# NTSB GAA23WA118: Sud Aviation/Eurocopter Alouette II SE313B, N45VX, Mangsee Island, Philippines, March 1, 2023

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Class 5 · Foreign
- Date: March 1, 2023
- Place: Mangsee Island, Philippines · Sunk in the Sulu Sea, and not located.
- Coordinates: 7.510879, 117.312236
- Nearby events: https://openairdocs.org/map.md?lat=7.5109&lon=117.3122&mi=10
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Defining event: [Unknown: Missing aircraft](https://openairdocs.org/ntsb-events/990)
- Highest injury: Fatal
- Injuries: 4 fatal
- 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): 107011
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=GAA23WA118
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/107011/pdf
- Page: https://openairdocs.org/ntsb/GAA23WA118

## Sequence of events

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

- [Unknown: Missing aircraft](https://openairdocs.org/ntsb-events/990) (defining event); cases with it: [Sud Aviation/Eurocopter ALOUETTE II SE313B, 1 case](https://openairdocs.org/ntsb-events/990/sequence.md?model=8680507), [All aircraft, 15 cases](https://openairdocs.org/ntsb-events/990/sequence.md)

## Aircraft

- Registration: [N45VX](https://openairdocs.org/aircraft/N45VX), registered now, S/N 1229, built 1959 (OpenAirDocs)
- Reported make and model: SUD AVIATION/EUROCOPTER ALOUETTE II SE313B
- Registry model: [Sud Aviation/Eurocopter ALOUETTE II SE313B](https://openairdocs.org/model/sud-aviation-eurocopter-alouette-ii-se313b) (registry code 8680507) (OpenAirDocs)
- Registry engine: [Turbomeca ARTOUSTE II series](https://openairdocs.org/engine/turbomeca-artouste-ii-series) (registry code 60002, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Serial number: 1229
- Year built: 1959
- Operator: Gospel Ministries International Inc
- Registered owner: Gospel Ministries International Inc

## Other investigations on N45VX (1)

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.

- [NTSB WPR12CA303](https://openairdocs.org/ntsb/WPR12CA303), Jul 13, 2012: Sud Aviation/Eurocopter Alouette II SE313B (N45VX), Glenn, CA, substantial damage. Probable cause: The pilot's inadequate compensation for a tailwind while hovering, which resulted in a loss of directional control.

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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