# NTSB WPR27FA025: Robinson Helicopter R22 Beta, N501HL, Dayton, OR, October 29, 2026

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Class 3 · Field · Investigation open
- Date: October 29, 2026, 14:10 local (21:10 UTC)
- Place: Dayton, OR
- Location: 45.2199° N, 123.0781° W: Placed by OpenAirDocs: center of Dayton, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.2199&lon=-123.0781&mi=10
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Defining events: [Unknown: Midair collision](https://openairdocs.org/ntsb-events/250); [Unknown: Midair collision](https://openairdocs.org/ntsb-events/250)
- Highest injury: Fatal
- Injuries: 3 fatal
- Status: Investigation ongoing
- Investigation class: Class 3
- NTSB office: Western Pacific Region
- NTSB case key (mKey): 204089
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR27FA025
- Latest NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/204089/pdf
- Page: https://openairdocs.org/ntsb/WPR27FA025

## Sequence of events

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

- [Unknown: Midair collision](https://openairdocs.org/ntsb-events/250) (defining event), aircraft 1; cases with it: [Robinson Helicopter R22 BETA, 5 cases](https://openairdocs.org/ntsb-events/250/sequence.md?model=7640110), [All aircraft, 198 cases](https://openairdocs.org/ntsb-events/250/sequence.md)
- [Unknown: Midair collision](https://openairdocs.org/ntsb-events/250) (defining event), aircraft 2; cases with it: [Airbus Helicopters AS350B3, 1 case](https://openairdocs.org/ntsb-events/250/sequence.md?model=1145005), [All aircraft, 198 cases](https://openairdocs.org/ntsb-events/250/sequence.md)

## Aircraft 1

- Registration: [N501HL](https://openairdocs.org/aircraft/N501HL), registered now, S/N 2500, built 1995 (OpenAirDocs)
- Reported make and model: ROBINSON HELICOPTER R22 BETA
- Registry model: [Robinson Helicopter R22 BETA](https://openairdocs.org/model/robinson-helicopter-r22-beta) (registry code 7640110) (OpenAirDocs)
- Registry engine: [Lycoming O-320-B2C](https://openairdocs.org/engine/lycoming-o-320-b2c) (registry code 42139, reciprocating) (OpenAirDocs)
- Flight: Instructional, Part 91
- Operator: Aarow Aircraft Leasing LLC
- Registered owner: Aarow Aircraft Leasing LLC

## Aircraft 2

- Registration: [N704RH](https://openairdocs.org/aircraft/N704RH), registered now, S/N 8467, built 2018 (OpenAirDocs)
- Reported make and model: AIRBUS HELICOPTERS INC AS350B3
- Registry model: [Airbus Helicopters AS350B3](https://openairdocs.org/model/airbus-helicopters-as350b3) (registry code 1145005) (OpenAirDocs)
- Registry engine: [Safran ARRIEL-2D](https://openairdocs.org/engine/safran-arriel-2d) (registry code 59997, turbo-shaft) (OpenAirDocs)
- Flight: Business, Part 91
- Operator: Valiair Lc Trustee
- Registered owner: Valiair Lc Trustee

## Weather

- Conditions: Visual (VMC), Day
- Wind: 310° at 5 knots
- Observed at: 1 nm away

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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