McCartney). The diesel engines are now exposed (Innes McCartney)
Port side prop shaft is bent and the “A” frame buckled (Innes McCartney).
Diver by conning tower (Innes McCartney).
Above the torpedo tubes on the main deck the 105mm gun can be seen in the distance (Innes McCartney). Starboard side prop partially buried (Innes McCartney).
Damage in the port side hull probably caused in the collision (Innes McCartney).
The engines with the control room hatchway behind. Ballast tanks either side (Innes McCartney).
Aft torpedo hatch (Innes McCartney). Torpedoes lying on the deck, having fallen from their stowage rack (Innes McCartney).
U89 had four bow tubes, three of which are visible, inner doors shut (Innes McCartney).
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