# NTSB investigations: Garrett TFE731 series, 1999

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 NYC00MA048](https://openairdocs.org/ntsb/NYC00MA048.md): Israel Aircraft Industries 1124A · Gouldsboro, PA · Accident · 3 fatal · Major investigation · Final report · Dec 12, 1999 · N50PL · Destroyed
  > The improper assembly of the horizontal stabilizer trim actuator unit by maintenance personnel.
- [NTSB DCA00MA005](https://openairdocs.org/ntsb/DCA00MA005.md): Learjet 35 · Aberdeen, SD · Accident · 6 fatal · Class 1 · Major · Final report · Oct 25, 1999 · N47BA · Destroyed
  > Incapacitation of the flight crewmembers as a result of their failure to receive supplemental oxygen following a loss of cabin pressurization, for undetermined reasons.
- [NTSB MIA00LA013](https://openairdocs.org/ntsb/MIA00LA013.md): British Aerospace HS 125-700A · Fayetteville, NC · Accident · No injuries · Limited investigation · Final report · Oct 19, 1999 · N34GG · Substantial damage
  > The overstress failure of the lugs of the cylinder head of the left main landing gear jack for undetermined reasons. Also, inability of the flight crew to extend the left main landing gear.
- [NTSB ANC99LA125](https://openairdocs.org/ntsb/ANC99LA125.md): Learjet 35 · Glennallen, AK · Accident · No injuries · Limited investigation · Final report · Aug 27, 1999 · N90WR · Substantial damage
  > The pilot-in-command's delay in applying remedial action. A factor associated with the accident was the second-in-command's failure to maintain proper airspeed during final approach.
- [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 year(c."eventDate") = 1999
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('29001'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=29001&year=1999

---
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.