bn:00310353n
Noun Named Entity
Categories: United States helicopters 1950–1959, Sikorsky aircraft, Aircraft first flown in 1959, Search and rescue helicopters, Twin-turbine helicopters
EN
Sikorsky S-61  Agusta-Sikorsky AS-61N-1 Silver  Agusta-Sikorsky S-61A-4  S-61  S61
EN
The Sikorsky S-61L and S-61N are civil variants of the SH-3 Sea King military helicopter. Wikipedia
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