# NTSB Accident LAX01FA071
> **Worldwide Aeros 40B** · 2001-01-09 · Oakland, CA, USA · MINR
## Event
- **NTSB number:** LAX01FA071
- **Event ID:** 20010123X00344
- **Type:** Accident
- **Date:** 2001-01-09
- **Location:** Oakland, CA, USA
- **Coordinates:** 37.724445, -122.223335
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Worldwide Aeros
- **Model:** 40B
- **Registration:** N819AC
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

One or both of the rear ballonet air relief valves remained in an open position for undetermined reasons, which caused an out-of-balance trim condition; also causal was the flight crew’s decision to the fly the airship with a known deficiency (the inoperative ballonet indicator) and the pilot’s failure to follow proper emergency procedures.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX01FA071) · AI Analytics · CC0 1.0*