# NTSB Accident WPR23LA306
> **BOEING CH-46E** · 2023-08-05 · Springerville, AZ, USA · NONE
## Event
- **NTSB number:** WPR23LA306
- **Event ID:** 20230807192818
- **Type:** Accident
- **Date:** 2023-08-05
- **Location:** Springerville, AZ, USA
- **Coordinates:** 33.730624, -109.41119
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** BOEING
- **Model:** CH-46E
- **Registration:** N461WY
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## 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.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR23LA306) · AI Analytics · CC0 1.0*