# NTSB investigations: Lycoming IGSO-540-B1A, 1998

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 CHI99LA008](https://openairdocs.org/ntsb/CHI99LA008.md): Beech 65-B80 · Brainerd, MN · Accident · Minor injuries · Limited investigation · Final report · Oct 17, 1998 · N138BA · Substantial damage
  > the pilot's failure to maintain the proper glidepath and his diversion of attention during a critical phase of flight.
- [NTSB NYC98LA125](https://openairdocs.org/ntsb/NYC98LA125.md): Beech BE 65-80 · Malone, NY · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 1998 · N215AB · Destroyed
  > The pilot's failure to follow emergency procedures, and his failure to maintain control of the airplane after a loss of power from one engine. Factors include fuel filter blockage, inadequate maintenance, and the pilot's lack of experience in multi-engine…
- [NTSB SEA98LA073](https://openairdocs.org/ntsb/SEA98LA073.md): Aero Commander 500-A · Billings, MT · Accident · No injuries · Limited investigation · Final report · May 9, 1998 · N9382R · Substantial damage
  > Failure of the main landing gear strut outer-body to inner-body needle bearing from the lack of lubrication and the development of corrosion. An inadequate manufacturer's inspection program was a factor.

## 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") = 1998
  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=1998

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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.