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Aircraft Runway Overrun on Wet Surface (JA8708)

Miyazaki, JapanLanding (descent or approach)

On October 20, 1969, a NAMC YS-11 (registration JA8708) operated by All Nippon Airways was involved in an aviation accident near Miyazaki, Japan during landing or approach. No fatalities were reported. Investigators recorded the probable cause as: Wrong approach configuration on part of the flying crew who landed too far down the runway, reducing the landing distance available. At the time of the accident, the runway was wet and the aircraft also suffered aquaplaning. 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 2026-06-12Data APIEditorial standards

An aircraft overran a wet runway after landing too far down, losing its undercarriage. All 53 occupants escaped uninjured, and the aircraft was written off.

Incident Overview and Outcome During the incident, the aircraft landed too far down a wet runway and was unable to stop within the remaining distance. The airplane overran the runway and lost its undercarriage before coming to rest 132 meters further. All 53 occupants escaped uninjured, while the aircraft was written off. ## Contributing Factors The official findings identified a wrong approach configuration by part of the flying crew, which resulted in the aircraft landing too far down the runway and reducing the landing distance available. At the time of the accident, the runway was wet, and the aircraft also suffered aquaplaning.

Probable cause

Wrong approach configuration on part of the flying crew who landed too far down the runway, reducing the landing distance available. At the time of the accident, the runway was wet and the aircraft also suffered aquaplaning.
Runway excursion

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Same operator

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