# NTSB Accident CHI93LA256
> **QUAD CITY AIRCRAFT CHALLENGER II SPECIA** · 1993-07-13 · OTTAWA, IL, USA · MINR
## Event
- **NTSB number:** CHI93LA256
- **Event ID:** 20001211X12844
- **Type:** Accident
- **Date:** 1993-07-13
- **Location:** OTTAWA, IL, USA
- **Coordinates:** 41.349941, -88.829605
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 1
- **Total aboard:** 2
## Aircraft
- **Make:** QUAD CITY AIRCRAFT
- **Model:** CHALLENGER II SPECIA
- **Registration:** N415JR
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** NR
- **Weather:** VMC
## Probable cause

THE PILOT IN COMMAND'S FAILURE TO MAINTAIN PROPER CLEARANCE.  FACTORS TO THE ACCIDENT INCLUDE AN OIL FOULED SPARK PLUG AND A POWER GROUND CABLE.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI93LA256) · AI Analytics · CC0 1.0*