5 fatalities

Twin-Engine Aircraft Disintegrates During Navigation Exercise (AW485)

Maclean, AustraliaFlight

On March 7, 1944, an Avro 652 Anson (registration AW485) operated by Royal Australian Air Force - RAAF was involved in an aviation accident near Maclean, Australia in flight. 5 people were killed. Investigators recorded the probable cause as: Spatial disorientation likely led to a loss of control, causing the aircraft to exceed its structural limits and disintegrate. 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 2026-08-05Data APIEditorial standards

A twin-engine aircraft broke apart in mid-air while flying through clouds during a training mission, resulting in the deaths of all five occupants on board.

What happened

The incident occurred while the crew was conducting a navigation exercise. The twin engine aircraft was en route when it entered a cloudy area. During this phase of flight, the airframe disintegrated in mid-air. Debris from the wreckage was scattered over a large area. Search efforts recovered no survivors among the five occupants, who were killed in the accident.

Findings

Official investigations concluded that the exact cause of the accident remained undetermined. However, authorities noted that the crew may have experienced spatial disorientation while flying through the clouds. This condition likely compromised their ability to maintain control of the aircraft. The loss of control is believed to have placed the airframe in an attitude or position that exceeded its structural design limits, leading to the catastrophic failure of components such as the fuselage and wings.

Probable cause

Spatial disorientation likely led to a loss of control, causing the aircraft to exceed its structural limits and disintegrate.