James Hugh MacDonald, 46, a Winnipeg engineering firm CEO and former Canadian Air Force pilot, disappeared in December 1971 after departing Thompson Airport in his single-engine Mooney Mark M20D. He was expected to return home to his family but never arrived. Searches of the rugged northern terrain found no wreckage, no signal, and no sign of MacDonald or his aircraft.

Described as 6 feet 1 inch, slender, with short brown hair, MacDonald was an experienced pilot and an avid parachuting enthusiast. Because no physical evidence was recovered, theories have circulated over the years, including speculative links to the D.B. Cooper skyjacking a month earlier; that connection remains unproven.

The disappearance left his family without answers and became one of Manitoba’s enduring mysteries. If anyone knew MacDonald, his flight plans that December, or saw his Mooney after takeoff, please share what was seen or heard.