# NTSB investigations: Lycoming R680E series, AZ

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 WPR09LA384](https://openairdocs.org/ntsb/WPR09LA384.md): Boeing E75 · Happy Jack, AZ · Accident · 1 fatal · Limited investigation · Final report · Aug 4, 2009 · N5195N · Substantial damage
  > The pilot's failure to maintain airspeed while maneuvering which resulted in an inadvertent stall/spin. Contributing to the accident was the high density altitude.
- [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.
- [NTSB LAX81FUJ39](https://openairdocs.org/ntsb/LAX81FUJ39.md): Boeing A75N1 · Phoenix, AZ · Accident · Minor injuries · Closed · Mar 8, 1981 · N69654 · Substantial damage
- [NTSB LAX74DUJ10](https://openairdocs.org/ntsb/LAX74DUJ10.md): Travel Air 4000 · Tollison, AZ · Accident · No injuries · Closed · Jul 26, 1973 · N359M · Destroyed
- [NTSB LAX68F0353](https://openairdocs.org/ntsb/LAX68F0353.md): Travel Air 4000 · Glendale, AZ · Accident · Serious injuries · Closed · Mar 2, 1968 · N4421 · Substantial damage
- [NTSB LAX68D0128](https://openairdocs.org/ntsb/LAX68D0128.md): Travel Air 4000 · Phoenix, AZ · Accident · No injuries · Closed · Sep 4, 1967 · N4910 · Substantial damage
- [NTSB LAX67D0036](https://openairdocs.org/ntsb/LAX67D0036.md): Grumman G-44A · Havasu City, AZ · Accident · No injuries · Closed · Jul 3, 1966 · N7775C · Substantial damage

## 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" = 'AZ' AND c."eventCountry" = 'USA'
  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&state=AZ

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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.