5 fatalities

Float Plane Collision with Factory Chimney in Sakai (J-BBQI)

Sakai, JapanFlight

On May 27, 1937, an Aichi AB-4 (registration J-BBQI) operated by Japan Air Transport was involved in an aviation accident near Sakai, Japan in flight. 5 people were killed. Investigators recorded the probable cause as: The aircraft was flying too low over the city, leading to a collision with a factory chimney. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 4 related events involving the same aircraft type or operator are linked below.

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

A float plane flying at low altitude over Sakai struck a factory chimney, resulting in a crash that killed all five people on board.

What happened

The incident occurred while the aircraft was operating over the urban area of Sakai. During this phase of flight, the float plane descended to an altitude that was insufficient for safe clearance from ground structures. As a result, the airframe made contact with the chimney of a local factory. The impact caused the aircraft to crash immediately following the collision.

The accident resulted in fatal consequences for everyone on board. All five occupants were killed in the event. No survivors were reported from this specific incident involving the low-altitude flight over the city.

Probable cause

The aircraft was flying too low over the city, leading to a collision with a factory chimney.