2 fatalities

Moth Collision Over Bahía Blanca During Centenary Celebration (R-107)

Bahía Blanca, ArgentinaFlight

On April 11, 1928, a De Havilland DH.60 Moth (registration R-107) operated by Shirley G. Kingsley was involved in an aviation accident near Bahía Blanca, Argentina in flight. 2 people were killed. Investigators recorded the probable cause as: In-flight collision for unknown reason. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-08-04Data APIEditorial standards

Two pilots were killed when their de Havilland Moth collided mid-air with another Moth during a demonstration flight over Bahía Blanca in Argentina.

What happened

During the centenary celebrations of the city of Bahía Blanca, two pilots were aboard an aircraft owned by Major Shirley G. Kingsley for a demonstration flight. The specific registration of the aircraft is not provided in the source material. While operating in this capacity, the de Havilland Moth encountered another Moth in the air. A mid-air collision occurred between the two light aircraft under circumstances that have not been fully determined. Following the impact, the subject aircraft crashed to the ground, resulting in the deaths of both occupants on board. The status and fate of the second aircraft and its pilot remain unknown.

Findings

Official investigations concluded that the accident resulted from an in-flight collision. The specific reasons leading to the proximity of the two aircraft were not identified, leaving the precise causal factors unresolved.

Probable cause

In-flight collision for unknown reason