N65818

Substantial
None

SCHWEIZER SGS 2-33AS/N: 303

Summary

On August 06, 2025, a Schweizer SGS 2-33A (N65818) was involved in an incident near Monee, IL. All 1 person aboard were uninjured. The aircraft sustained substantial damage.

The National Transportation Safety Board determined the probable cause of this incident to be: The student pilot’s failure to maintain airspeed and altitude resulting in a collision with the ground during the base to final turn.

This incident is documented in NTSB report CEN25LA311. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N65818.

Accident Details

Date
Wednesday, August 6, 2025
NTSB Number
CEN25LA311
Location
Monee, IL
Event ID
20250807200737
Coordinates
41.377385, -87.689964
Nearest Airport
Aircraft Damage
Substantial
Highest Injury
None
Fatalities
0
Serious Injuries
0
Minor Injuries
0
Uninjured
1
Total Aboard
1

Probable Cause and Findings

The student pilot’s failure to maintain airspeed and altitude resulting in a collision with the ground during the base to final turn.

Aircraft Information

Registration
Make
SCHWEIZER
Serial Number
303
Engine Type
None
Year Built
1973
Model / ICAO
SGS 2-33A
Aircraft Type
Glider
No. of Engines
0
Seats
2
FAA Model
SGS 2-33A

Registered Owner (Current)

Name
HELGERSEN WILLIAM A SR
Address
11617 N BRIGHTWAY DR
City
MOKENA
State / Zip Code
IL 60448-1411
Country
United States

Data Source

Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# CEN25LA311