# NTSB GAA25WA129: Mcdonnell Douglas Helicopter 600, N511VA, Dos Ríos, Mexico, March 21, 2025

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Class 5 · Foreign
- Date: March 20, 2025, 20:00 local (Mar 21, 2025, 02:00 UTC)
- Place: Dos Ríos, Mexico
- Coordinates: 18.9544, -97.024 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=18.9544&lon=-97.0240&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Defining event: [Maneuvering: Unknown or undetermined](https://openairdocs.org/ntsb-events/000)
- 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
- Parties: DAAIA
- NTSB case key (mKey): 199951
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=GAA25WA129
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/199951/pdf
- Page: https://openairdocs.org/ntsb/GAA25WA129

## Sequence of events

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

- [Maneuvering: Unknown or undetermined](https://openairdocs.org/ntsb-events/000) (defining event); cases with it: [Mcdonnell Douglas Helicopter 600N, 1 case](https://openairdocs.org/ntsb-events/000/sequence.md?model=3027377), [All aircraft, 1,703 cases](https://openairdocs.org/ntsb-events/000/sequence.md)

## Aircraft

- Registration: [N511VA](https://openairdocs.org/aircraft/N511VA), registered now, S/N RN023 (OpenAirDocs)
- Reported make and model: MCDONNELL DOUGLAS HELICOPTER 600 (N)
- Registry model: [Mcdonnell Douglas Helicopter 600N](https://openairdocs.org/model/mcdonnell-douglas-helicopter-600n) (registry code 3027377) (OpenAirDocs)
- Registry engine: [Allison 250-C47 series](https://openairdocs.org/engine/allison-250-c47-series) (registry code 03029, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Serial number: RN023
- Engines: ALLISON 250-C47 600 horsepower turbo shaft
- Damage: Substantial damage
- Flight: Non-U.S., non-commercial
- Registered owner: Ab Monterrey Aircraft LLC

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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