# NTSB investigations, IL: Gear not extended

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 CHI94IA081](https://openairdocs.org/ntsb/CHI94IA081.md): Boeing 737-130 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Feb 10, 1994 · N408PE · Minor damage
  > An inadequate procedure for handling of wheel chocks by company maintenance and operations personnel. Factors associated with this accident were an inadequate inspection of the airplane by company maintenance personnel, and an inadequate pre-flight inspection…
- [NTSB CHI92FA290](https://openairdocs.org/ntsb/CHI92FA290.md): Beech B55 · Joliet, IL · Accident · No injuries · Field investigation · Final report · Sep 23, 1992 · N557T · Substantial damage
  > The pilot's inadvertent wheels up landing.
- [NTSB CHI90LA141](https://openairdocs.org/ntsb/CHI90LA141.md): Piper PA-31-350 · Plainfield, IL · Accident · No injuries · Limited investigation · Final report · May 30, 1990 · N62869 · Substantial damage
  > The pilot's failure to insure that the landing gear was extended and locked prior to touchdown.
- [NTSB CHI90LA080](https://openairdocs.org/ntsb/CHI90LA080.md): Beech V35 · West Chicago, IL · Accident · No injuries · Limited investigation · Final report · Feb 13, 1990 · N9582Q · Substantial damage
  > Failure of the pilot to extend the gear, which resulted in an inadvertent wheels-up landing.
- [NTSB CHI89LA098](https://openairdocs.org/ntsb/CHI89LA098.md): Cessna P210N · Wheeling, IL · Accident · No injuries · Limited investigation · Final report · May 30, 1989 · N4763P · Substantial damage
  > Failure of the pilot to extend the landing gear, which resulted in a wheels-up landing.
- [NTSB CHI88LA208](https://openairdocs.org/ntsb/CHI88LA208.md): Beech C55 · Cahokia, IL · Accident · No injuries · Limited investigation · Final report · Aug 15, 1988 · N19RE · Substantial damage
  > While on a maintenance test hop after annual inspection, the pilot failed to insure that the landing gear was extended before touchdown. The pilot stated that the gear handle was placed in the gear down position, and that no gear warning horn sounded during…
- [NTSB CHI88LA137](https://openairdocs.org/ntsb/CHI88LA137.md): Piper PA-24-250 · Mattoon, IL · Accident · No injuries · Limited investigation · Final report · Jun 16, 1988 · N8226P · Substantial damage
  > Upon return from a local aerial photography flight, the pilot failed to ensure that the aircraft landing gear was extended, down and locked. When the aircraft touched down, the gear was only extended approximately 10%; it collapsed fully when it contacted the…
- [NTSB CHI88LA022](https://openairdocs.org/ntsb/CHI88LA022.md): Piper PA-30B · Decatur, IL · Accident · No injuries · Limited investigation · Final report · Nov 10, 1987 · N7865Y · Substantial damage
  > The aircraft experienced a landing with the gear retracted. The pilot stated that he perceived the yellow light indication for the landing gear to mean 'down', instead of looking for a green light.
- [NTSB CHI87LA220](https://openairdocs.org/ntsb/CHI87LA220.md): Cessna 172RG · Pinckneyville, IL · Accident · No injuries · Limited investigation · Final report · Sep 20, 1987 · N9543B · Substantial damage
  > According to the instructor (CFI), he & the student confirmed the gear was extended & locked as they entered the traffic pattern. Flaps were extended & they contd in the pattern to practice a short field landing technique. Power was reduced after crossing…

## 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" = 196)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=196&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.