On April 5, 1931, a De Havilland DH.60 Moth (registration G-CATI) operated by National Air Transport - Canada was involved in an aviation accident near Ramsey Lake (Sudbury), Canada in flight. One person was killed. Investigators recorded the probable cause as: Loss of control during a sharp turn at low altitude leading to an aerodynamic stall. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 2 related events involving the same aircraft type or operator are linked below.
A local training flight out of Sudbury ended in a crash into Ramsey Lake after the aircraft stalled during a sharp turn at low altitude, resulting in one fatality and one injury.
What happened
The incident involved an aircraft conducting a local training flight originating from Sudbury. During the maneuvering phase of the exercise, the crew was executing a sharp turn while flying at a low height. At this point, the pilot lost control of the airframe. The loss of control led to an aerodynamic stall, causing the aircraft to descend rapidly and impact the surface of Ramsey Lake, located off Sudbury.
The crash resulted in significant casualties among the occupants. One pilot was killed in the accident, while a second individual sustained injuries.
Probable cause
Loss of control during a sharp turn at low altitude leading to an aerodynamic stall.
What happened in the 5 Apr 1931 De Havilland DH.60 Moth accident near Ramsey Lake (Sudbury), Canada?
A local training flight out of Sudbury ended in a crash into Ramsey Lake after the aircraft stalled during a sharp turn at low altitude, resulting in one fatality and one injury.
Were there any fatalities in the 5 Apr 1931 De Havilland DH.60 Moth accident?
The accident was fatal, resulting in 1 fatality.
What aircraft was involved and where did it happen?
The accident on 5 Apr 1931 involved a De Havilland DH.60 Moth, registration G-CATI, operated by National Air Transport - Canada, at Ramsey Lake (Sudbury), Canada.
What was the probable cause of the accident?
Loss of control during a sharp turn at low altitude leading to an aerodynamic stall.
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