# NTSB DCA25WA223: Boeing 737-8 Max, Muscat, Oman, May 31, 2025

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Class 5 · Foreign
- Date: May 31, 2025, 05:22 local (05:22 UTC)
- Place: Muscat, Oman
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute-climb to cruise: Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330)
- Highest injury: No injuries
- Injuries: 150 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: Major Investigations Division
- Lead agency: Other
- NTSB case key (mKey): 200242
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA25WA223
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/200242/pdf
- Page: https://openairdocs.org/ntsb/DCA25WA223

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Enroute-climb to cruise: Sys/Comp malf/fail (non-power)](https://openairdocs.org/ntsb-events/330) (defining event); cases with it: [All aircraft, 994 cases](https://openairdocs.org/ntsb-events/330/sequence.md)

## Aircraft

- Registration: A4O-ML (not matched to a registry record)
- Reported make and model: BOEING 737-8 Max
- Flight: Non-U.S., commercial
- Operator: Oman Air

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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