# NTSB Accident DEN90LA009
> **CESSNA 172H** · 1989-10-21 · DEL NORTE, CO, USA · SERS
## Event
- **NTSB number:** DEN90LA009
- **Event ID:** 20001213X29588
- **Type:** Accident
- **Date:** 1989-10-21
- **Location:** DEL NORTE, CO, USA
- **Coordinates:** 37.670112, -106.349502
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 172H
- **Registration:** N1639F
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE FAILURE OF THE PILOT TO MAINTAIN AIRSPEED DURING CLIMB RESULTING IN AN INADVERTENT STALL.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN90LA009) · AI Analytics · CC0 1.0*