# NTSB Accident CHI91LA270
> **CESSNA 150L** · 1991-08-24 · WATERTOWN, SD, USA · MINR
## Event
- **NTSB number:** CHI91LA270
- **Event ID:** 20001212X17829
- **Type:** Accident
- **Date:** 1991-08-24
- **Location:** WATERTOWN, SD, USA
- **Coordinates:** 44.909107, -97.159919
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 1
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 150L
- **Registration:** N16098
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

ATTEMPTED FORMATION FLYING WITH N4535E BY THE PILOT OF N16098.  FACTORS ASSOCIATED WITH THE COLLISION WERE: NONPERFORMANCE OF PREFLIGHT PLANNING, AND FAILURE TO FOLLOW PROCEDURES AND DIRECTIVES BY THE PILOT OF N16098.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91LA270) · AI Analytics · CC0 1.0*