Accident: Boeing CH-46E
Aug 5, 2023 · Springerville, AZ
NTSB numberWPR23LA306Event id20230807192818
- 0
- Fatalities
- 0
- Serious injuries
- 0
- Minor injuries
- 3
- Uninjured
Probable cause
The flight crew’s misidentification of a No. 2 torque sensing system signal conditioner malfunction when both engines were performing normally, which resulted in their attempt to execute a single-engine steep approach and landing without sufficient engine power. Contributing to the accident was the failure of the torque sensing system signal conditioner.
Source: National Transportation Safety Board. Record last changed Oct 28, 2026, 10:54 UTC.
Aircraft involved
- Aircraft
- Boeing CH-46E
- Registration
- N461WY
- Year built
- 1968
- Category
- Helicopter
- Damage
- Destroyed
- Operating rules
- Part 91: general aviation
- Defining event
- Enroute Loss of engine power (partial)
Source: National Transportation Safety Board aviation accident database. Counts only; Voydar holds no names.
This page restates the NTSB's public record. Injury figures are counts; Voydar does not hold or publish the names of anyone involved.