David, I believe that the 8000's back then were ferry flights. Somewhere back then they started using 4 digit flight numbers. The first digit equated to the type aircraft. The only one I remember off the top of my head was the 1000's were Caravelle flights. Al ----- Original Message ----- From: "David Ross" <damiross@earthlink.net> To: <AIRLINE@LISTSERV.CUNY.EDU> Sent: Monday, February 04, 2002 7:20 PM Subject: Re: United's flight number scheme (was Re: AC's 3xxx flight #s) > Just looked at this list again. If I remember correctly, back in the 70's > and earlier, the cargo flights were in the 8000 series > >