# NTSB Accident MIA91LA043
> **PIPER PA-28-151** · 1990-12-12 · JUPITER, FL, USA · NONE
## Event
- **NTSB number:** MIA91LA043
- **Event ID:** 20001212X24789
- **Type:** Accident
- **Date:** 1990-12-12
- **Location:** JUPITER, FL, USA
- **Coordinates:** 26.919586, -80.099159
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 4
## Aircraft
- **Make:** PIPER
- **Model:** PA-28-151
- **Registration:** N4480F
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

PARTIAL LOSS OF ENGINE POWER DUE TO FAILURE OF AN EXHAUST VALVE, DUE TO A VALVE GUIDE THAT WAS WORN BEYOND SPECIFICATIONS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA91LA043) · AI Analytics · CC0 1.0*