# NTSB investigations: Garrett TFE731 series: Loss of control - in flight

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 DEN08LA013](https://openairdocs.org/ntsb/DEN08LA013.md): Learjet 35A · Goodland, KS · Accident · No injuries · Limited investigation · Final report · Oct 17, 2007 · N31MC · Substantial damage
  > The pilot's failure to maintain aircraft control during the landing.
- [NTSB LAX07TA051](https://openairdocs.org/ntsb/LAX07TA051.md): Learjet 36 · San Diego, CA · Accident · No injuries · Final report · Dec 1, 2006 · N26FN · Substantial damage
  > The pilot's failure to maintain aircraft control while maneuvering, which resulted in exceeding the design stress limits of the aircraft. Contributing to the accident was the sunglare.
- [NTSB LAX06FA071](https://openairdocs.org/ntsb/LAX06FA071.md): Learjet 35A · Truckee, CA · Accident · 2 fatal · Field investigation · Final report · Dec 28, 2005 · N781RS · Destroyed
  > The pilot's inadequate compensation for the gusty crosswind condition and failure to maintain an adequate airspeed while maneuvering in a steep turn close to the ground.
- [NTSB NYC04LA088](https://openairdocs.org/ntsb/NYC04LA088.md): Gates Learjet 35A · Utica, NY · Accident · No injuries · Limited investigation · Final report · Mar 19, 2004 · N800AW · Substantial damage
  > The copilot's failure to maintain airspeed, and the captain's delayed remedial action, which resulted in an inadvertent stall and the subsequent hard landing.
- [NTSB DEN03FA155](https://openairdocs.org/ntsb/DEN03FA155.md): Hawker Siddeley HS-125-700A · Beaumont, TX · Accident · 3 fatal · Field investigation · Final report · Sep 20, 2003 · N45BP · Destroyed
  > the first pilot's failure to maintain aircraft control and adequate airspeed. Contributing factors included performing intentional stalls at too low an altitude to afford a safe recovery, the pilot's failure to add power in an attempt to recover, and the…
- [NTSB NYC03FA173](https://openairdocs.org/ntsb/NYC03FA173.md): Learjet 35A · Groton, CT · Accident · 2 fatal · Field investigation · Final report · Aug 4, 2003 · N135PT · Destroyed
  > The first officer's inadvertent retraction of the flaps during the low altitude maneuvering, which resulted in the inadvertent stall and subsequent in-flight collision with a residential home. Factors in the accident were the captain's decision to perform a…
- [NTSB FTW03FA036](https://openairdocs.org/ntsb/FTW03FA036.md): Israel Aircraft Industries 1124A · Taos, NM · Accident · 2 fatal · Field investigation · Final report · Nov 8, 2002 · N61RS · Destroyed
  > The pilot's inadvertent flight into mountain wave weather conditions while IMC, resulting in a loss of aircraft control.
- [NTSB CHI99LA078](https://openairdocs.org/ntsb/CHI99LA078.md): Gates Learjet 35 · Chicago, IL · Accident · No injuries · Limited investigation · Final report · Jan 29, 1999 · N130F · Substantial damage
  > the second pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall mush.

## 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.engine_model_code IN ('29001')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=29001&occurrence=250

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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.