# NTSB Accident SEA91LA098
> **RICHARD CHENEY TERATORN TIERRA II** · 1991-05-05 · MORGAN, UT, USA · SERS
## Event
- **NTSB number:** SEA91LA098
- **Event ID:** 20001212X17118
- **Type:** Accident
- **Date:** 1991-05-05
- **Location:** MORGAN, UT, USA
- **Coordinates:** 41.010482, -111.670722
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** RICHARD CHENEY
- **Model:** TERATORN TIERRA II
- **Registration:** N134TA
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE INADVERTANT STALL AND THE PILOT'S STEEP BANKED TURN.  FACTORS RELATING TO THE ACCIDENT WERE THE PILOT'S LACK OF QUALIFICATION TO CONDUCT THE FLIGHT AND THE STRONG TAILWIND CONDITIONS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA91LA098) · AI Analytics · CC0 1.0*