I thought that might have been the case too, but I just won a really old Wooster American Airlines A300 on Ebay for $4. Seems like the hardest part is just finding them.....
Anyway, last night I ended up solving half the entire list. I stumbled across a GREAT website that photographically documents Wooster models, from W001 all the way to W718, although with a few unknowns. Check it out:
http://www.originalwoosters.co.uk/
With this find, now I just want to know if these are out there:
Air Florida B737-200 (Flight 90)
Air India B747-200 (Flight 182)
Avianca B707-300 (Flight 52)
Korean Air B747-200 (Flight 007, Early white livery)
Turkish Airlines DC-10-10 (Flight 981)
United Airlines DC-10-10 (Flight 232, OC)
ValuJet DC-9