# NTSB Accident WPR12LA138
> **RAVEN INDUSTRIES INC S-66A** · 2012-03-16 · Avra Valley, AZ, USA · MINR
## Event
- **NTSB number:** WPR12LA138
- **Event ID:** 20120316X40147
- **Type:** Accident
- **Date:** 2012-03-16
- **Location:** Avra Valley, AZ, USA
- **Coordinates:** 32.434841, -111.31562
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 3
- **Uninjured:** 6
- **Total aboard:** 9
## Aircraft
- **Make:** RAVEN INDUSTRIES INC
- **Model:** S-66A
- **Registration:** N57194
- **FAR Part:** 091
- **Engines:** 0
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's improper decision to partially open the balloon's vent before clearing a power line while landing, which resulted in the balloon descending too soon and contacting the power line.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR12LA138) · AI Analytics · CC0 1.0*