Talk:S-51J/@comment-2003:E5:6F2F:1ED9:B850:C9F8:D79B:5533-20190327174854/@comment-2605:6001:F447:8400:60ED:FD6:CBFC:D11-20190328021152

S-51 is just the H-5 for civilian use. It is pretty much the same helicopter.