# NTSB Accident WPR15CA128
> **ENSTROM F28 - C** · 2015-03-14 · Shelby, MT, USA · NONE
## Event
- **NTSB number:** WPR15CA128
- **Event ID:** 20150318X45522
- **Type:** Accident
- **Date:** 2015-03-14
- **Location:** Shelby, MT, USA
- **Coordinates:** 48.44889, -111.971946
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** ENSTROM
- **Model:** F28 - C
- **Registration:** N5688N
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain main rotor RPM during a low altitude operation, which resulted in a loss of aircraft control and collision with terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR15CA128) · AI Analytics · CC0 1.0*