# NTSB GAA25WA254: Bell 412, Guadarranque reservoir, Spain, September 5, 2025

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Class 5 · Foreign
- Date: September 5, 2025, 08:34 local (08:34 UTC)
- Place: Guadarranque reservoir, Spain
- Phase of flight: [Other](https://openairdocs.org/ntsb-phases/800) (OpenAirDocs' grouping)
- Defining event: [Other: Loss of control in flight](https://openairdocs.org/ntsb-events/240)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: General Aviation Accidents
- Lead agency: Other
- NTSB case key (mKey): 200965
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=GAA25WA254
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/200965/pdf
- Page: https://openairdocs.org/ntsb/GAA25WA254

## Sequence of events

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

- [Other: Loss of control in flight](https://openairdocs.org/ntsb-events/240) (defining event); cases with it: [All aircraft, 5,002 cases](https://openairdocs.org/ntsb-events/240/sequence.md)

## Aircraft

- Registration: EC-MRK (not matched to a registry record)
- Reported make and model: BELL 412
- Category: Helicopter
- Serial number: 36067
- Flight: Non-U.S., non-commercial

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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