# NTSB Accident FTW89LA135
> **CESSNA 421** · 1989-07-13 · OKMULGEE, OK, USA · SERS
## Event
- **NTSB number:** FTW89LA135
- **Event ID:** 20001213X28842
- **Type:** Accident
- **Date:** 1989-07-13
- **Location:** OKMULGEE, OK, USA
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** CESSNA
- **Model:** 421
- **Registration:** N699PC
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

FAILURE OF THE NOSE GEAR EXTENSION ASSEMBLY AND THE PILOT'S IMPROPER PRECAUTIONARY LANDING PROCEDURES THAT INCLUDED SECURING THE ENGINES PRIOR TO A POINT WHERE A SAFE LANDING WAS ASSURED.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW89LA135) · AI Analytics · CC0 1.0*