# 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.

Page 20 of 101 · 5,040 cases

## Cases, newest first

- [NTSB CHI99LA122](https://openairdocs.org/ntsb/CHI99LA122.md): Mooney M20J · Vienna, IL · Accident · Serious injuries · Limited investigation · Final report · Apr 7, 1999 · N9969X · Destroyed
  > The worn ignition points/cam follower assembly, and uneven landing terrain.
- [NTSB CHI99FA120](https://openairdocs.org/ntsb/CHI99FA120.md): Extra Flugzeugbau 300S · Dow, IL · Accident · No injuries · Field investigation · Final report · Mar 24, 1999 · N9K · Substantial damage
  > a fatigue failure of the upper left longeron and adjacent diagonal cross member near the horizontal stabilizer attach point. A factor related to the accident was that the manufacturer informed the operator that they were already in compliance with the latest…
- [NTSB CHI99LA116](https://openairdocs.org/ntsb/CHI99LA116.md): Cessna 152 · Bloomington, IL · Accident · Minor injuries · Limited investigation · Final report · Mar 22, 1999 · N757MJ · Destroyed
  > The pilot's misjudged flare and inadvertent stall during landing. A factor was the pilot's inadequate remedial action.
- [NTSB CHI99LA110](https://openairdocs.org/ntsb/CHI99LA110.md): Socata TB-9C · Cahokia, IL · Accident · Serious injuries · Limited investigation · Final report · Mar 18, 1999 · N508PC · Substantial damage
  > the in-flight loss of control by the student pilot due to wind turbulence. Additional causes were the flight instructor's inadequate supervision of the flight and the flight instructor's decision to continue the touch and go after encountering turbulence on…
- [NTSB CHI99LA104](https://openairdocs.org/ntsb/CHI99LA104.md): Cessna 172P · Plainfield, IL · Accident · No injuries · Limited investigation · Final report · Mar 7, 1999 · N65192 · Substantial damage
  > the pilot's inadequate directional control during landing roll. A factor was the snow bank.
- [NTSB CHI99IA096](https://openairdocs.org/ntsb/CHI99IA096.md): Cessna T210R · Tinley Park, IL · Incident · No injuries · Incident investigation · Final report · Feb 20, 1999 · N7687U · Minor damage
  > the improper installation of the pressure oil line 'B' nut by maintenance personnel. Contributing to the incident were the loose pressure oil line 'B' nut and separation of the propeller from the aircraft.
- [NTSB CHI99LA092](https://openairdocs.org/ntsb/CHI99LA092.md): Cessna 172RG · Lawrenceville, IL · Accident · No injuries · Limited investigation · Final report · Feb 15, 1999 · N9506D · Substantial damage
  > the fatigue fracture of the landing gear actuator.
- [NTSB CHI99LA087](https://openairdocs.org/ntsb/CHI99LA087.md): Socata TB 9 Tampico · Cahokia, IL · Accident · No injuries · Limited investigation · Final report · Feb 6, 1999 · N544PC · Substantial damage
  > the pilot's improper decision to initiate the takeoff with insufficient runway remaining. A factor associated with the accident was pilot's failure to obtain clarification from the controller regarding the clearance.
- [NTSB CHI99LA081](https://openairdocs.org/ntsb/CHI99LA081.md): Cessna 150M · Paxton, IL · Accident · Minor injuries · Limited investigation · Final report · Feb 3, 1999 · N704BF · Substantial damage
  > the inadequate preflight planning by the pilot in command and the exhaustion of usable fuel. Factors were the tailwind landing condition and the rough terrain at the landing site.
- [NTSB CHI99LA078](https://openairdocs.org/ntsb/CHI99LA078.md): Gates Learjet 35 · Chicago, IL · Accident · No injuries · Limited investigation · Final report · Jan 29, 1999 · N130F · Substantial damage
  > the second pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall mush.
- [NTSB CHI99LA073](https://openairdocs.org/ntsb/CHI99LA073.md): Piper PA-46-350P · Rockford, IL · Accident · Serious injuries · Limited investigation · Final report · Jan 25, 1999 · N181JW · Substantial damage
  > the failure of the pilot to maintain flying speed and ground clearance while on a night circling approach. Factors were existing icing conditions and the airframe and windshield icing.
- [NTSB CHI99LA070](https://openairdocs.org/ntsb/CHI99LA070.md): Luscombe 8A · Schaumburg, IL · Accident · No injuries · Limited investigation · Final report · Jan 19, 1999 · N2197B · Substantial damage
  > the pilot's failure to maintain directional control of the airplane. A factor associated with the accident was the snowbank which the airplane contacted.
- [NTSB CHI99LA065](https://openairdocs.org/ntsb/CHI99LA065.md): Piper PA-32-260 · St. Charles, IL · Accident · No injuries · Limited investigation · Final report · Jan 17, 1999 · N40712 · Substantial damage
  > A loss of engine power due to fuel exhaustion. Also causal was the pilot's inadequate preflight/planning preparation which led to inadvertent flight into instrument meteorological conditions and him becoming lost/disoriented. Contributing to the accident were…
- [NTSB CHI99LA066](https://openairdocs.org/ntsb/CHI99LA066.md): Piper PA-32-260 · Creal Springs, IL · Accident · Minor injuries · Limited investigation · Final report · Jan 16, 1999 · N3689W · Destroyed
  > was the pilot having the fuel tank selector in the improper position and not following the airplane manufacturer's emergency procedures to restore a loss of power. A factor in this accident was fuel starvation.
- [NTSB CHI99LA064](https://openairdocs.org/ntsb/CHI99LA064.md): Gulfstream 695A · Wheeling, IL · Accident · No injuries · Limited investigation · Final report · Jan 12, 1999 · N20GT · Substantial damage
  > The pilot-in-command (CFI)'s poor in-flight planning and decision making, and his inadequate supervision of the dual student. Factors were the tailwind condition, icing conditions, and the dual student's improper flare.
- [NTSB CHI99LA062](https://openairdocs.org/ntsb/CHI99LA062.md): Cessna 152 · Lansing, IL · Accident · No injuries · Limited investigation · Final report · Jan 9, 1999 · N25787 · Substantial damage
  > the pilot's failure to maintain proper runway alignment during the landing flare. A factor related to the accident was the snowbank which the airplane contacted.
- [NTSB CHI99LA054](https://openairdocs.org/ntsb/CHI99LA054.md): Cessna 152 · Urbana, IL · Accident · No injuries · Limited investigation · Final report · Dec 27, 1998 · N5527L · Substantial damage
  > the student pilot not maintaining the proper descent rate on final approach, and the certified flight instructor's delayed remedial action.
- [NTSB CHI99LA043](https://openairdocs.org/ntsb/CHI99LA043.md): Piper PA-28-140 · East St. Louis, IL · Accident · No injuries · Limited investigation · Final report · Nov 27, 1998 · N10347 · Substantial damage
  > The student pilot's failure to maintain directional control.
- [NTSB CHI99LA033](https://openairdocs.org/ntsb/CHI99LA033.md): Brantly Helicopter B2B · Salem, IL · Accident · No injuries · Limited investigation · Final report · Nov 23, 1998 · N2291U · Substantial damage
  > The simulated emergency procedure by the pilot-in-command. Additional causes were the directional control not obtained/maintained by the pilot-in-command and the inadequate supervision by the Federal Aviation Administration (FAA) Inspector. A contributing…
- [NTSB CHI99LA028](https://openairdocs.org/ntsb/CHI99LA028.md): Cessna 172I · Jacksonville, IL · Accident · No injuries · Limited investigation · Final report · Nov 13, 1998 · N35302 · Substantial damage
  > the student pilot's failure to maintain directional control of the airplane. Factors associated with the accident were the student's lack of experience and the road which the airplane contacted.
- [NTSB CHI99LA022](https://openairdocs.org/ntsb/CHI99LA022.md): Mooney M20J · Cahokia, IL · Accident · No injuries · Limited investigation · Final report · Nov 4, 1998 · N1073K · Substantial damage
  > the pilot's failure to maintain directional control of the airplane during the landing roll. Factors associated with the accident were the quartering tailwind and the ditch that the airplane contacted.
- [NTSB CHI98FA353](https://openairdocs.org/ntsb/CHI98FA353.md): Barklage Revolution Mini 500 · Cahokia, IL · Accident · 1 fatal · Field investigation · Final report · Sep 19, 1998 · N611AB · Destroyed
  > A loss of engine power due to cold seizure of the power-takeoff cylinder. A factor contributing to the accident was the power lines.
- [NTSB CHI98LA351](https://openairdocs.org/ntsb/CHI98LA351.md): Aerospatiale ATR-42-300 · Chicago, IL · Accident · Serious injuries · Limited investigation · Final report · Sep 18, 1998 · N233RM · No damage
  > the wake turbulence encountered by Flight 146.
- [NTSB CHI98LA335](https://openairdocs.org/ntsb/CHI98LA335.md): Cessna 172 · Harrisburg, IL · Accident · No injuries · Limited investigation · Final report · Sep 15, 1998 · N733XG · Substantial damage
  > the loss of engine power for undetermined reasons.
- [NTSB CHI98LA321](https://openairdocs.org/ntsb/CHI98LA321.md): Cessna 152 · Beecher, IL · Accident · No injuries · Limited investigation · Final report · Aug 15, 1998 · N89648 · Substantial damage
  > Fuel exhaustion due to fuel mismanagement by the pilot-in-command. The rough terrain was a contributing factor.
- [NTSB CHI98LA318](https://openairdocs.org/ntsb/CHI98LA318.md): Whetzel Thorpe T-18 · Rantoul, IL · Accident · Minor injuries · Limited investigation · Final report · Aug 15, 1998 · N60LW · Substantial damage
  > the pilot not maintaining directional control. Factors were crops and encounter with unsuitable terrain.
- [NTSB CHI98LA295](https://openairdocs.org/ntsb/CHI98LA295.md): North American SNJ-6B · Quincy, IL · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 1998 · N7983C · Substantial damage
  > the right main landing gear collapsed for undetermined reasons.
- [NTSB CHI98FA296](https://openairdocs.org/ntsb/CHI98FA296.md): Cessna 340A · Chicago, IL · Accident · 1 fatal · Field investigation · Final report · Aug 2, 1998 · N5340F · Substantial damage
  > the pilot's improper use of the throttle in not using full power for takeoff, the pilot's failure to use proper aborted takeoff procedures, and the inadvertant stall/mush. A factor associated with the accident was inadequate preflight/planning by the pilot.
- [NTSB CHI98LA255](https://openairdocs.org/ntsb/CHI98LA255.md): Cessna 172N · New Lenox, IL · Accident · Minor injuries · Limited investigation · Final report · Jul 24, 1998 · N4813D · Substantial damage
  > Loss of engine power for undetermined reasons.
- [NTSB CHI98LA269](https://openairdocs.org/ntsb/CHI98LA269.md): Boeing 767-223 · Peotone, IL · Accident · Serious injuries · Limited investigation · Final report · Jul 22, 1998 · N335AA · No damage
  > In-flight encounter with turbulence.
- [NTSB CHI98LA267](https://openairdocs.org/ntsb/CHI98LA267.md): Cessna 150M · Litchfield, IL · Accident · No injuries · Limited investigation · Final report · Jul 21, 1998 · N9251U · Substantial damage
  > Loss of engine power due to an open exhaust valve and low cylinder compression. A related factor was the tailwind.
- [NTSB CHI98LA310](https://openairdocs.org/ntsb/CHI98LA310.md): Piper PA-25-235 · Leland, IL · Accident · No injuries · Limited investigation · Final report · Jul 17, 1998 · N75HM · Substantial damage
  > Control interference between the pilot-in-command and the student. An excessive descent rate and inadequate flare by the student during landing are contributing factors. The inadequate supervision by the pilot-in-command is an additional factor.
- [NTSB CHI98LA251](https://openairdocs.org/ntsb/CHI98LA251.md): Grumman G-164B · New Haven, IL · Accident · No injuries · Limited investigation · Final report · Jul 12, 1998 · N6731K · Substantial damage
  > Water contamination of the fuel system. A related factor was the swampy terrain.
- [NTSB CHI98LA282](https://openairdocs.org/ntsb/CHI98LA282.md): Cessna 310R · Cahokia, IL · Accident · No injuries · Limited investigation · Final report · Jun 27, 1998 · N4249C · Substantial damage
  > The collapse of the left main landing gear during landing roll for undetermined reasons.
- [NTSB CHI98LA221](https://openairdocs.org/ntsb/CHI98LA221.md): Cessna T310R · Wheeling, IL · Accident · No injuries · Limited investigation · Final report · Jun 24, 1998 · N5255C · Substantial damage
  > the pilot's inadequate compensation for the wind conditions which resulted in a lack of directional control of the aircraft. Factors to the accident were the two airport signs and the crosswind.
- [NTSB CHI98LA215](https://openairdocs.org/ntsb/CHI98LA215.md): Cessna 172P · Grays Lake, IL · Accident · Minor injuries · Limited investigation · Final report · Jun 21, 1998 · N99548 · Substantial damage
  > the pilot's not performing a recovery from a bounced landing and his not maintaining directional control. A factor was soft terrain.
- [NTSB CHI98LA192](https://openairdocs.org/ntsb/CHI98LA192.md): Grumman G164 · Somonauk, IL · Accident · No injuries · Limited investigation · Final report · Jun 6, 1998 · N710Y · Substantial damage
  > the pilot's misjudgment of distance. Factors were wind gusts and crops.
- [NTSB CHI98FA172](https://openairdocs.org/ntsb/CHI98FA172.md): Piper J-3C · Morris, IL · Accident · 1 fatal · Field investigation · Final report · May 26, 1998 · N24743 · Destroyed
  > The pilot's failure to maintain aircraft control during low altitude flight.
- [NTSB CHI98LA174](https://openairdocs.org/ntsb/CHI98LA174.md): Cessna 310L · Wheeling, IL · Accident · No injuries · Limited investigation · Final report · May 25, 1998 · N333WD · Substantial damage
  > the collapse of the left main landing gear for undetermined reasons.
- [NTSB CHI98FA159](https://openairdocs.org/ntsb/CHI98FA159.md): Bell 206L-1 · Arlington Hgts, IL · Accident · 4 fatal · Field investigation · Final report · May 18, 1998 · N41BL · Destroyed
  > Loss of helicopter control for unknown reasons.
- [NTSB CHI98LA166](https://openairdocs.org/ntsb/CHI98LA166.md): Enstrom F28 · West Chicago, IL · Accident · No injuries · Limited investigation · Final report · May 14, 1998 · N86238 · Substantial damage
  > the student pilot attempting a tailwind landing and improper compensation for the wind resulting in too high of a sink rate and the hard landing.
- [NTSB CHI98LA139](https://openairdocs.org/ntsb/CHI98LA139.md): Piper PA-28R-200 · East Hannibal, IL · Accident · No injuries · Limited investigation · Final report · May 3, 1998 · N75306 · Substantial damage
  > the pilot's inadequate preflight planning/preparation, and his improper in-flight planning/decision. A factor was fuel exhaustion.
- [NTSB CHI98LA127](https://openairdocs.org/ntsb/CHI98LA127.md): Boeing 727-227 · Chicago, IL · Accident · Serious injuries · Limited investigation · Final report · Apr 20, 1998 · N722AA · Minor damage
  > the passenger initiated evacuation of the airplane. A factor was the auxiliary power unit fire.
- [NTSB CHI98LA122](https://openairdocs.org/ntsb/CHI98LA122.md): Cessna 172 · Barrington Hill, IL · Accident · Serious injuries · Limited investigation · Final report · Apr 14, 1998 · N6300E · Substantial damage
  > The pilot's failure to maintain adequate airspeed which resulted in a stall/mush and subsequent in-flight collision with trees.
- [NTSB CHI98LA121](https://openairdocs.org/ntsb/CHI98LA121.md): Extra Flugzeugbau EA-300 · Chenoa, IL · Accident · Serious injuries · Limited investigation · Final report · Apr 12, 1998 · N301NL · Substantial damage
  > the pilot experienced GLOC (G induced loss of consciousness) while performing an aerobatic maneuver. Fatigue was a factor.
- [NTSB CHI98LA097](https://openairdocs.org/ntsb/CHI98LA097.md): Piper PA-23-250 · Peoria, IL · Accident · No injuries · Limited investigation · Final report · Feb 23, 1998 · N54231 · Substantial damage
  > an improper preflight inspection of the airplane by the pilot and the inadvertant stall/mush which was encountered. A factor associated with this accident was the pilot's decision to continue to use the emergency hydraulic hand pump rather than the CO2 bottle…
- [NTSB CHI98FA096](https://openairdocs.org/ntsb/CHI98FA096.md): Wasielak Sonerai II L · Malta, IL · Accident · 2 fatal · Field investigation · Final report · Feb 22, 1998 · N38NL · 2 aircraft · Destroyed
  > The pilot's failed to maintain adequate clearance from the other aircraft.
- [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 CHI98LA091](https://openairdocs.org/ntsb/CHI98LA091.md): Cessna 210G · Springfield, IL · Accident · No injuries · Limited investigation · Final report · Feb 4, 1998 · N5842F · Substantial damage
  > The failure of left main landing gear saddle resulting in the pilot's inability to extend the left gear. A factor was maintenance personnel's failure to comply with the related airworthiness directive.
- [NTSB CHI98LA089](https://openairdocs.org/ntsb/CHI98LA089.md): Chinese A/F Aero Ind Dev CTR PL-1B · Sugar Grove, IL · Accident · No injuries · Limited investigation · Final report · Feb 1, 1998 · N830JT · Substantial damage
  > inadequate design of the carburetor heat system by the manufacturer, and subsequent carburetor ice, which resulted in loss of engine power and a forced landing. Factors relating to the accident were: carburetor icing (weather) conditions, and obstructions and…

Next page: https://openairdocs.org/ntsb.md?state=IL&page=21

## 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'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=20&state=IL

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