# NTSB Accident DEN89FA154
> **CESSNA 310Q** · 1989-06-29 · CRESTONE, CO, USA · FATL
## Event
- **NTSB number:** DEN89FA154
- **Event ID:** 20001213X28548
- **Type:** Accident
- **Date:** 1989-06-29
- **Location:** CRESTONE, CO, USA
- **Coordinates:** 37.989574, -105.689605
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 310Q
- **Registration:** N7509Q
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT AND HIS FAILURE TO ATTAIN SUFFICIENT ALTITUDE TO SAFELY CLEAR THE MOUNTAINS. CONTRIBUTING FACTORS WERE: MOUNTAINOUS TERRAIN, BOX CANYON, AND HIGH DENSITY ALTITUDE.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN89FA154) · AI Analytics · CC0 1.0*