# NTSB investigations: Gates Learjet 35A: Collision with terr/obj (non-CFIT)

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 WPR22FA068](https://openairdocs.org/ntsb/WPR22FA068.md): Gates Learjet 35A · El Cajon, CA · Accident · 4 fatal · Class 3 · Field · Final report · Dec 28, 2021 · N880Z · Destroyed
  > The flight crew’s decision to descend below the published MDA, cancel their IFR clearance to conduct an unauthorized circle-to-land approach to another runway while the airport was in nighttime IFR conditions, and the exceedance of the airplane’s critical…
- [NTSB CEN17MA183](https://openairdocs.org/ntsb/CEN17MA183.md): Learjet 35A · Teterboro, NJ · Accident · 2 fatal · Class 1 · Major · Final report · May 15, 2017 · N452DA · Destroyed
  > The pilot-in-command's (PIC) attempt to salvage an unstabilized visual approach, which resulted in an aerodynamic stall at low altitude. Contributing to the accident was the PIC's decision to allow an unapproved second-in-command to act as pilot flying, the…
- [NTSB WPR13FA227](https://openairdocs.org/ntsb/WPR13FA227.md): Gates Learjet 35A · McMinnville, OR · Accident · No injuries · Field investigation · Final report · May 13, 2013 · N22MS · Substantial damage
  > Failure of maintenance personnel to reattach the landing gear squat switches following maintenance, which rendered the airplane's steering, braking, and thrust reverser systems inoperative during landing. Contributing to the accident were the failure of both…
- [NTSB CEN10MA088](https://openairdocs.org/ntsb/CEN10MA088.md): Gates Learjet 35A · Prospect Heights, IL · Accident · 2 fatal · Major investigation · Final report · Jan 5, 2010 · N720RA · Substantial damage
  > A loss of control for undetermined reasons.
- [NTSB ANC08LA035](https://openairdocs.org/ntsb/ANC08LA035.md): Learjet 35A · Aniak, AK · Accident · No injuries · Limited investigation · Final report · Feb 21, 2008 · N351AS · Substantial damage
  > The captain's inadequate compensation for wind conditions during the landing flare/touchdown. Contributing to the accident were a crosswind and windshear.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5170602')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/470/sequence?model=5170602

---
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.