# NTSB Accident WPR10CA442
> **SCHWEIZER 269C** · 2010-08-31 · Caldwell, ID, USA · NONE
## Event
- **NTSB number:** WPR10CA442
- **Event ID:** 20100901X33544
- **Type:** Accident
- **Date:** 2010-08-31
- **Location:** Caldwell, ID, USA
- **Coordinates:** 43.641944, -116.635833
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** SCHWEIZER
- **Model:** 269C
- **Registration:** N1534C
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of both pilots to maintain adequate main rotor RPM, the flight instructor's delayed remedial actions, and inadequate supervision of the flight.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR10CA442) · AI Analytics · CC0 1.0*