# NTSB Accident DEN89LA160
> **Grumman-Schweizer G-164B** · 1989-07-08 · HOLDEN, UT, USA · NONE
## Event
- **NTSB number:** DEN89LA160
- **Event ID:** 20001213X28803
- **Type:** Accident
- **Date:** 1989-07-08
- **Location:** HOLDEN, UT, USA
- **Coordinates:** 39.139904, -112.340316
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Grumman-Schweizer
- **Model:** G-164B
- **Registration:** N6754Q
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAWN
- **Weather:** VMC
## Probable cause

THE PILOT'S MISJUDGEMENT OF THE EFFECT OF HIGH DENSITY ALTITUDE ON A HEAVILY LOADED AIRCRAFT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN89LA160) · AI Analytics · CC0 1.0*