# NTSB investigations, 1989: 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 FTW90LA028](https://openairdocs.org/ntsb/FTW90LA028.md): Beech 95-A55 · Mineral Wells, TX · Accident · No injuries · Limited investigation · Final report · Nov 16, 1989 · N422K · Substantial damage
  > The landing gear was either not fully extended during the landing or it retracted during the landing roll for an undetermined reason.
- [NTSB NYC90LA016](https://openairdocs.org/ntsb/NYC90LA016.md): Cessna T210N · Teterboro, NJ · Accident · No injuries · Limited investigation · Final report · Oct 21, 1989 · N244MB · Substantial damage
  > Lack of hydraulic fluid in the hydraulic system.
- [NTSB DEN89LA183](https://openairdocs.org/ntsb/DEN89LA183.md): Cessna 177RG · Brighton, CO · Accident · No injuries · Limited investigation · Final report · Aug 4, 1989 · N8203G · Substantial damage
  > Failure of the landing gear down lock, which allowed the landing gear to collapse during the landing.
- [NTSB SEA89LA140](https://openairdocs.org/ntsb/SEA89LA140.md): Piper PA-28-140 · Vashon, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 24, 1989 · N8402C · Substantial damage
  > The pilot's inadequate preflight planning/preparation. Factors related to the accident were: unfavorable wind conditions, high obstructions (trees), and soft terrain where the aircraft touched down during the aborted takeoff.
- [NTSB MIA89IA187](https://openairdocs.org/ntsb/MIA89IA187.md): Piper PA-34-220T · Naples, FL · Incident · No injuries · Incident investigation · Final report · Jul 8, 1989 · N8422Y · Minor damage
  > Left main gear collapsed due to poor maintenance.
- [NTSB CHI89LA080](https://openairdocs.org/ntsb/CHI89LA080.md): Cessna 411 · Detroit, MI · Accident · No injuries · Limited investigation · Final report · Apr 25, 1989 · N444EA · Substantial damage
  > Failure of a bolt in the left main landing gear assembly.
- [NTSB SEA89LA072](https://openairdocs.org/ntsb/SEA89LA072.md): Beech A55 · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Apr 20, 1989 · N6866Q · Destroyed
  > A premature/improper retraction of the landing gear by the second pilot (aircraft owner), who was occupying the right front seat.
- [NTSB LAX89LA118](https://openairdocs.org/ntsb/LAX89LA118.md): Cessna 310 · Long Beach, CA · Accident · No injuries · Limited investigation · Final report · Mar 10, 1989 · N4899B · Substantial damage
  > The failure of the landing gear strut on the right main gear due to improper maintenance.
- [NTSB MIA89LA089](https://openairdocs.org/ntsb/MIA89LA089.md): Piper PA-32R-300 · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Feb 18, 1989 · N4303X · Substantial damage
  > Faulty installation of avionics equipment which caused wiring in the landing gear system to be improperly reinstalled.
- [NTSB ATL89LA076](https://openairdocs.org/ntsb/ATL89LA076.md): Beech A90 · Montgomery, AL · Accident · No injuries · Limited investigation · Final report · Jan 16, 1989 · N623AW · Substantial damage
  > The instructor pilot (CFI) inadvertently actuated the landing gear handle to the up position.
- [NTSB CHI89LA043](https://openairdocs.org/ntsb/CHI89LA043.md): Cessna T303 · Romeo, MI · Accident · No injuries · Limited investigation · Final report · Jan 6, 1989 · N9890C · Substantial damage
  > The failure of the left main landing gear assembly due to stress corrosion.

## 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") = 1989
  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&year=1989

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