# Major NTSB investigations, IL

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 DCA17FA021](https://openairdocs.org/ntsb/DCA17FA021.md): Boeing 767 · Chicago, IL · Accident · Serious injuries · Class 1 · Field · Final report · Oct 28, 2016 · N345AN · Substantial damage
  > The failure of the high-pressure turbine (HPT) stage 2 disk, which severed the main engine fuel feed line and breached the right main wing fuel tank, releasing fuel that resulted in a fire on the right side of the airplane during the takeoff roll. The HPT…
- [NTSB CEN10MA088](https://openairdocs.org/ntsb/CEN10MA088.md): Gates Learjet 35A · Prospect Heights, IL · Accident · 2 fatal · Major investigation · Final report · Jan 5, 2010 · N720RA · Substantial damage
  > A loss of control for undetermined reasons.
- [NTSB CEN09MA019](https://openairdocs.org/ntsb/CEN09MA019.md): Bell 222 · Aurora, IL · Accident · 4 fatal · Major investigation · Final report · Oct 16, 2008 · N992AA · Destroyed
  > The pilot's failure to maintain clearance from the 734-foot-tall lighted tower during the visual night flight due to inadequate preflight planning, insufficient altitude, and a flight route too low to clear the tower. Contributing to the accident was the air…
- [NTSB DCA06MA009](https://openairdocs.org/ntsb/DCA06MA009.md): Boeing 737-700 · Chicago, IL · Accident · 1 fatal · Class 1 · Major · Final report · Dec 9, 2005 · N471WN · Substantial damage
  > The pilots' failure to use available reverse thrust in a timely manner to safely slow or stop the airplane after landing, which resulted in a runway overrun. This failure occurred because the pilots' first experience and lack of familiarity with the…
- [NTSB DCA05MA071](https://openairdocs.org/ntsb/DCA05MA071.md): Bombardier CL-600-2B19 · Chicago O'Hare, IL · Accident · Serious injuries · Major investigation · Final report · Jun 1, 2005 · N417AW · Minor damage
  > The opening of the service door when the airplane was pressurized. Contributing to the accident was the captain's failure to ensure that one of the airplane doors was open while a ground-cooling cart was connected, which resulted in pressurizing the airplane…
- [NTSB CHI00MA066](https://openairdocs.org/ntsb/CHI00MA066.md): Moravan Z242L · Zion, IL · Accident · 3 fatal · Major investigation · Final report · Feb 8, 2000 · N5ZA · 2 aircraft · Destroyed
  > Clearance not maintained by the pilot of the other airplane. A factor relating to the accident was the airport control tower's local controller's failure to provide effective sequencing.
- [NTSB DCA98MA023](https://openairdocs.org/ntsb/DCA98MA023.md): Boeing 727-223 · Chicago, IL · Accident · Minor injuries · Class 1 · Major · Final report · Feb 9, 1998 · N845AA · Substantial damage
  > the failure of the flight crew to maintain a proper pitch attitude for a successful landing or go-around. Contributing to the accident were the divergent pitch oscillations of the airplane, which occurred during the final approach and were the result of an…
- [NTSB DCA97MA009](https://openairdocs.org/ntsb/DCA97MA009.md): Beech 1900C · Quincy, IL · Accident · 14 fatal · Class 1 · Major · Final report · Nov 19, 1996 · N87GL · 2 aircraft · Destroyed
  > the failure of the pilots in the King Air A90 to effectively monitor the common traffic advisory frequency or to properly scan for traffic, resulting in their commencing a takeoff roll when the Beech 1900C (United Express flight 5925) was landing on an…
- [NTSB CHI97MA017](https://openairdocs.org/ntsb/CHI97MA017.md): Gulfstream G-IV · Wheeling, IL · Accident · 4 fatal · Major investigation · Final report · Oct 30, 1996 · N23AC · Destroyed
  > failure of the pilot-in-command (PIC) to maintain directional control of the airplane during the takeoff roll in a gusty crosswind, his failure to abort the takeoff, and failure of the copilot to adequately monitor and/or take sufficient remedial action to…
- [NTSB CHI94MA290](https://openairdocs.org/ntsb/CHI94MA290.md): McDonnell Douglas MD-11F · Chicago, IL · Accident · No injuries · Major investigation · Final report · Aug 19, 1994 · IDUPO · Substantial damage
  > The first officer's improper flare and improper use of flight controls during the landing flare/touchdown.
- [NTSB DCA92MA048](https://openairdocs.org/ntsb/DCA92MA048.md): Beech C-45H · Hinckley, IL · Accident · 12 fatal · Major investigation · Final report · Sep 7, 1992 · N3657G · Destroyed
  > Inadequate maintenance and inspection by the operator which resulted in an engine power loss during the critical takeoff phase of flight. In addition, the pilot did not, or was unable to, attain a full-feather position on the left engine propeller, which…
- [NTSB CHI91MA220](https://openairdocs.org/ntsb/CHI91MA220.md): Aerospace ATR-42-300 · Peoria, IL · Accident · No injuries · Major investigation · Final report · Jul 17, 1991 · N425TE · Substantial damage
  > Inadequate aircraft equipment component (failed bolt), and insufficient inspection standards pertaining to the failed bolt. A factor related to the accident is inaccurate maintenance record keeping relating to oil consumption.
- [NTSB CHI89MA095](https://openairdocs.org/ntsb/CHI89MA095.md): Douglas DC3C-S13CG · Waterman, IL · Accident · 3 fatal · Major investigation · Final report · May 22, 1989 · N47CE · Destroyed
  > The pilot-in-command (PIC) failed to provide adequate supervision while training the copilot and allowed the aircraft to enter a stall/spin, then did not provide adequate remedial action to properly recover from the spin. Factors related to the accident were:…
- [NTSB CHI89MA046](https://openairdocs.org/ntsb/CHI89MA046.md): Boeing 737-201 · Chicago, IL · Accident · No injuries · Major investigation · Final report · Jan 20, 1989 · N242US · Substantial damage
  > Previous damage to the aft cone (engine mounting) bolt, which resulted in mismatched surfaces between the bolt and isolation mount, loss of torque during cyclic loading of the mounting bolt, and subsequent fatigue failure of the bolt.
- [NTSB CHI87MA101](https://openairdocs.org/ntsb/CHI87MA101.md): Mcdonnell Douglas DC-10-10 · Chicago, IL · Accident · Serious injuries · Major investigation · Final report · Mar 25, 1987 · N128AA · No damage
  > After arriving at the gate in Chicago, fumes & smoke were noted in zone c of the cabin, then the cabin lgtg went out & the emerg lgtg came on. Maint psnl fnd the #2 APU had an auto-shutdown due to a malfunction. The APU was placarded as inop & the acft was…
- [NTSB CHI86MA142](https://openairdocs.org/ntsb/CHI86MA142.md): Mcdonnell Douglas DC-9-31 · Chicago, IL · Incident · No injuries · Major investigation · Final report · May 17, 1986 · N973VJ · 2 aircraft · Minor damage
  > U.S. Air flight 373 passed over American airlines flight 695 at the intersection of runways 32R and 4L while both aircraft were taking off. Both aircraft had been cleared for takeoff by the local controller at o'hare tower. The aircraft came within twenty…
- [NTSB CHI80AA024](https://openairdocs.org/ntsb/CHI80AA024.md): Falcon 10 · Chicago, IL · Accident · 2 fatal · Closed · Jan 30, 1980 · N253K · Destroyed
- [NTSB DCA79AA017](https://openairdocs.org/ntsb/DCA79AA017.md): Douglas DC-10 · Chicago, IL · Accident · 271 fatal · Closed · May 25, 1979 · N110AA · Destroyed
- [NTSB DCA79AA009](https://openairdocs.org/ntsb/DCA79AA009.md): Boeing 747 · Chicago, IL · Accident · No injuries · Closed · Feb 15, 1979 · N804FT · 2 aircraft · Substantial damage
- [NTSB DCA72AZ004](https://openairdocs.org/ntsb/DCA72AZ004.md): Beech E18S · Peoria, IL · Accident · 16 fatal · Closed · Oct 21, 1971 · N51CS · Destroyed
- [NTSB DCA69A0010](https://openairdocs.org/ntsb/DCA69A0010.md): Convair 580 · Chicago, IL · Accident · 27 fatal · Closed · Dec 27, 1968 · N2045 · Destroyed

## 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.board_report_url IS NOT NULL OR c."investigationClass" = 'Class 1' OR c."caseType" = 'Major - Launch')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?major=1&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.