# NTSB Accident LAX90LA278
> **Aerostar S-66A** · 1990-08-07 · NAPA, CA, USA · SERS
## Event
- **NTSB number:** LAX90LA278
- **Event ID:** 20010105X00045
- **Type:** Accident
- **Date:** 1990-08-07
- **Location:** NAPA, CA, USA
- **Coordinates:** 38.550559, -122.150543
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 3
- **Uninjured:** 5
- **Total aboard:** 9
## Aircraft
- **Make:** Aerostar
- **Model:** S-66A
- **Registration:** N3595M
- **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=LAX90LA278) · AI Analytics · CC0 1.0*