Air T Inc. announced the resignation of Walter Clark as Chief Executive Officer and President and the appointment of current Board Chairman, Nick Swenson, as interim Chief Executive Officer. In addition, Air T announced that Mr. Clark has conditionally resigned as a director effective November 13, 2013 and that William H. Simpson, an Executive Vice President of Air T and the President of Air T's Mountain Air Cargo subsidiary, has been elected as a director to replace Mr. Clark.