# NTSB Accident DEN02LA103
> **Adler SA-1** · 2002-09-08 · Mead, CO, USA · FATL
## Event
- **NTSB number:** DEN02LA103
- **Event ID:** 20020920X05186
- **Type:** Accident
- **Date:** 2002-09-08
- **Location:** Mead, CO, USA
- **Coordinates:** 40.214168, -104.950279
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Adler
- **Model:** SA-1
- **Registration:** N551SA
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the pilot's failure to maintain main rotor rpm, resulting in blade flapping, subsequent blade contact with the airframe, and loss of control.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN02LA103) · AI Analytics · CC0 1.0*