During 4 operational sails (46 day at sea), Johann de Buhr did not sink any ships. He was killed in action when his ship, "U 347" was sunk on July 17th, 1944 by planes from No. 86 Squadron, protecting Convoy AHL49 at 68.36N / 08.33O.
Promotions:
March 1st, 1943: Oberleutnant zur See.
Career:
?: I. Wachoffizier "U 86";
July 7th, 1943 - July 17th, 1944: Kommandant "U- 47".
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