# NTSB Accident ANC97LA158
> **Pilatus PC-6-350** · 1997-09-30 · PALMER, AK, USA · NONE
## Event
- **NTSB number:** ANC97LA158
- **Event ID:** 20001208X08778
- **Type:** Accident
- **Date:** 1997-09-30
- **Location:** PALMER, AK, USA
- **Coordinates:** 61.61956, -148.980285
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** Pilatus
- **Model:** PC-6-350
- **Registration:** N4911
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

An underspeed of the propeller system.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC97LA158) · AI Analytics · CC0 1.0*