cyhupilot

You can't purchase from the database, you have to go check out online retailers or ebay.

Here are a few

AirplaneReplicas.Com - The Source For 1/400 Models (Powered by CubeCart)
JoePilot.com Pilot Supplies, Aeronautical Charts, Aircraft Supplies and More
Diecast Scale Models Including Gemini Jets, Dragon Wings, Herpa Wings, Phoenix Models, Aero Classics, Hogan Wings
Aviation World - books, hobbies & pilot supplies
http://www.thresholdaviation.com/
Just Plane Fun Corporation
Jetway Models, Gemini Jets, Dragon Wings, AeroClassics, Herpa Wings, Starjets, Jet-X
AirlineMuseum.com
ADAMJets Airliner Models and Displays:

The ones with are my favorites