# NTSB Accident CHI91FA211
> **PIPER PA-28-180** · 1991-07-07 · QUINCY, IL, USA · FATL
## Event
- **NTSB number:** CHI91FA211
- **Event ID:** 20001212X17483
- **Type:** Accident
- **Date:** 1991-07-07
- **Location:** QUINCY, IL, USA
- **Coordinates:** 39.930183, -91.38063
## Injuries
- **Highest injury:** FATL
- **Fatal:** 4
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 5
## Aircraft
- **Make:** PIPER
- **Model:** PA-28-180
- **Registration:** N8498W
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S FAILURE TO MAINTAIN CLEARANCE AND FAILURE TO MAINTAIN AIRCRAFT CONTROL AFTER COLLISION.  FACTORS IN THE ACCIDENT WERE THE PILOT'S ATTEMPT TO FLY FORMATION, AND INADEQUATE GROUP BRIEFING BY THE PILOT OF THE OTHER AIRPLANE, AND THE PILOT'S LACK OF EXPERIENCE.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91FA211) · AI Analytics · CC0 1.0*