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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.

NTSB docket WPR23LA306

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.