EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM The Board of Directors PASSUR Aerospace, Inc. and Subsidiary We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-161791, 333-156657 and 333-172472) of PASSUR Aerospace, Inc. and Subsidiary of our report dated January 29, 2014, relating to the consolidated financial statements which appears in this Form 10-K. /s/ BDO USA, LLP ------------------ Melville, New York January 29, 2014