# NTSB investigations: Gates Learjet 35A, CO

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 CEN21LA190](https://openairdocs.org/ntsb/CEN21LA190.md): Gates Learjet 35A · Colorado Springs, CO · Accident · No injuries · Class 3 · Limited · Final report · Apr 15, 2021 · N354EF · Substantial damage
  > The flight crew’s improper decision to continue the unstabilized approach, which resulted in an aerodynamic stall and impact with the runway during landing.
- [NTSB DEN05LA111](https://openairdocs.org/ntsb/DEN05LA111.md): Gates Learjet 35A · Eagle, CO · Accident · Serious injuries · Limited investigation · Final report · Jul 15, 2005 · N620JM · Substantial damage
  > the pilot's improper flare resulting in the hard landing and the fractured nose gear attachment, and the subsequent loss of control. Factors contributing to the accident were the high airspeed on approach, the pilot's improper in-flight planning/decision, and…
- [NTSB DEN91FA043](https://openairdocs.org/ntsb/DEN91FA043.md): Learjet 35A · Aspen, CO · Accident · 3 fatal · Field investigation · Final report · Feb 14, 1991 · N535PC · Destroyed
  > The flight crew's failure to maintain airspeed and control of the airplane while maneuvering to land. Contributing factors were the flight crew's execution of an unstabilized approach and the surrounding snow-covered mountainous terrain.

## 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" = 'CO' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5170602'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=5170602&state=CO

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