# NTSB Accident FTW91FA027
> **CESSNA 421B** · 1991-01-06 · MUSKOGEE, OK, USA · FATL
## Event
- **NTSB number:** FTW91FA027
- **Event ID:** 20001212X16312
- **Type:** Accident
- **Date:** 1991-01-06
- **Location:** MUSKOGEE, OK, USA
## Injuries
- **Highest injury:** FATL
- **Fatal:** 6
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 6
## Aircraft
- **Make:** CESSNA
- **Model:** 421B
- **Registration:** N421H
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** NDRK
- **Weather:** IMC
## Probable cause

THE PILOT'S FAILURE TO MAINTAIN CONTROL OF THE AIRCRAFT, DUE TO SPATIAL DISORIENTATION.  FACTORS RELATED TO THE ACCIDENT WERE: DARKNESS, ADVERSE WEATHER CONDITIONS, AND THE PILOT'S PHYSICAL IMPAIRMENT FROM THE CHRONIC SINUS INFECTION.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW91FA027) · AI Analytics · CC0 1.0*