# NTSB investigations: Lycoming IO-540 series, MS

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 CEN26LA317](https://openairdocs.org/ntsb/CEN26LA317.md): Robinson Helicopter R44 II · Natchez, MS · Accident · Minor injuries · Class 4 · Limited · Investigation open · Sep 13, 2026 · N7527L · Substantial damage
- [NTSB CEN25LA387](https://openairdocs.org/ntsb/CEN25LA387.md): Piper PA-32R-301 · Oxford, MS · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 18, 2025 · N318JM · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack during the initial takeoff climb, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB ERA14CA055](https://openairdocs.org/ntsb/ERA14CA055.md): Robinson Helicopter R44 II · Tunica, MS · Accident · No injuries · Data collection · Final report · Nov 28, 2013 · N44DQ · Substantial damage
  > The student pilot's failure to maintain control of the helicopter during the attempted takeoff, and the flight instructor's inadequate supervision of the student pilot.
- [NTSB ATL01FA105](https://openairdocs.org/ntsb/ATL01FA105.md): Piper PA-32R-301 · Byhalia, MS · Accident · 2 fatal · Field investigation · Final report · Sep 8, 2001 · N8398Z · Destroyed
  > The pilot's improper evaluation of weather conditions which lead to an inflight encounter with turbulent weather resulting in an in flight break up of the airframe, and subsequent uncontrolled descent into terrain. A factor was the pilot's drug impairment.
- [NTSB MIA98LA085](https://openairdocs.org/ntsb/MIA98LA085.md): Piper PA-32-300 · Holly Springs, MS · Accident · No injuries · Limited investigation · Final report · Feb 24, 1998 · N8SX · Substantial damage
  > a total loss of power due to fuel starvation as a result of the pilot's lack of adequate preflight planning and preparation and his failure to adequately refuel his airplane.
- [NTSB MIA90LA173](https://openairdocs.org/ntsb/MIA90LA173.md): Piper PA-32RT-300 · Hattiesburg, MS · Accident · No injuries · Limited investigation · Final report · Aug 24, 1990 · N289PC · Substantial damage
  > Failure of the pilot in command to attain adequate airspeed prior to liftoff during an attempted takeoff. The pilot then lost control of the airplane in flight. The pilot also delayed in his decision to abort the takeoff.
- [NTSB MIA77FLT01](https://openairdocs.org/ntsb/MIA77FLT01.md): Dehavilland OHC-1 · Walls, MS · Accident · Serious injuries · Closed · Jan 22, 1977 · N8DW · Substantial damage

## 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."eventStateOrRegion" = 'MS' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41530&state=MS

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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.