# NTSB investigations, IL: Gear collapsed

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 CHI02LA018](https://openairdocs.org/ntsb/CHI02LA018.md): Piper PA-28R-201T · Peoria, IL · Accident · No injuries · Limited investigation · Final report · Nov 2, 2001 · N5984V · Substantial damage
  > The gear collapse for undetermined reasons during the landing roll. A factor was the pilot not using a proper touchdown point by landing long.
- [NTSB CHI01LA079](https://openairdocs.org/ntsb/CHI01LA079.md): Cessna 310R · Cahokia, IL · Accident · No injuries · Limited investigation · Final report · Feb 2, 2001 · N4249C · Substantial damage
  > The collapse of the left main landing gear during landing roll for undetermined reasons.
- [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 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 CHI91LA261](https://openairdocs.org/ntsb/CHI91LA261.md): Piper PA-32-R300 · Lake In Hills, IL · Accident · No injuries · Limited investigation · Final report · Aug 13, 1991 · N40446 · Substantial damage
  > The pilot's failure to perform an adequate preflight by assuring the gear lever was in the down and locked position.
- [NTSB CHI91LA201](https://openairdocs.org/ntsb/CHI91LA201.md): Piper PA-28-201R · Wheeling, IL · Accident · No injuries · Limited investigation · Final report · Jun 24, 1991 · N2126K · Substantial damage
  > The pilot in command's inadequate pre-flight inspection. Factors contributing to this accident were the landing gear lever not being engaged, the use of an inadequate procedure by the pilot-in-command, and the inadvertent gear retraction during takeoff roll.
- [NTSB CHI85LA105](https://openairdocs.org/ntsb/CHI85LA105.md): Cessna 172RG · Lawrenceville, IL · Accident · No injuries · Limited investigation · Final report · Feb 9, 1985 · N6464R · Substantial damage
  > The private plt & his instructor were practicing instrument approaches. The instructor stated that the fuel gages were reading low & the VOR needle was oscillating, so they decided to make a straight-in landing. He stated that they lowered the gear & flaps,…
- [NTSB CHI84IA224](https://openairdocs.org/ntsb/CHI84IA224.md): Beech 99 · Chicago, IL · Incident · Minor injuries · Incident investigation · Final report · Jun 9, 1984 · N320BA · Minor damage
  > Landing gear extended but not locked. Crew could not rectify situation by using normal and emergency gear extension procedures. Gear collapsed on touchdown. Investigation disclosed a fatigue crack in rt main gear hydraulic actuator allowing a loss of…
- [NTSB CHI84FA076](https://openairdocs.org/ntsb/CHI84FA076.md): Beech BE-99 · Galesburg, IL · Accident · No injuries · Field investigation · Final report · Jan 3, 1984 · N317VA · Substantial damage
  > The main gear retracted while the acft was being taxied to the taxioff position. Investigation revealed that a landing gear maintenance valve PN22400-1, SN19 manufactured by airright inc had corroded and was allowing stray voltage to cyclethe landing gear…
- [NTSB CHI83LA088](https://openairdocs.org/ntsb/CHI83LA088.md): Beech 95-C55 · St. Jacob, IL · Accident · No injuries · Limited investigation · Final report · Jan 20, 1983 · N5712V · Substantial damage
  > The pilot reported that during the landing roll, he inadvertently retracted the gear.
- [NTSB CHI82DA166](https://openairdocs.org/ntsb/CHI82DA166.md): Cessna 210 · Galesburg, IL · Accident · No injuries · Final report · May 14, 1982 · N210DK · Substantial damage
  > The pilot was discussing short field landing techniques and the use of flaps with the student pilot/passenger and forgot to lower the landing gear. The wheels up landing resulted in substantial damage to the aircraft.

## 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 190)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=190&state=IL

---
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.