# NTSB Accident DEN90DTE01
> **LANIER THORP T-18** · 1989-11-24 · COLORADO CITY, CO, USA · FATL
## Event
- **NTSB number:** DEN90DTE01
- **Event ID:** 20001213X29772
- **Type:** Accident
- **Date:** 1989-11-24
- **Location:** COLORADO CITY, CO, USA
- **Coordinates:** 37.940368, -104.840972
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** LANIER
- **Model:** THORP T-18
- **Registration:** N18FL
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

LOSS OF ENGINE POWER WITH CARBON FOULING OF THE SPARK PLUGS, AND FAILURE OF THE PILOT TO MAINTAIN ADEQUATE AIRSPEED, WHICH RESULTED 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=DEN90DTE01) · AI Analytics · CC0 1.0*