# NTSB investigations, 1998, 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 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…
- [NTSB CHI98LA081](https://openairdocs.org/ntsb/CHI98LA081.md): Piper PA-28RT-201T · Naperville, IL · Accident · Serious injuries · Limited investigation · Final report · Jan 19, 1998 · N8277W · Destroyed
  > improper preflight planning and preparation by the pilot which resulted in fuel exhaustion.
- [NTSB CHI98FA082](https://openairdocs.org/ntsb/CHI98FA082.md): Beech 95-55 · Pinckneyville, IL · Accident · 1 fatal · Field investigation · Final report · Jan 15, 1998 · N54643 · Destroyed
  > The pilot descent below minimum descent altitude and his intentional operation with known deficiencies in equipment. Factors were the dark night, fog, rain, and the trees.
- [NTSB CHI98FA080](https://openairdocs.org/ntsb/CHI98FA080.md): Cessna P210N · Decatur, IL · Accident · 1 fatal · Field investigation · Final report · Jan 7, 1998 · N6669P · Destroyed
  > The pilot's failure to maintain control of the airplane. Contributing factors were low ceiling and freezing drizzle.

## 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 year(c."eventDate") = 1998
  AND 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?state=IL&year=1998

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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.