# NTSB Accident LAX90LA277
> **Thunder and Colt AX9-140 SLI** · 1990-08-07 · NAPA, CA, USA · SERS
## Event
- **NTSB number:** LAX90LA277
- **Event ID:** 20001212X24046
- **Type:** Accident
- **Date:** 1990-08-07
- **Location:** NAPA, CA, USA
- **Coordinates:** 38.550693, -122.150695
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 5
- **Uninjured:** 1
- **Total aboard:** 7
## Aircraft
- **Make:** Thunder and Colt
- **Model:** AX9-140 SLI
- **Registration:** N9112R
- **FAR Part:** 091
- **Engines:** —
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

FLIGHT'S ENCOUNTER WITH A PROBABLE MICROBURST WEATHER PHENOMENA WITH DOWN DRAFTS AND WINDS BEYOND THE PERFORMANCE 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=LAX90LA277) · AI Analytics · CC0 1.0*