# NTSB Incident BFO92IA046
> **BOEING 747-123** · 1992-03-19 · LOUISVILLE, KY, USA · NONE
## Event
- **NTSB number:** BFO92IA046
- **Event ID:** 20001211X14235
- **Type:** Incident
- **Date:** 1992-03-19
- **Location:** LOUISVILLE, KY, USA
- **Coordinates:** 38.179054, -85.719467
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 4
## Aircraft
- **Make:** BOEING
- **Model:** 747-123
- **Registration:** N681UP
- **FAR Part:** 121
- **Engines:** 4
- **Damage:** MINR
## Conditions
- **Light:** NBRT
- **Weather:** VMC
## Probable cause

INADEQUATE OBSTACLE CLEARANCE, WHICH RESULTED IN ON GROUND COLLISION WITH A BLAST FENCE.  CONTRIBUTING WAS INADEQUATE INSTRUCTION FROM GROUND PERSONNEL.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=BFO92IA046) · MORVS · CC0 1.0*