Exhibit 16.1 LETTER FROM MALONE & BAILEY, PLLC Malone & Bailey, PLLC 5444 Westheimer, Suite 2080 Houston, TX 77056 September 30, 2003 To: Securities & Exchange Commission 450 5th Street N.W. Washington, D.C. 20549 Re: Arizona Aircraft Spares, Inc. (formerly known as "American Market Support Network, Inc.") Gentlemen: Pursuant to the request of the above referenced Company, we affirm that: (1) we have read the Company's response to Item 4 of Form 8-K dated September 30, 2003; and (2) we agree with the responses related to Malone & Bailey. Very Truly Yours, /s/ Malone & Bailey, PLLC - -------------------------- Malone & Bailey, PLLC