Told this was from a U Boat

[kradman]

Told this was from a U Boat what do you think ? not seen one before

[HPL2008]

It's a lifebuoy light. Surely not unique to U-boats.

[Jb4046]

From searching online. All I could find was this information from a book from an old french listing for an auction and in the description he put
“RARE , RETTUNGSBOJENLICHT de la Kriegsmarine de la seconde guerre mondiale. Equipement pour les bâtiments de la KM (bateau vedette rapide "schnellboot / S.Boot...). Beau marquage avec étiquette d'ORIGINE! Exemple de la façon dont le fumigène était associé à la bouée sur les photos. La vente ne porte...”

A bad quick translation from google translate
RARE, RETTUNGSBOJENLICHT of the Kriegsmarine of the Second World War. Equipment for KM buildings (fast boat "schnellboot / S.Boot ...) Beautiful marking with ORIGINAL label! Example of how the smoke was associated with the buoy on the photos. ...


Soo I suppose for S.boats as he suggests there?

Edit from what HPL said it was probably used on most ships.

[kradman]

Thank you both of you makes sense

[Kohima]

These were also provided for Aircrew, packed in the lifeboat survival equipment pack, when flying overseas.

Best wishes,
Bob