# NTSB Accident CHI91LA167
> **BEECH C-23** · 1991-05-28 · COTTAGE GROVE, MN, USA · MINR
## Event
- **NTSB number:** CHI91LA167
- **Event ID:** 20001212X16960
- **Type:** Accident
- **Date:** 1991-05-28
- **Location:** COTTAGE GROVE, MN, USA
- **Coordinates:** 44.81034, -92.920288
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 4
- **Uninjured:** 0
- **Total aboard:** 4
## Aircraft
- **Make:** BEECH
- **Model:** C-23
- **Registration:** N5172M
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** NBRT
- **Weather:** VMC
## Probable cause

THE PILOT IN COMMAND'S IMPROPER PRE FLIGHT PLANNING AND PREPARATION. FACTORS CONTRIBUTING TO THIS ACCIDENT WERE THE PILOT IN COMMAND'S LACK OF FAMILIARITY WITH THE AIRPLANE AND IMPROPER FUEL CONSUMPTION CALCULATIONS.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91LA167) · AI Analytics · CC0 1.0*