# NTSB Incident DEN07IA066
> **Diamond Aircraft Industries DA-20-C1** · 2007-03-06 · Pueblo, CO, USA · NONE
## Event
- **NTSB number:** DEN07IA066
- **Event ID:** 20070313X00280
- **Type:** Incident
- **Date:** 2007-03-06
- **Location:** Pueblo, CO, USA
- **Coordinates:** 38.289005, -104.539505
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Diamond Aircraft Industries
- **Model:** DA-20-C1
- **Registration:** N921DA
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the horizontal stabilizer forward bracket bolts due to insufficent preload during factory installation.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN07IA066) · AI Analytics · CC0 1.0*