Hi there this link has all of the details it has just been updated with crew lost and position for the EFFNA .[ubootwaffe.net]

And yes my neame apears in the manifest he was my uncle and my father named me after him (his favorite brother)

This is the u-boat that sank her [ubootwaffe.net]

this is the u-boat that sank the Black Osprey [ubootwaffe.net]
but as yet there is no information updated for the ship

Hope this helps.