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| Date: | Friday 17 November 2023 |
| Time: | 13:25 UTC |
| Type: |  Boeing 737-88L (WL) |
| Owner/operator: | Nok Air |
| Registration: | HS-DBT |
| MSN: | 61293/5519 |
| Year of manufacture: | 2015 |
| Engine model: | CFMI CFM56-7B |
| Fatalities: | Fatalities: 0 / Occupants: |
| Other fatalities: | 0 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | over Thailand -
 Thailand
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Bangkok-Don Muang International Airport (DMK/VTBD) |
| Surat Thani Airport (URT/VTSB) | |
| Investigating agency: | AAIC Thailand |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
Nok Air flight DD578, a Boeing 737-88L, was cruising at FL340 when the pilots requested an emergency descent to 10,000 feet and used the oxygen masks. The aircraft landed back at Don Mueang International Airport. The aircraft was not damaged. There were no injuries or fatalities.
The incident aircraft resumed regular service about 34 hours after the occurrence.
Sources:
https://motdrive.mot.go.th/index.php/s/ygL3bqLxug3PsFy#pdfviewer
History of this aircraft
Other occurrences involving this aircraft
| 4 January 2020 | HS-DBT | Nok Air | 0 | near Bangkok-Don Muang International Airport (DMK/VTBD) | |
non |
| 7 February 2020 | HS-DBT | Nok Air | 0 | Bangkok-Don Muang International Airport (DMK/VTBD) | |
min |
| Collision with Ground support equipment | ||||||
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Sep-2025 16:50 | ASN | Added |
| 12-Oct-2025 07:56 | ASN | Updated [Narrative, ] |
Corrections or additions? ... Edit this accident description
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