NTSB investigations: Lycoming IO-540 series, OR

19 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

19672026
NTSB investigations: Lycoming IO-540 series, OR per year, 1967–2026: 19 cases
19671
19711
19851
19861
19961
20011
20061
20111
20121
20131
20141
20161
20172
20181
20191
20212
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\" = 'OR' 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 WPR26LA306Accident · No injuriesClass 4 · LimitedInvestigation openAero Rampart Steen Skybolt · Roseburg, ORAug 15, 2026 · N32DA · Substantial damageNTSB WPR21LA204Accident · Serious injuriesClass 3 · LimitedFinal reportMcclure B J Glasair III · Eugene, ORThe pilot’s loss of airplane control during the approach to landing due to an asymmetrical flap deployment for reasons that could not be determined based on the available evidence.May 20, 2021 · N54CB · DestroyedNTSB WPR21LA362Accident · No injuriesClass 3 · LimitedFinal reportMaule MX-7-235 · Ontario, ORA loss of hydraulic fluid and failure of the right brake for reasons that could not be determined due to a lack of available evidence.Mar 28, 2021 · N235X · Substantial damageNTSB WPR19FA178Accident · 1 fatalClass 2 · FieldFinal reportMaule M7-235B · Sunriver, ORA partial loss of engine power due to the separation of baffling in both mufflers. Contributing to the accident was the pilot's failure to retract the landing gear on the float-equipped airplane before performing a forced landing to the river.Jun 22, 2019 · N118G · Substantial damageNTSB GAA19CA007Accident · No injuriesData collectionFinal reportMaule M7 · Medford, ORThe pilot’s failure to maintain directional control during landing.Oct 6, 2018 · N10555 · Substantial damageNTSB WPR17LA192Accident · No injuriesLimited investigationFinal reportMaule M 7-235C · Klamath Falls, ORThe pilot's failure to follow the pre-takeoff checklist and the failure of the left main landing gear brake due to a damaged brake master cylinder piston rod, which resulted in a stuck left brake and subsequent loss of control during the landing roll.Aug 24, 2017 · N6447M · Substantial damageNTSB WPR17FA185Accident · 1 fatalField investigationFinal reportRich Wheeler Express CT · Madras, ORThe pilot's failure to maintain adequate airspeed while maneuvering in the airport traffic pattern for landing, which resulted in an exceedance of the airplane's critical angle of attack, a subsequent aerodynamic stall at an altitude too low to recover.Aug 19, 2017 · N246TM · DestroyedNTSB GAA16CA309Accident · No injuriesData collectionFinal reportMaule MX 7 · Ontario, ORThe pilot's failure to maintain directional control during landing, which resulted the right wing impacting the ground, and nose down.Jun 11, 2016 · N6VD · Substantial damageNTSB WPR14FA218Accident · 2 fatalField investigationFinal reportNebert Vans RV-10 · Toledo, ORA total loss of engine power due to fuel starvation because of a blocked fuel line that resulted from the pilot’s improper maintenance practices and the pilot’s subsequent failure to maintain adequate airspeed while attempting a forced landing, which led to…May 31, 2014 · N62DN · Substantial damageNTSB WPR13CA354Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · The Dalles, ORThe pilot's failure to see and avoid wires while maneuvering at a low-altitude, which resulted in the main rotor blades striking the wires.Jun 25, 2013 · N74666 · Substantial damageNTSB WPR12CA431Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · McMinnville, ORThe pilot's aggressive takeoff maneuver, which resulted in a loss of control.Sep 20, 2012 · N74744 · Substantial damageNTSB WPR11FA395Accident · 1 fatalField investigationFinal reportMaule M-7-235C · Brookings, ORThe pilot’s improper decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in a collision with trees while on approach for landing.Aug 21, 2011 · N199BF · Substantial damageNTSB SEA06FA159Accident · 3 fatalField investigationFinal reportRobinson R44 II · Warrenton, ORThe pilot's intentional flight into instrument meteorological conditions while maneuvering which resulted in an in flight collision with terrain/water.Aug 13, 2006 · N168PT · DestroyedNTSB SEA02LA020Accident · No injuriesLimited investigationFinal reportMaule M-7-235 · Halfway, ORA loss of aircraft control for undetermined reasons. A factor was a snow-covered landing surface.Dec 10, 2001 · N61385 · Substantial damageNTSB SEA97LA014Accident · Minor injuriesLimited investigationFinal reportCessna 172M · Albany, ORfailure of the SA-750 pilot to see-and-avoid the Cessna 172, which had landed ahead of him on the same runway. The inherent visual restrictions of the SA-750 (a tandem two-place biplane) was a related factor.Oct 12, 1996 · N9579H · 2 aircraft · Substantial damageNTSB SEA86FA126Accident · 4 fatalField investigationFinal reportLake LA-4-250 · Blue River, ORSeveral witnesses reported seeing the acft flying near the eugene arpt at an alt of 400 to 500 ft AGL. The acft was heading toward the Blue River. The acft was then seen flying over the Blue River forest ranger station aprx 7 minutes prior to the accident. At…May 17, 1986 · N1403A · DestroyedNTSB SEA85FA084Accident · 2 fatalField investigationFinal reportBellanca 17-31A · Yamhill, ORWitnesses observed the acft apch the airstrip with excessive speed. Touchdown on the rwy was beyond the halfway point & the acft bounced back into the air. Power was applied for an apparent go-around. The acft cleared tall trees at the end of the runway, but…Apr 7, 1985 · N9705E · DestroyedNTSB SEA72FYC12Accident · 1 fatalClosedCallair A-9 · Hermiston, ORJul 29, 1971 · N375MC · 2 aircraft · Minor damageNTSB SEA68D0188Accident · No injuriesClosedCessna 175 · Medford, ORSep 3, 1967 · N7277M · Substantial damage