ASN Wikibase Occurrence # 237638
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| Date: | Sunday 15 December 2019 |
| Time: | 15:55 |
| Type: |  Cessna 172M |
| Owner/operator: | Yokota Aero Club |
| Registration: | N22905 |
| MSN: | 17264078 |
| Year of manufacture: | 1974 |
| Total airframe hrs: | 9142 hours |
| Engine model: | Lycoming O-360-A4M |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Tokyo, FN -
 Japan
|
| Phase: | Taxi |
| Nature: | Training |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The operator’s operations chief reported that an air traffic controller instructed the flight instructor and pilot to taxi to a taxiway and that, subsequently, the airplane encountered prop wash from a larger airplane on the same taxiway, which flipped the airplane onto its right side and resulted in substantial damage to the forward wing spar. The larger airplane’s pilot reported that he was conducting a high-power engine run on the same taxiway. The air traffic controller did not tell the pilots in the smaller airplane at any time while they were taxiing about the larger airplane's intentions. The pilot of the larger airplane reported that all requests for engine start, taxi, and high-power engine runs were coordinated with air traffic control (ATC). He added that they had to reposition due to a tailwind and that he had made a radio call to ATC and acknowledged that they had repositioned on the ramp to face into the wind. He added that he heard the lighter airplane receive a taxi clearance but did not hear any communications questioning the larger airplane's status or position with respect to any potential impact on aircraft taxiing behind them on the taxiway. He became aware of the lighter airplane's situation after the event when its pilot made a radio call to ground control.
Probable Cause: The airplane’s encounter with prop wash while taxiing behind a larger airplane that was conducting a high-power engine run on the same taxiway. Contributing to the accident was the air traffic controller’s failure to inform the smaller airplane’s pilot about the larger airplane pilot’s intentions.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Jul-2020 12:40 | ASN Update Bot | Added |
| 11-Sep-2020 13:23 | Captain Adam | Updated [Country, Narrative, Accident report, Accident report, ] |
Corrections or additions? ... Edit this accident description
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