# NTSB Accident ATL89LA126
> **GRUMMAN AA-5B** · 1989-04-13 · SILER CITY, NC, USA · NONE
## Event
- **NTSB number:** ATL89LA126
- **Event ID:** 20001213X28030
- **Type:** Accident
- **Date:** 1989-04-13
- **Location:** SILER CITY, NC, USA
- **Coordinates:** 35.720821, -79.459053
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** GRUMMAN
- **Model:** AA-5B
- **Registration:** N28990
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAWN
- **Weather:** VMC
## Probable cause

IMPROPER ENGINE OVERHAUL PROCEDURES WHICH RESULTED IN THE CATASTROPHIC FAILURE OF THE ENGINE CRANKSHAFT. CONTRIBUTING TO THE ACCIDENT WAS THE LACK OF A SUITABLE FORCED LANDING AREA.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL89LA126) · AI Analytics · CC0 1.0*