EXHIBIT 4.18 SUBSCRIPTION AGREEMENT Dear Subscriber: You (the "Subscriber") hereby agree to purchase, and Advanced Aerodynamics & Structures, Inc., a Delaware corporation (the "Company"), hereby agrees to issue and to sell to the Subscriber, a 5%...Subscription Agreement • December 12th, 2001 • Advanced Aerodynamics & Structures Inc/ • Aircraft • New York
ARTICLE I INTERPRETATIONFunds Escrow Agreement • December 12th, 2001 • Advanced Aerodynamics & Structures Inc/ • Aircraft • New York
