Hi David,
The information was transmited by another Sunderland that took of a couple of minutes after this one. There was even a rescue team organized in Gibraltar but they did not find anything....
You can find this info at my site in
http://www.landinportugal.org/air_pa..._copy(133).htm
I can also send you the documents... leave me PM with one adress so I can send them over....
Best regards
Carlos Guerreiro