# NTSB investigations: Lycoming TI0-541 series, 1977

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 IAD78FID03](https://openairdocs.org/ntsb/IAD78FID03.md): Beech 60 · Newport News, VA · Accident · No injuries · Closed · Nov 7, 1977 · N399TL · Substantial damage
- [NTSB LAX78DUM02](https://openairdocs.org/ntsb/LAX78DUM02.md): Beech A56TC · Borrego Spring, CA · Accident · No injuries · Closed · Oct 7, 1977 · N9092Q · Substantial damage
- [NTSB SEA77DYM17](https://openairdocs.org/ntsb/SEA77DYM17.md): Beech 60 · Independence, OR · Accident · No injuries · Closed · Jan 22, 1977 · N7320D · 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 year(c."eventDate") = 1977
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41536'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41536&year=1977

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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.