# NTSB Accident MIA90LA016
> **LAKE LA-4** · 1989-10-21 · APALACHICOLA, FL, USA · MINR
## Event
- **NTSB number:** MIA90LA016
- **Event ID:** 20001213X29659
- **Type:** Accident
- **Date:** 1989-10-21
- **Location:** APALACHICOLA, FL, USA
- **Coordinates:** 29.720062, -84.98925
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** LAKE
- **Model:** LA-4
- **Registration:** N1212L
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAWN
- **Weather:** VMC
## Probable cause

BINDING AND SUBSEQUENT FAILURE OF THE #1 EXHAUST VALVE.  A FACTOR RELATED TO THE ACCIDENT WAS:   THE SOFT/WET (SWAMPY) TERRAIN CONDITION IN THE EMERGENCY LANDING AREA.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA90LA016) · AI Analytics · CC0 1.0*