Sikorsky S-61L, c/n 61-223 ff? del Sikorsky as N317Y unk del Mitsubishi Heavy Industries in kit form unk constructed as Mitsubishi-Sikorsky S-61L, c/n M61-003, reg JA9507, ~1963 sold SFO Airlines, USA as N317Y ~1970 sold UK as G-BEID 24Nov76 engine fire warning, a/c ditched in North Sea, all 21 occupants rescued a/c burned and sank, 18Jul88.
JA9507 
