# NTSB Accident FTW98FA089
> **Cameron R-420** · 1998-01-09 · YESO, NM, USA · SERS
## Event
- **NTSB number:** FTW98FA089
- **Event ID:** 20001211X09419
- **Type:** Accident
- **Date:** 1998-01-09
- **Location:** YESO, NM, USA
- **Coordinates:** 34.42918, -104.600791
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Cameron
- **Model:** R-420
- **Registration:** N298AR
- **FAR Part:** 091
- **Engines:** —
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The rupture of the gas cell bottom (diaphragm) due to inadequate manufacturer's design and inadequate manufacturing quality control.  A factor was the flight crew's performance of an emergency bailout which allowed the balloon to drift unattended for approximately 7 hours and 18 minutes.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW98FA089) · AI Analytics · CC0 1.0*