Aircraft Sales The following aircraft are currently listed For Sale by Alpha Omega Jet Services: Requires a Java Enabled Browser. 1975 PIPER SENECA II, N1007X 1982 CESSNA T210N, N9923Y SOLD***1944 PIPER L4H, N2270Y***SOLD 2004 PIPER L21 REPLICA, N915MB Photographs and a detailed specification sheet ...