# NTSB Accident ATL89LA121
> **AERO COMMANDER 685** · 1989-04-05 · SOUTHERN PINES, NC, USA · MINR
## Event
- **NTSB number:** ATL89LA121
- **Event ID:** 20001213X28027
- **Type:** Accident
- **Date:** 1989-04-05
- **Location:** SOUTHERN PINES, NC, USA
- **Coordinates:** 35.180812, -79.400802
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 3
- **Total aboard:** 4
## Aircraft
- **Make:** AERO COMMANDER
- **Model:** 685
- **Registration:** N685RB
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S IMPROPER USE OF THE MIXTURE CONTROLS WHICH RESULTED IN ENGINE ROUGHNESS AND THE FAILURE TO PROPERLY EXECUTE THE EMERGENCY PROCEDURE FOR A ROUGH ENGINE BY PLACING THE FUEL BOOST PUMP SWITCH IN THE LOW POSITION.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL89LA121) · AI Analytics · CC0 1.0*