# NTSB investigations: Lycoming IGSO-540-B1A: Loss of control - in flight

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 CHI01LA082](https://openairdocs.org/ntsb/CHI01LA082.md): Beech 65-B80 · Sioux Falls, SD · Accident · Serious injuries · Limited investigation · Final report · Feb 8, 2001 · N107BA · Substantial damage
  > The pilot initiated the flight into known icing conditions which resulted in his ability to maintain control of the airplane. Factors associated with the accident were the ice accumulation and the company induced pressure for the pilot to make the flight into…
- [NTSB LAX93FA045](https://openairdocs.org/ntsb/LAX93FA045.md): Beech D50A · Ely, NV · Accident · 2 fatal · Field investigation · Final report · Oct 29, 1992 · N102F · Destroyed
  > 1) The pilots decision to attempt VFR flight into instrument meteorological conditions, which included mountain obscurement and severe mixed icing, and, 2) his failure to maintain control of the aircraft due to a probable aerodynamic stall induced by severe…
- [NTSB FTW83FA299](https://openairdocs.org/ntsb/FTW83FA299.md): Aero Commander 680-F · Norman, OK · Accident · 2 fatal · Field investigation · Final report · Jun 28, 1983 · N6139X · Destroyed
  > The acft crashed after starting a go-around or aborted landing at normal ok. The acft was on a x-country from dallas to wichita. There was no radio communication with the acft after it was cleared to land. The approach looked ok but on short final the acft…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41535')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41535&occurrence=250

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