# NTSB Accident MKC89LA180
> **PIPER PA-22-150** · 1989-08-14 · ST. CLAIR, MO, USA · SERS
## Event
- **NTSB number:** MKC89LA180
- **Event ID:** 20001213X29212
- **Type:** Accident
- **Date:** 1989-08-14
- **Location:** ST. CLAIR, MO, USA
- **Coordinates:** 38.349552, -90.979537
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** PIPER
- **Model:** PA-22-150
- **Registration:** N7136B
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S INABILITY TO ESTABLISH A POSITIVE RATE OF CLIMB DUE TO THE MISJUDGED WEIGHT AND BALANCE CALCULATIONS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MKC89LA180) · AI Analytics · CC0 1.0*