# NTSB Accident DEN91LA106
> **CESSNA 210B** · 1991-08-01 · ASPEN, CO, USA · SERS
## Event
- **NTSB number:** DEN91LA106
- **Event ID:** 20001212X17842
- **Type:** Accident
- **Date:** 1991-08-01
- **Location:** ASPEN, CO, USA
- **Coordinates:** 39.189914, -106.819625
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** CESSNA
- **Model:** 210B
- **Registration:** N9711X
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A PILOT INDUCED INADVERTENT STALL.  FACTORS WERE:  THE PILOT'S FAILURE TO ASCERTAIN THE LANDING GEAR WAS DOWN AND LOCKED IN A TIMELY MANNER, A LOW (FLUID) LEVEL IN HYDRAULIC RESERVOIR, CAUSING THE HYDRAULIC PUMP TO FLUCTUATE (CAVITATE), AND THE PILOT'S ATTENTION BEING DIVERTED.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN91LA106) · AI Analytics · CC0 1.0*