# NTSB Accident DEN89LA143
> **CESSNA 172M** · 1989-06-20 · BOULDER, CO, USA · NONE
## Event
- **NTSB number:** DEN89LA143
- **Event ID:** 20001213X28558
- **Type:** Accident
- **Date:** 1989-06-20
- **Location:** BOULDER, CO, USA
- **Coordinates:** 40.020988, -105.249816
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 172M
- **Registration:** N80893
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

INADEQUATE COMPENSATION FOR WIND CONDITIONS BY THE (PRIVATE RATED) DUAL STUDENT AND HIS FAILURE TO MAINTAIN DIRECTIONAL CONTROL, WHICH RESULTED IN AN INADVERTENT GROUND SWERVE, AND INADEQUATE SUPERVISION BY THE INSTRUCTOR PILOT (CFI). A FACTOR RELATED TO THE ACCIDENT WAS: THE UNFAVORABLE WIND CONDITON.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN89LA143) · AI Analytics · CC0 1.0*