Accident: Aerospatiale AS350 B2 ECUREUIL
May 12, 2021 · Yukon, OK
NTSB numberCEN21LA216Event id20210513103077
- 0
- Fatalities
- 0
- Serious injuries
- 0
- Minor injuries
- 2
- Uninjured
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 followed by a rapid power increase, which resulted in a loss of control. Contributing was the pilot’s failure to relinquish control of the helicopter to the flight instructor when directed.
Source: National Transportation Safety Board. Record last changed Oct 28, 2026, 10:54 UTC.
Aircraft involved
- Aircraft
- Aerospatiale AS350 B2 ECUREUIL
- Registration
- N841BP
- Year built
- 1987
- Category
- Helicopter
- Damage
- Destroyed
- Operating rules
- Public aircraft
- Defining event
- Maneuvering Loss of control in flight
Source: National Transportation Safety Board aviation accident database. Counts only; Voydar holds no names.
Nearest airports
Airports with a Voydar profile closest to the recorded position. Proximity only.
- Clarence E Page Municipal Airport (KRCE)0 nm (0 km) south-west
- Wiley Post Airport (PWA)9 nm (16 km) east
- El Reno Regional Airport (RQO)9 nm (17 km) west
This page restates the NTSB's public record. Injury figures are counts; Voydar does not hold or publish the names of anyone involved.