NTSB investigations: Lycoming IO-540 series, MS

7 cases on aircraft whose registry engine model is Lycoming IO-540 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19772026
NTSB investigations: Lycoming IO-540 series, MS per year, 1977–2026: 7 cases
19771
19901
19981
20011
20131
20251
20261

Latest cases

Query with SQL
duckdb -csv -c "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"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB CEN26LA317Accident · Minor injuriesClass 4 · LimitedInvestigation openRobinson Helicopter R44 II · Natchez, MSSep 13, 2026 · N7527L · Substantial damageNTSB CEN25LA387Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA-32R-301 · Oxford, MSThe 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.Sep 18, 2025 · N318JM · Substantial damageNTSB ERA14CA055Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Tunica, MSThe 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.Nov 28, 2013 · N44DQ · Substantial damageNTSB ATL01FA105Accident · 2 fatalField investigationFinal reportPiper PA-32R-301 · Byhalia, MSThe 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.Sep 8, 2001 · N8398Z · DestroyedNTSB MIA98LA085Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Holly Springs, MSa 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.Feb 24, 1998 · N8SX · Substantial damageNTSB MIA90LA173Accident · No injuriesLimited investigationFinal reportPiper PA-32RT-300 · Hattiesburg, MSFailure 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.Aug 24, 1990 · N289PC · Substantial damageNTSB MIA77FLT01Accident · Serious injuriesClosedDehavilland OHC-1 · Walls, MSJan 22, 1977 · N8DW · Substantial damage