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. 333-217672, 333-208590, 333-172472 and 333-161791, 333-156657) of PASSUR Aerospace, Inc. and Subsidiary of our report dated February 12, 2018, relating to the consolidated financial statements which appears in this Form 10-K.
/s/ BDO USA, LLP
New York, New York
February 12, 2018