# NTSB Accident FTW01FA033
> **Cessna 421B** · 2000-12-10 · NORMAN, OK, USA · FATL
## Event
- **NTSB number:** FTW01FA033
- **Event ID:** 20001218X45437
- **Type:** Accident
- **Date:** 2000-12-10
- **Location:** NORMAN, OK, USA
- **Coordinates:** 35.209648, -97.440666
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Cessna
- **Model:** 421B
- **Registration:** N52KL
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** NDRK
- **Weather:** IMC
## Probable cause

the pilot's failure to follow the instrument approach procedure and his continued descent below the prescribed minimum descent altitude (MDA).  Contributory factors were the pilot's physical impairment from drugs, the low ceiling, fog, and dark night light conditions.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW01FA033) · AI Analytics · CC0 1.0*