Boeing 767 accident near Yesan, Kr, May 28, 2021
On May 28, 2021 at about 8:08 am local time, a Boeing 767, registered HL7528, was involved in an accident during initial climb near Yesan. It was flown under non-U.S. commercial rules. 1 person was seriously injured; 237 others were unhurt.
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- May 28, 2021 · about 8:08 am local time
- Place
- Yesan, South Korea
- Type
- Accident
- Injuries
- 1 person was seriously injured; 237 others were unhurt.
- Weather
- not recorded
- Aircraft
- Boeing 767 300 · all 767s on the register
- Registration
- HL7528 · no longer on the register · serial 29129
- Damage
- Not recorded
- Flight
- Flight · non-U.S. commercial rules
The factual record from the NTSB's investigation tables, in plain English
What happened, in order
- Turbulence encounter during initial climb defining event
The aircraft
- Landing gear: retractable
- Operator: Asiana Airlines Co LTD
The flight
- Departed from: Gimpo International Airport
- Destination: Jeju International Airport
- A second pilot was aboard
Weather at the time
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 | 4 | ||
| Passengers | 233 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The NTSB has not released the docket for this case yet. The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), is usually released when the investigation is nearly complete, and the list here is refreshed when it appears. Check at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.