# NTSB investigations, IL: Aircraft structures

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB CEN26LA131](https://openairdocs.org/ntsb/CEN26LA131.md): Quad City Challenger · Van Burensburg, IL · Accident · No injuries · Class 4 · Limited · Final report · Feb 28, 2026 · UNREG · Substantial damage
  > Propeller separation due to failure of the propeller attachment bolts.
- [NTSB CEN25LA090](https://openairdocs.org/ntsb/CEN25LA090.md): Rutan Long-EZ · Sparta, IL · Accident · No injuries · Class 4 · Limited · Final report · Feb 1, 2025 · N88LE · Destroyed
  > An onboard fire for unknown reasons.
- [NTSB CEN23FA359](https://openairdocs.org/ntsb/CEN23FA359.md): Vans RV14 · Virden, IL · Accident · 1 fatal · Class 3 · Field · Final report · Aug 12, 2023 · N6161 · Substantial damage
  > The pilot/builder’s improper configuration of the canopy latch micro switch, which incorrectly signaled a closed canopy before flight that resulted in an inflight opening of the airplane’s canopy, an upset of the airplane, and a loss of control from which the…
- [NTSB CEN23LA295](https://openairdocs.org/ntsb/CEN23LA295.md): Bell UH-1H · Woodlawn, IL · Accident · No injuries · Class 3 · Limited · Final report · Jul 11, 2023 · N900VF · Substantial damage
  > The separation of the tail boom from the fuselage for reasons that could not be determined.
- [NTSB CEN20LA201](https://openairdocs.org/ntsb/CEN20LA201.md): Piper PA28 · Carlinville, IL · Accident · 4 fatal · Class 3 · Limited · Final report · May 31, 2020 · N8991W · Destroyed
  > The pilot’s attempted recovery from a steep descent which inadvertently exceeded the ultimate load factor of the airframe and resulted in a low-level inflight breakup.
- [NTSB CEN16LA329](https://openairdocs.org/ntsb/CEN16LA329.md): Collins RV6A · Pekin, IL · Accident · Serious injuries · Limited investigation · Final report · Aug 18, 2016 · N576RV · Substantial damage
  > The pilot's failure to latch the canopy before takeoff, and his subsequent distraction and failure to maintain control while attempting to close the open canopy, which resulted in an aerodynamic stall.
- [NTSB CEN16FA276](https://openairdocs.org/ntsb/CEN16FA276.md): Piper PA 30 · Plainfield, IL · Accident · 1 fatal · Field investigation · Final report · Jul 21, 2016 · N7409Y · Destroyed
  > The pilot's failure to maintain airplane control during an en route climb near convective activity, which resulted in an aerodynamic stall, an uncontrolled descent, and a subsequent in-flight breakup due to an exceedance of the airplane's design load…
- [NTSB CEN15IA385](https://openairdocs.org/ntsb/CEN15IA385.md): Piper PA-23-250 · Joliet, IL · Incident · No injuries · Incident investigation · Final report · Aug 27, 2015 · N900AM · Minor damage
  > A bird strike.
- [NTSB CEN15IA076](https://openairdocs.org/ntsb/CEN15IA076.md): Cessna 182S · Springfield, IL · Incident · No injuries · Incident investigation · Final report · Dec 10, 2014 · N661SP · Minor damage
  > The improper installation of a doubler patch, which prevented the right flap from actuating and moving properly and led to the subsequent interference with the aileron.
- [NTSB CEN15CA011](https://openairdocs.org/ntsb/CEN15CA011.md): Beech 35-B33 · Effingham, IL · Accident · No injuries · Data collection · Final report · Oct 11, 2014 · N718CD · Substantial damage
  > The pilot's failure to lower the landing gear.
- [NTSB CEN12LA531](https://openairdocs.org/ntsb/CEN12LA531.md): Ristine Avid Mark IV · Poplar Grove, IL · Accident · No injuries · Limited investigation · Final report · Aug 9, 2012 · N1328L · Substantial damage
  > The failure of the lower right side longeron tail-spring support area during landing due to excessive corrosion.
- [NTSB CEN11IA649](https://openairdocs.org/ntsb/CEN11IA649.md): Airbus Industrie A320-211 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Sep 17, 2011 · C-FGYL · Minor damage
  > The infiltration of moisture into the windshield heating layer that induced arcing in the heating system that subsequently cracked the windshield.
- [NTSB CEN10LA560](https://openairdocs.org/ntsb/CEN10LA560.md): Schweizer 269C · Schaumburg, IL · Accident · No injuries · Limited investigation · Final report · Sep 20, 2010 · N34LB · Substantial damage
  > The in-flight separation of the left aft cluster fitting assembly following the loss of torque on the lock nut due to a manufacturing defect.
- [NTSB CEN10LA420](https://openairdocs.org/ntsb/CEN10LA420.md): Air Tractor AT-401 · Toulin, IL · Accident · No injuries · Limited investigation · Final report · Jul 21, 2010 · N45297 · Substantial damage
  > A partial loss of engine power as a result of a cracked cylinder and the reduced visibility due to the oil-covered windshield.
- [NTSB CEN09FA094](https://openairdocs.org/ntsb/CEN09FA094.md): Bombardier CL-600-2C10 · Chicago, IL · Incident · No injuries · Field investigation · Final report · Dec 16, 2008 · N511MJ · Minor damage
  > The failure of the left landing gear to extend due to improper maintenance when the landing gear door was replaced. Contributing to the incident was the manufacturer's inadequate maintenance manual instructions.
- [NTSB CHI08FA196](https://openairdocs.org/ntsb/CHI08FA196.md): Czech Aircraft Works Sport Cruiser · Newark, IL · Accident · 1 fatal · Field investigation · Final report · Jul 21, 2008 · N602CF · Substantial damage
  > The pilot's failure to maintain control of the airplane in the landing pattern. Contributing to the severity of injuries was the failure of the pilot's shoulder harness.
- [NTSB CHI08IA200](https://openairdocs.org/ntsb/CHI08IA200.md): Eclipse EA500 · Rockford, IL · Incident · No injuries · Incident investigation · Final report · Jul 17, 2008 · N875NA · Minor damage
  > The improper installation of the forward edge of the left-hand wing-to-body panel, causing the fairing to separate from the airplane during an in-flight encounter with light turbulence. Contributing to the event was the use of small-head screws and grommets…
- [NTSB CHI08LA158](https://openairdocs.org/ntsb/CHI08LA158.md): Maggs Lancair 4P · Alhambra, IL · Accident · 1 fatal · Limited investigation · Final report · Jun 6, 2008 · N241DM · Substantial damage
  > The pilot's decision to continue the flight into an area of known thunderstorm activity and the in-flight structural failure of the airplane.
- [NTSB CHI08CA087](https://openairdocs.org/ntsb/CHI08CA087.md): Cessna 140 · Poplar Grove, IL · Accident · No injuries · Data collection · Final report · Feb 23, 2008 · N3527V · Substantial damage
  > The left wing skin "fabric patch" separated from the wing ribs and spars for an undetermined reason.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'IL' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '0103'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/0103/cases?state=IL

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.