# NTSB Accident DEN89DTI02
> **MUSICK/TERRATORN TIERRA II** · 1989-07-02 · LEWISTOWN, MT, USA · FATL
## Event
- **NTSB number:** DEN89DTI02
- **Event ID:** 20001213X28788
- **Type:** Accident
- **Date:** 1989-07-02
- **Location:** LEWISTOWN, MT, USA
- **Coordinates:** 47.010066, -109.340499
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** MUSICK/TERRATORN
- **Model:** TIERRA II
- **Registration:** N349SM
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE UNQUALIFIED PILOT ALLOWED THE AIRCRAFT TO BECOME AIRBORNE WHILE TAXIING AT HIGH SPEED, HE FAILED TO MAINTAIN CONTROL OF THE AIRCRAFT, AND HE INADVERTENTLY ALLOWED IT TO ENTER A STALL/SPIN AND CRASHED. FACTORS RELATED TO THE ACCIDENT WERE:  HIS FAILURE TO FOLLOW PROCEDURES/DIRECTIVES, AND HIS LACK OF QUALIFICATION AS A PILOT

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN89DTI02) · AI Analytics · CC0 1.0*