# Accident 20210512008989A: Aerospatiale AS350 B2 ECUREUIL, Yukon, OK, May 12, 2021

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 12, 2021, 15:32 local time
- Place: Yukon, OK
- Airport: Clarence E. Page Municipal Air
- Damage: Destroyed
- Phase of flight: Takeoff: Climb Out
- Operating rules: General operating rules (Part 91)
- Location: 35.4918° N, 97.8212° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=35.4918&lon=-97.8212&mi=10
- Aircraft: N841BP, a cancelled registration (https://openairdocs.org/deregistered/N841BP-2022-06-04) (OpenAirDocs)
- Registry model: Aerospatiale AS350 B2 ECUREUIL (registry code 8680813, https://openairdocs.org/model/aerospatiale-as350-b2-ecureuil) (OpenAirDocs)
- Registry engine: Turbomeca ARRIEL-1D1 (registry code 60053, https://openairdocs.org/engine/turbomeca-arriel-1d1) (OpenAirDocs)
- Reported make and model: AEROSPATIALE AS350 B2 ECUREUIL
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 2
- NTSB investigation: [NTSB CEN21LA216](https://openairdocs.org/ntsb/CEN21LA216) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20210512008989A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

AT APPROXIMATELY 1450 THE AIRCRAFT DEPARTED FOR WILL ROGERS AIRPORT (KOKC) FOR A SERIES OF TRAINING MANEUVERS AT/NEAR  E. PAGE MUNICIPAL AIRPORT (KRCE). ARRIVED AT PAGE AIRPORT AT 1500. AFTER SEVERAL TRAINING MANEUVERS THE AIRCRAFT LANDED ON RUNWAY 35L.  AT 1532 LOCAL TIME THE AIRCRAFT DEPARTED RUNWAY 35L AND ACCORDING TO THE PILOT, AT ABOUT 25 FEET AGL THE AIRCRAFT STARTED TO YAW TO THE LEFT. THE INSTRUCTOR TOOK CONTROL OF THE AIRCRAFT AT THAT TIME. THE CONTROL LOADS BECAME EXCESSIVE AND THE HYDR LIGHT ON THE CAUTION WAS ILLUMINATED. THE PILOT WAS UNABLE TO RECOVER THE AIRCRAFT FROM THE LEFT SPIN AND THE AIRCRAFT STRUCK THE GROUND APPROXIMATELY 150-200 YARDS WEST OF RUNWAY 25L. THE CREW EXITED THE AIRCRAFT AND NOTICED THE AIRCRAFT HAD CAUGHT FIRE. THE AIRCRAFT WAS DESTROYED IN THE POST CRASH FIRE.

## The NTSB's investigation of this event (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 CEN21LA216](https://openairdocs.org/ntsb/CEN21LA216), May 12, 2021: Aerospatiale AS350 B2 Ecureuil (N841BP), Yukon, OK, destroyed. Probable cause: The pilot receiving instruction’s untimely and unidentified inadvertent activation of the hydraulic cut-off switch, which turned off the hydraulic system while the helicopter was at slow airspeed…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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