Report on the Accident to Sikorsky S-61N, G-BEWL at Brent Spar, East Shetland Basin on 25 July 1990 by Great Britain. Air Force Department. Air Historical Branch | Menrva Books | MenrvaBooks
Report on the Accident to Sikorsky S-61N, G-BEWL at Brent Spar, East Shetland Basin on 25 July 1990