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Asiana Airlines Flight 733

26 Jul 1993 · Ungeo Mountain, near Mokpo Airport, South Korea

Boeing 737-5L9 · Controlled flight into terrain due to pilot error

From Seoul Gimpo International Airport (GMP) to Mokpo Air Base (RKJM)

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Event

Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
Accident
Event fatalities
68 · all aircraft and ground
Ground fatalities
Unknown
Occupants
116
Survivors
48
InjuriesFatal: death within 30 days. Serious: over 48 hours in hospital within a week, most broken bones, severe bleeding, nerve or organ damage, or serious burns. Minor: anything less. Glossary
48
OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
Airline

Boeing 737-5L9

Flight
OZ733
Aircraft type
Boeing 737
Category
Airplane · from aircraft type
RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
HL7229
Onboard fatalities
68
Route
From Seoul Gimpo International Airport (GMP)To Mokpo Air Base (RKJM)

Cause areas

  • Personnel issues › Action/decision

From the investigation findings the Wikipedia article reports, sorted into the NTSB's cause areas with AI assistance.

Approximate · Coordinates from the Wikipedia article; not checked against an investigation report.

From the Wikipedia article

Asiana Airlines Flight 733 was a domestic Asiana Airlines passenger flight from Seoul-Gimpo International Airport to Mokpo Airport, South Korea. The Boeing 737-500 operating the flight crashed on 26 July 1993, in the Hwawon area of Haenam County, South Jeolla Province. The cause of the accident was determined to be pilot error leading to controlled flight into terrain. 68 of the 116 passengers and crew members on board were killed. The crash resulted in the first hull loss of a 737-500.

Accident

On 26 July 1993, flight 733 departed Gimpo International Airport in Seoul, bound for Mokpo Airport, for a scheduled arrival at 15:15. At that time, the weather conditions in Mokpo and Yeongam County area consisted of heavy rain and wind. However, the weather conditions were not enough to delay the arrival time. The flight planned to land on runway 06. The aircraft made its first landing attempt at 15:24, which failed, followed by a second landing attempt at 15:28, which also failed. At 15:38, after two failed landing attempts, the aircraft made a third attempt. The twin-engine plane then disappeared from the radar at 15:41. At 15:48 the aircraft crashed into a ridge, Mt. Ungeo, at 800 ft above sea level. At 15:50, the wreckage was found near Masanri, Haenam County, South Jeolla Province about 10 km southwest of Mokpo Airport. The news was reported by two surviving passengers who escaped from the wreckage and ran to the Hwawon-myeon branch of the village below the mountain.

Investigation and cause

Cause

After the crash, Asiana Airlines announced that the plane had been delayed by three landing attempts and that it appeared to have crashed. The runways did not have an ILS installed. Mokpo Airport was equipped with only a VOR/DME, resulting in the pilots performing multiple landing attempts, contributing to the accident. A prosecutor in charge of investigating the accident concluded that the aircraft, having disappeared from the normal flight route, had made an unintentional landing with the pilots having misunderstood the situation. Both pilots were killed in the crash. Chung Jong-hwan, the director general of the Ministry of Transportation, said that captain Hwang's actions caused the crash. An inquiry found pilot error was the cause of the crash when the plane began a descent while it was still passing over a mountain peak. The flight recorders were found and they recorded that after the third attempt, the crew told the control tower that the aircraft was veering off course. According to the cockpit voice recorder (CVR), captain Hwang flew the aircraft below the minimum safe altitude (1600 ft), as he said, "okay, eight hundred," a few seconds before impact.

Text from the Wikipedia article “Asiana Airlines Flight 733” (revision 1374953870, retrieved 2026-09-18) by its authors, under CC BY-SA 4.0. Extracted as plain text: references, tables, images and some sections are left out. Read the article

Sources

Wikipedia article: Asiana Airlines Flight 733
Article
Asiana Airlines Flight 733
Revision
1374953870 · 2026-09-15 · retrieved 2026-09-18
Wikidata
Q497354
Licence
Text CC BY-SA 4.0, by the article's authors; Wikidata CC0; town positions GeoNames (CC BY 4.0)
Where each value comes from
Record
Wikipedia article "Asiana Airlines Flight 733" (page 9608089, revision 1374953870)
Date
Wikipedia infobox: date
Place and country
Wikipedia infobox: site
Map position
Wikipedia article coordinates
Aircraft, operator and route
Wikipedia infobox: aircraft type, registration, operator, origin and destination; route airports from the linked airport articles' Wikidata codes (OurAirports)
Operation
airline flight number in the infobox
Fatalities
Wikipedia infobox: aircraft fatalities
Ground fatalities
not stated in the Wikipedia infobox
Summary
Wikipedia infobox: summary
Source notes (1)
  • Wikipedia · Facts from the Wikipedia article's infobox and coordinates, not checked against an investigation report. Independent review pending.