# NTSB Accident LAX90LA340
> **BALLOON WORKS FIREFLY 9** · 1990-09-29 · VACAVILLE, CA, USA · SERS
## Event
- **NTSB number:** LAX90LA340
- **Event ID:** 20001212X24320
- **Type:** Accident
- **Date:** 1990-09-29
- **Location:** VACAVILLE, CA, USA
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 8
- **Total aboard:** 9
## Aircraft
- **Make:** BALLOON WORKS
- **Model:** FIREFLY 9
- **Registration:** N90902
- **FAR Part:** 091
- **Engines:** —
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE BALLOON'S ENCOUNTER WITH A SUDDEN INCREASE IN WIND SPEED ACCOMPAINED BY A STRONG DOWN DRAFT BEYOND THE COMPENSATION CAPABILITY OF THE BALLOON.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX90LA340) · AI Analytics · CC0 1.0*