# NTSB Accident SEA08LA149
> **Van Heeswyk Lightning** · 2008-06-01 · Marana, AZ, USA · FATL
## Event
- **NTSB number:** SEA08LA149
- **Event ID:** 20080604X00790
- **Type:** Accident
- **Date:** 2008-06-01
- **Location:** Marana, AZ, USA
- **Coordinates:** 32.409442, -111.21833
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Van Heeswyk
- **Model:** Lightning
- **Registration:** N62JV
- **FAR Part:** 091
- **Engines:** —
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The insufficient clamping force resulting in a fatigue fracture of the propeller extension attachment bolts and subsequent separation of the propeller assembly in flight. Contributing to the accident was the pilot's failure to maintain sufficient airspeed to avoid an inadvertent stall while maneuvering during the emergency approach to the airport.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA08LA149) · AI Analytics · CC0 1.0*