# NTSB Accident SEA99LA063
> **Lake LA-4** · 1999-05-15 · COEUR D'ALENE, ID, USA · NONE
## Event
- **NTSB number:** SEA99LA063
- **Event ID:** 20001212X18889
- **Type:** Accident
- **Date:** 1999-05-15
- **Location:** COEUR D'ALENE, ID, USA
- **Coordinates:** 47.779365, -116.710456
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Lake
- **Model:** LA-4
- **Registration:** N152WB
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The fatigue failure of a repair weld on one of the engine pylon mount straps and the resultant reduction in directional control. Factors include an inadequate repair of the strap, variable wind speeds and sudden wind shifts.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA99LA063) · AI Analytics · CC0 1.0*