# NTSB Accident SEA99LA064
> **Boeing B75N1** · 1999-04-30 · CHEHALIS, WA, USA · NONE
## Event
- **NTSB number:** SEA99LA064
- **Event ID:** 20001205X00570
- **Type:** Accident
- **Date:** 1999-04-30
- **Location:** CHEHALIS, WA, USA
- **Coordinates:** 46.620159, -122.999328
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Boeing
- **Model:** B75N1
- **Registration:** N275HP
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Directional control was not maintained after the right brake locked up for undetermined reasons.  An uncontrolled ground loop was a factor.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA99LA064) · AI Analytics · CC0 1.0*