# NTSB Incident DEN99IA053
> **Gulfstream G-IV** · 1999-03-13 · DURANGO, CO, USA · NONE
## Event
- **NTSB number:** DEN99IA053
- **Event ID:** 20001205X00303
- **Type:** Incident
- **Date:** 1999-03-13
- **Location:** DURANGO, CO, USA
- **Coordinates:** 37.270824, -107.879608
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Gulfstream
- **Model:** G-IV
- **Registration:** N411WW
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the number four fuel line.  Factors were the chaffing of the alternator's electrical wires on the number four fuel line, and the subsequent fire in the number one engine nacelle.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN99IA053) · AI Analytics · CC0 1.0*