Piper PA-18-150 N476SM accident near Joliet, Illinois, August 14, 2025

Piper PA-18-150, registration N476SM, operated by TAIL SLIDE AVIATION LLC, was involved in an accident near Joliet, Illinois on August 14, 2025. The NTSB lists the highest injury level as none. Case CEN25LA322 is completed.

ADS-B receivers recorded 114 minutes of the flight after departing the Joliet Rgnl area (KJOT), reaching a maximum of 1,700 ft. The last recorded position was at 22:12 UTC, at 1,150 ft and 44 knots, descending at 448 feet per minute, about 3 km from Joliet Rgnl (KJOT).

The nearest weather report, from KJOT (3 km away), showed calm wind, visibility 6 miles or more, no ceiling reported (VFR conditions).

The aircraft is a Piper PA-18-150 registered in United States (Mode S A5D900).

This page reconstructs the flight from public ADS-B data for information only. The NTSB report is the authority on what happened and why.

Key facts

Date
August 14, 2025
Location
Joliet, Illinois
Aircraft
Piper PA-18-150
Registration
N476SM
Operator
TAIL SLIDE AVIATION LLC
Injuries
None
NTSB case
CEN25LA322 (Completed)
Departure area
Joliet Rgnl (KJOT)
Nearest airport
Joliet Rgnl (KJOT)
Recorded flight
114 min, max 1,700 ft
Last recorded position
22:12 UTC, 1,150 ft, 44 kt

3D flight replay

Replay the recorded flight in 3D with the weather, light and terrain at the time, flight instruments reconstructed from the aircraft's ADS-B transmissions, and automatically detected events.

Related accidents

Sources: NTSB case CEN25LA322; ADS-B flight data from adsb.lol (ODbL); weather from NOAA / Iowa Environmental Mesonet and Open-Meteo.