Sines (in the sea)
Vikers Wellington MX MF683
Portreath (GB) → Gibraltar a Rabat Sale
F/O Grippaios GB
The aircraft ditched about 18 miles west from Sines with an engine problem.
The Operational Record Book (ORB) of Portreath - base from where the airplane departed - refers that the pilot, Flight Officer Grippaios, was rescued by a Portuguese trawler and that there was no more information about other crew-members.
* Portreath ORB - National Archives - London Kew