NTSB investigations: Lycoming IO-540 series, TN

25 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, TN per year, 1967–2026: 25 cases
19671
19831
19862
19942
19951
19961
19971
20001
20022
20031
20041
20061
20091
20102
20142
20151
20161
20171
20211
20241

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\" = 'TN' 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 ERA24FA176Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-32R-301 · Knoxville, TNThe pilot’s decision to depart into an area of instrument meteorological and icing conditions, which resulted in loss of airplane control and a subsequent in-flight breakup.Apr 12, 2024 · N9236J · DestroyedNTSB ERA22FA096Accident · 1 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Cosby, TNThe pilot’s intentional, continued flight into instrument meteorological conditions in a helicopter that was not certified for instrument conditions, which resulted in a loss of helicopter control and a collision with trees and terrain.Dec 29, 2021 · N544SC · Substantial damageNTSB ERA18FA016Accident · 2 fatalField investigationFinal reportPiper PA 32 · Morrison, TNThe pilots' loss of control during a missed approach in night instrument meteorological conditions as a result of spatial disorientation.Nov 8, 2017 · N47831 · DestroyedNTSB ERA17LA019Accident · No injuriesLimited investigationFinal reportCessna 182 · Toone, TNA stuck No. 3 cylinder exhaust valve, which resulted in failure of the cylinder's valvetrain components, breach of the cylinder's rocker box cover, and partial loss of engine power due to oil starvation.Oct 9, 2016 · N65903 · Substantial damageNTSB GAA15CA173Accident · No injuriesData collectionFinal reportCessna 182 · Athens, TNThe failure of the taxiway surface due to a sink hole, which resulted in the right main landing gear sinking into terrain causing substantial damage to the fuselage.Jul 6, 2015 · N234CF · Substantial damageNTSB ERA14LA311Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Nashville, TNThe pilot’s failure to maintain rotor rpm during an autorotation after a perceived partial loss of power, which resulted in a hard landing. Contributing to the accident was radio frequency interference with the governor controller, which resulted in an…Jun 24, 2014 · N544BS · Substantial damageNTSB ERA14FA163Accident · 1 fatalField investigationFinal reportDehavilland DHC-1 · Vonore, TNThe pilot’s continued visual flight rules flight into instrument meteorological conditions, which resulted in controlled flight into terrain.Mar 23, 2014 · N540FM · Substantial damageNTSB ERA11CA062Accident · No injuriesData collectionFinal reportCessna 182 · Sevierville, TNThe pilot's inadequate landing flare, which resulted in a bounced landing.Nov 12, 2010 · N1992D · Substantial damageNTSB ERA11LA048Accident · 2 fatalLimited investigationFinal reportBean R E/R B Weld Glasair III · Winchester, TNThe pilot's inadvertent climb and entry into instrument meteorological conditions during a course reversal, which resulted in spatial disorientation and a loss of control.Nov 5, 2010 · N7SY · DestroyedNTSB ERA10LA082Accident · 1 fatalLimited investigationFinal reportPiper PA-32RT-300 · Memphis, TNThe pilot's failure to execute a timely missed approach and subsequent failure to maintain aircraft control, after he was unable to establish the airplane on the instrument approach. Contributing to the accident was the pilot's possible impairment due to his…Nov 29, 2009 · N9243C · Substantial damageNTSB CHI07FA046Accident · 2 fatalField investigationFinal reportRockwell International 114 · Jasper, TNThe pilot's inability to maintain altitude due to excessive airframe ice accretion, resulting in an in-flight collision with trees and terrain. Additional causes were the pilot's continued flight in icing conditions once they had been encountered, and his…Dec 26, 2006 · N55MB · Substantial damageNTSB ATL04LA080Accident · No injuriesLimited investigationFinal reportMaule MX-7-235 · Nashville, TNThe pilot's inadequate compensation for wind and his failure to maintain aircraft control which resulted in a hard landing. The pilot's decision to land in wind conditions that exceeded the demonstrated crosswind component, wind gusts, and a crosswind were…Mar 7, 2004 · N5655P · Substantial damageNTSB ATL04FA023Accident · 1 fatalField investigationFinal reportPiper PA-32R-301 · Spencer, TNThe pilot's failure to maintain airspeed while maneuvering resulting in an inadvertent stall and the subsequent collision with the ground.Oct 22, 2003 · N69190 · DestroyedNTSB ATL03LA027Accident · Minor injuriesLimited investigationFinal reportCessna 182S · Nashville, TNThe pilot's failure to maintain visual lookout and his inattentiveness during taxi that resulted in an on ground collision with an embankment. A factor was the fog.Dec 27, 2002 · N416ES · Substantial damageNTSB ATL02LA046Accident · Serious injuriesLimited investigationFinal reportAero Commander 500U · Copperhill, TNThe pilot's inadequate preflight planning, which resulted in a total loss of engine power due to fuel exhaustion and a subsequent collision with trees during emergency landing on unsuitable terrainFeb 12, 2002 · N441WW · Substantial damageNTSB ATL00LA028Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Nashville, TNThe pilot's failure to maintain directional control during the landing roll.Feb 20, 2000 · N2233L · Substantial damageNTSB ATL97LA050Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Memphis, TNfailure of maintenance personnel to properly inspect (and repair) the brake assembly, which allowed a subsequent brake fluid leak and eventual fire.Mar 16, 1997 · N1102N · Substantial damageNTSB ATL96LA045Accident · No injuriesLimited investigationFinal reportPiper PA-32-RT-300 · Blountville, TNInadequate maintenance, and subsequent in-flight separation of the cowling, due to worn cowling components.Feb 7, 1996 · N2200J · Substantial damageNTSB MIA96FA048Accident · 2 fatalField investigationFinal reportPiper PA-32-301 · Memphis, TNthe pilot's continued flight into known forecast icing conditions which resulted in the aircraft developing an ice buildup, and the pilot's failure to maintain control of the aircraft. The icing conditions was a factor.Dec 19, 1995 · N8349Z · DestroyedNTSB ATL94LA126Accident · Serious injuriesLimited investigationFinal reportGreen Starduster TOO · Chattanooga, TNThe pilot's failure to maintain aircraft control, resulting in an inadvertent stall, and collision with terrain.Jun 25, 1994 · N11TG · Substantial damageNTSB ATL94FA075Accident · 1 fatalField investigationFinal reportPiper PA-32RT-300 · Smithville, TNThe pilot's failure to obtain recent weather information to avoid flight into icing conditions. Factors in the accident were: management-induced pressure and the icing conditions.Apr 7, 1994 · N9710C · DestroyedNTSB ATL86FA147Accident · 2 fatalField investigationFinal reportSmith, Ted Aerostar Aerostar 600 · Dickson, TNThe acft contacted electrical wires and trees shortly after takeoff. The acft then descended to impact with the terrain. Examination of the wreckage revealed the elevator trim actuator rod was extended 2.5 inches which correlates with a full nose down…May 29, 1986 · N260A · DestroyedNTSB ATL86FA125Accident · 1 fatalField investigationFinal reportBellanca 17-31ATC · Winchester, TNThe plt made a VFR pattern at an uncontrolled arpt and noted a truck alongside the north end of the rwy. The plt did notsee any persons on the rwy. During the landing flare the plt noticed a man on the rwy near the right wingtip. A jolt was felt as the acft…May 6, 1986 · N28138 · Substantial damageNTSB ATL84LA003Accident · No injuriesLimited investigationFinal reportPiper PA-32-301 · Sewanee, TNThe acft collided with trees during landing roll. The plt has recounted several variations of the accident from locked brakes (parking) to a flat left tire with full right rudder to maintain directional control. There was a left tire skid mark from touchdown…Oct 1, 1983 · N8349Z · Substantial damageNTSB MIA67F0396Accident · No injuriesClosedPiper PA-24 · Chattanooga, TNFeb 14, 1967 · N8562P · Substantial damage