# NTSB Accident NYC89FA029
> **RYAN NAVION A** · 1988-11-14 · FRANKLIN, PA, USA · FATL
## Event
- **NTSB number:** NYC89FA029
- **Event ID:** 20001213X27332
- **Type:** Accident
- **Date:** 1988-11-14
- **Location:** FRANKLIN, PA, USA
- **Coordinates:** 41.389263, -79.830116
## Injuries
- **Highest injury:** FATL
- **Fatal:** 3
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** RYAN
- **Model:** NAVION A
- **Registration:** N5164K
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

DUE TO IMPROPER GRADE OF FUEL IN THE AIRPLANE AND BENT AND BINDING EXHAUST VALVES, THE AIRPLANE ENGINE HAD A PARTIAL LOSS OF POWER DURING THE TAKEOFF GROUND RUN. THE PILOT DID NOT ABORT THE TAKEOFF AND THE AIRPLANE STALLED AND COLLIDED WITH TREES WHEN THE PILOT FAILED TO MAINTAIN FLYING AIRSPEED.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=NYC89FA029) · AI Analytics · CC0 1.0*