A friend who had an early computer store is trying to identify a machine. Some guesses are Zenith mini sport, clone of a Toshiba T1000 and some kind of HP device.
Found this while browsing one of the links on the "laptops with mini-diskette drives" question:
It appears to be a generic 80186-based IBM PC AT clone, distributed as "Tava Flyer". I couldn't find any meaningful information about Tava Corp. (Irvine California, apparently), except that they existed in 1983 and are no longer active. Some sparse information on the "Flyer" can be found at these sites, the second also has a digitalisat of a sales brochure: