# NTSB Accident IAD01LA108
> **Von Claparede Clemen Preceptor-Ultra** · 2001-09-29 · Dublin, VA, USA · NONE
## Event
- **NTSB number:** IAD01LA108
- **Event ID:** 20011011X02074
- **Type:** Accident
- **Date:** 2001-09-29
- **Location:** Dublin, VA, USA
- **Coordinates:** 37.235, -80.616943
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Von Claparede Clemen
- **Model:** Preceptor-Ultra
- **Registration:** N66VC
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain sufficient altitude/clearance, which resulted in the airplane's collision with terrain.  A factor was the downdraft.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=IAD01LA108) · AI Analytics · CC0 1.0*