No fatalities

Emergency Landing at Osaka-Itami After Technical Issues; Aircraft Damaged Beyond Repair (JA8680)

Osaka-Itami, JapanLanding (descent or approach)

On May 28, 1975, a NAMC YS-11 (registration JA8680) operated by TOA Domestic Airlines was involved in an aviation accident near Osaka-Itami, Japan during landing or approach. No fatalities were reported. Investigators recorded the probable cause as: A hydraulic oil leak caused by a loose connection of the hydraulic oil line in the left flap well. 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.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Source recordUpdated 2026-07-04Data APIEditorial standards

A flight from Osaka-Itami returned for an emergency landing after technical problems. On touchdown, a tire burst caused the aircraft to veer off runway 32R, crossing soft ground and a drainage ditch before stopping. All 22 occupants evacuated safely; the aircraft was damaged beyond repair.

Incident

Shortly after departing from Osaka-Itami Airport, the crew of flight JD621, bound for Okinoshima (Oki Island), reported technical problems to air traffic control and received clearance to return for an emergency landing. The aircraft touched down on runway 32R. During the landing roll, a tire on the right main landing gear burst, leading to a loss of control. The airplane veered to the right, left the runway, and contacted soft ground. It subsequently passed over a drainage ditch before coming to rest. All 22 occupants were evacuated safely. The aircraft sustained damage beyond repair.

Probable Cause

According to the official investigation, the probable cause of the incident was a hydraulic oil leak resulting from a loose connection of the hydraulic oil line in the left flap well.

Frequently asked questions

What happened in the 28 May 1975 NAMC YS-11 accident near Osaka-Itami, Japan?

A flight from Osaka-Itami returned for an emergency landing after technical problems. On touchdown, a tire burst caused the aircraft to veer off runway 32R, crossing soft ground and a drainage ditch before stopping. All 22 occupants evacuated safely; the aircraft was damaged beyond repair.

Were there any fatalities in the 28 May 1975 NAMC YS-11 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 28 May 1975 involved a NAMC YS-11, registration JA8680, operated by TOA Domestic Airlines, at Osaka-Itami, Japan.

What was the probable cause of the accident?

A hydraulic oil leak caused by a loose connection of the hydraulic oil line in the left flap well.