# NTSB Accident LAX94LA011
> **BEECH C90A** · 1993-10-12 · NAPA, CA, USA · NONE
## Event
- **NTSB number:** LAX94LA011
- **Event ID:** 20001211X13588
- **Type:** Accident
- **Date:** 1993-10-12
- **Location:** NAPA, CA, USA
- **Coordinates:** 38.550815, -122.14923
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** BEECH
- **Model:** C90A
- **Registration:** N487JD
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE DUAL STUDENT'S IMPROPER USE OF POWERPLANT CONTROLS, AND INADEQUATE SUPERVISION BY THE FLIGHT INSTRUCTOR (CFI).

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX94LA011) · AI Analytics · CC0 1.0*