# NTSB investigations: Lycoming IO-540-AB1A5: 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 CEN20FA075](https://openairdocs.org/ntsb/CEN20FA075.md): Cessna 182 · Chatham, LA · Accident · 3 fatal · Class 3 · Field · Final report · Feb 6, 2020 · N60381 · Destroyed
  > The pilot’s encounter with icing in-flight, which resulted in a loss of control and impact with terrain.
- [NTSB ERA16FA100](https://openairdocs.org/ntsb/ERA16FA100.md): Cessna 182 · Mobile, AL · Accident · 2 fatal · Field investigation · Final report · Feb 2, 2016 · N784CP · Destroyed
  > The pilot's loss of airplane control during a missed approach in instrument meteorological conditions due to spatial disorientation. Contributing to the accident was the pilot's inadequate preflight and inflight weather planning which resulted the pilot's…
- [NTSB ERA14LA072](https://openairdocs.org/ntsb/ERA14LA072.md): Cessna 182T · Burlington, NC · Accident · No injuries · Limited investigation · Final report · Dec 17, 2013 · N963CP · Substantial damage
  > A loss of airplane control during takeoff for reasons that could not be determined due to the postaccident condition of the elevator control system.
- [NTSB CEN13FA269](https://openairdocs.org/ntsb/CEN13FA269.md): Cessna 182T · Fredericksburg, TX · Accident · 2 fatal · Field investigation · Final report · May 9, 2013 · N6197H · Destroyed
  > The pilot’s failure to maintain airspeed while transitioning from instrument to visual flight while still in instrument conditions, which resulted in an inadvertent stall.
- [NTSB CEN09LA247](https://openairdocs.org/ntsb/CEN09LA247.md): Cessna 182T · Stigler, OK · Accident · Serious injuries · Limited investigation · Final report · Apr 9, 2009 · N1491D · Substantial damage
  > The loss of directional control during takeoff. Contributing to the accident was the pilot's decision to take off with 40-degrees of flaps and with a tailwind.

## 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 ('41808')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '240'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/cases?engine=41808

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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.