# NTSB investigations: Lycoming R680E 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 MIA00LA054](https://openairdocs.org/ntsb/MIA00LA054.md): Cessna 152 · Hickory, NC · Accident · No injuries · Limited investigation · Final report · Dec 18, 1999 · N95775 · Substantial damage
  > The certified flight instructor (CFI) failure to maintain directional control on rough terrain on takeoff. This resulted in the airplane veering to the left, colliding with bushes after the airplane became airborne, and subsequent in-flight collision with…
- [NTSB SEA99LA163](https://openairdocs.org/ntsb/SEA99LA163.md): Stinson V77 · Tacoma, WA · Accident · No injuries · Limited investigation · Final report · Sep 11, 1999 · N69386 · Substantial damage
  > The pilot-in-command's inadvertent use of heavier than normal braking during the landing roll. A contributing factor was the gusty wind conditions.
- [NTSB LAX99LA126](https://openairdocs.org/ntsb/LAX99LA126.md): Boeing Stearman A75N1 · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Mar 20, 1999 · N52558 · Substantial damage
  > The pilot's inadequate compensation for the gusty and variable crosswind condition, which led to a loss of directional control and an inadvertent ground loop.

## 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 ('41545'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41545&year=1999

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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.