# NTSB investigations: Lycoming TIGO-541SER: Airframe/component/system failure/malfunction

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 SEA06CA018](https://openairdocs.org/ntsb/SEA06CA018.md): Piper PA-24-250 · Tacoma, WA · Accident · No injuries · Data collection · Final report · Nov 3, 2005 · N1959P · Substantial damage
  > The collapse of the landing gear due to the pilot's failure to use the emergency gear extension system after his aircraft experienced a complete loss of electrical power. Factors include the malfunction of the voltage regulating system, which lead to the…
- [NTSB CHI92FA066](https://openairdocs.org/ntsb/CHI92FA066.md): Piper PA-31P · Mosinee, WI · Accident · 1 fatal · Field investigation · Final report · Jan 2, 1992 · N500BH · Destroyed
  > An inflight fire with the cabin heater as the origin, and unsuitable terrain in which to make a forced landing. A factor related to the accident was the soft terrain.
- [NTSB MKC84LA098](https://openairdocs.org/ntsb/MKC84LA098.md): Piper PA-31P · Olathe, KS · Accident · No injuries · Limited investigation · Final report · Mar 9, 1984 · N3TB · Substantial damage
  > At FL240, a fire broke out in the rgt eng compartment. The plt indicated that the eng turbo-charger was malfunctioning. The plt shut down the eng & asked for radar vectors to johnson county executive arpt. The fire went out at 21,000 ft & the acft landed…

## 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 ('41539')
    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" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41539&occurrence=130

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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.
