# NTSB ENG25WA058: ATR ATR72, Zagreb, Croatia, December 12, 2024

- Type: NTSB incident investigation
- Classification: Incident · Class 5 · Foreign
- Date: December 12, 2024
- Place: Zagreb, Croatia
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Pressure/environ sys malf/fail](https://openairdocs.org/ntsb-events/331)
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- NTSB case key (mKey): 202664
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG25WA058
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/202664/pdf
- Page: https://openairdocs.org/ntsb/ENG25WA058

## Sequence of events

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

- [Enroute: Pressure/environ sys malf/fail](https://openairdocs.org/ntsb-events/331) (defining event); cases with it: [All aircraft, 116 cases](https://openairdocs.org/ntsb-events/331/sequence.md)

## Aircraft

- Registration: SP-SPG (not matched to a registry record)
- Reported make and model: ATR ATR72 (202)
- Category: Airplane
- Damage: No damage
- Flight: Part 129

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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