# NTSB investigations: Lycoming IGSO-540-B1A, 1985

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 MIA86LA011](https://openairdocs.org/ntsb/MIA86LA011.md): Beech 65A-80 · Ochopee, FL · Accident · No injuries · Limited investigation · Final report · Oct 12, 1985 · N8000R · Substantial damage
  > While on a night pleasure flt, both engs surged and lost pwr and an emergency landing was made. The plt stated that he had a total of 3 hrs flt time in this type of acft. He later recanted his statement & stated that he had never flown this type acft before.…
- [NTSB DCA85AA012](https://openairdocs.org/ntsb/DCA85AA012.md): Beech 65-A80 · Soldotna, AK · Accident · 9 fatal · Final report · Feb 4, 1985 · N50NP · Destroyed
  > During arrival, the crew of npa flt 1802 contacted the company wx observer at Soldotna who advised the wx was: wnd calm,ceiling 600 to 800 ft, vis 8 to 10 mi, no precip. They made an NDB apch, but missed the apch & requested another apch. Aprx 1 min later,…

## 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") = 1985
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41535'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41535&year=1985

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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.