# NTSB Accident LAX90FA332
> **CESSNA 500** · 1990-09-24 · SAN LUIS OBISPO, CA, USA · FATL
## Event
- **NTSB number:** LAX90FA332
- **Event ID:** 20001212X24296
- **Type:** Accident
- **Date:** 1990-09-24
- **Location:** SAN LUIS OBISPO, CA, USA
- **Coordinates:** 35.250076, -120.620872
## Injuries
- **Highest injury:** FATL
- **Fatal:** 4
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 4
## Aircraft
- **Make:** CESSNA
- **Model:** 500
- **Registration:** N79DD
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

THE PILOT'S IMPROPER IFR (INSTRUMENT) PROCEDURE, AND HIS FAILURE TO MAINTAIN THE MINIMUM DESCENT ALTITUDE (MDA) FOR THE APPROACH.  THE ADVERSE WEATHER WAS A RELATED FACTOR.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX90FA332) · AI Analytics · CC0 1.0*