Helicopterfriend Picture AC287890 N484997, appears to be a P-80A Shooting Star but was listed by placing an N before the Bu No and causing it to be registered as a Ryan PT 22
L-5jockey http://www.airport-data.com/aircraft/photo/287890.html Should be 44-84997 P-80A-1LO c/n (msn) 080-1020