1 fatality

Three Killed in Mid-Air Collision of Oxford and Harvard at Værløse AFB (21-235)

Værløse AFB, DenmarkTakeoff (climb)

On March 7, 1950, an Airspeed AS.10 Oxford (registration 21-235) operated by Royal Danish Air Force - Flyvevåbnet was involved in an aviation accident near Værløse AFB, Denmark during takeoff. One person was killed. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-12Data APIEditorial standards

A mid-air collision between an Airspeed Oxford and a Danish Air Force North American Harvard over Værløse AFB during training sorties resulted in the deaths of all three crew members.

Incident

During local training sorties at Værløse Air Base, a twin-engine Airspeed Oxford and a Danish Air Force North American Harvard collided in mid-air shortly after the Oxford's takeoff. The Oxford, piloted solely by 2nd Lt Jørgen Gerhard Christensen, was climbing to 300 meters when it struck the Harvard, registration 32-353. The Harvard, with pilot Lt Jørgen Hindse-Nielsen and passenger Harry Smedegaard Marquart on board, was attempting to land at the time of the collision. Both aircraft subsequently entered uncontrolled descents, crashed into the ground, and were destroyed. All three occupants were killed.

Aircraft

The first aircraft was an Airspeed Oxford, a twin-engine training aircraft. The second aircraft was a North American Harvard, registration 32-353, operated by the Danish Air Force. Both were engaged in training flights from Værløse Air Base.

Crew

The Oxford was crewed by its pilot, 2nd Lt Jørgen Gerhard Christensen. The Harvard carried pilot Lt Jørgen Hindse-Nielsen and passenger Harry Smedegaard Marquart. The investigation identified all three as the sole occupants of their respective aircraft.