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NTSB investigations: Lycoming TI0-540 series, UT

26 cases on aircraft whose registry engine model is Lycoming TI0-540 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19702026

Where

Latest cases

Query with 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" = 'UT' 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 ('41533')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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\" = 'UT' 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 ('41533'))
  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.

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" = 'UT' 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 ('41533'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB WPR24LA088Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-32R-301T · Spanish Fork, UTThe pilot's failure to ensure proper placement of the fuel selector, which resulted in a total loss of engine power due to fuel starvation.Feb 10, 2024 · N989SR · Substantial damage NTSB WPR24FA024Accident · 1 fatalClass 3 · FieldFinal reportCessna T206H · Orangeville, UTThe pilot's controlled flight into mountainous terrain for reasons that could not be determined.Oct 27, 2023 · N915DV · Substantial damage NTSB WPR20LA238Accident · 5 fatalClass 3 · LimitedFinal reportPiper PA32R · West Jordan, UTThe pilot's failure to maintain the airplane’s speed during takeoff near the airplane’s maximum gross weight in high-density altitude conditions, which resulted in the exceedance of the airplane's critical angle of attack and led to an aerodynamic stall, loss…Jul 25, 2020 · N7677C · Substantial damage NTSB WPR18LA272Accident · No injuriesClass 3 · LimitedFinal reportSmith AEROSTAR601 · Heber, UTA recent hard landing resulted in a fracture of a joint from a cylinder to a main landing gear.Sep 25, 2018 · N90339 · Substantial damage NTSB WPR14LA142Accident · No injuriesLimited investigationFinal reportBellanca 17 31 · Salt Lake City, UTThe failure of the right main landing gear extension spring to maintain adequate pressure, which allowed the landing gear to collapse during the landing roll.Mar 21, 2014 · N28119 · Substantial damage NTSB WPR09LA297Accident · No injuriesLimited investigationFinal reportBellanca 17-31ATC · Roosevelt, UTThe retraction of the left main landing gear due to the failure of the extension and retraction actuator arm attach bolt. Contributing to the accident was the failure of maintenance personnel to discover the extensive elongation of the actuator attach fitting…Jun 19, 2009 · N14797 · Substantial damage NTSB SEA06CA179Accident · No injuriesData collectionFinal reportPiper PA-32-300 · Kanab, UTThe pilot's failure to maintain aircraft control during the takeoff roll. Contributing factors were the rough/uneven conditions of the dirt runway, the wind gusts, and the berms and ditches on both sides of the runway.Sep 11, 2006 · N4202R · Substantial damage NTSB SEA06LA141Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Grantsville, UTA lack of lubrication for undetermined reasons, which resulted in the failure of the Nos. 2, 3, 4, 5 and 6 connecting rods, a subsequent total loss of engine power during descent, which resulted in a forced landing. A factor in the accident was the soft sand.Jul 7, 2006 · N56824 · Substantial damage NTSB DEN03LA127Accident · No injuriesLimited investigationFinal reportPiper PA-24-260 · Ogden, UTthe failure of the landing gear retraction/extension assembly due to the improper rigging of the landing gear.Jun 28, 2003 · N8547P · Substantial damage NTSB DEN03LA065Accident · No injuriesLimited investigationFinal reportPiper PA-32RT-300T · St. George, UTthe pilot's improper flare technique, resulting in a hard landing that caused the nose landing gear down-lock to fail and the gear to collapse. A contributing factor was the unfavorable wind.Apr 16, 2003 · N31998 · Substantial damage NTSB DEN02LA028Accident · Minor injuriesLimited investigationFinal reportPiper PA-32R-300 · Ferron, UTa loss of engine power due to the ingestion of foreign object(s) into the meshing of the gears, causing a malfunction of the magneto idler gear and failure of maintenance personnel to detect the signs of imminent failure during a mandatory oil filter…Feb 24, 2002 · N47465 · Destroyed NTSB DEN00LA179Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Blanding, UTThe pilot's failure to follow the checklist and lower the landing gear for landing. A factor was diverted attention.Sep 27, 2000 · N114SA · Substantial damage NTSB DEN00LA120Accident · No injuriesLimited investigationFinal reportNew Piper PA-46-350P · Spanish Fork, UTFailure by the pilot to maintain control of the aircraft during initial climb following takeoff.Jun 26, 2000 · N9246D · Substantial damage NTSB FTW98FA325Accident · 1 fatalField investigationFinal reportCommander 114TC · West Jordan, UTA brittle fracture of the clamp that joins the exhaust pipe to the turbocharger. The pipe separated and hot exhaust gases escaped into the engine compartment. The engine lost power due to the high heat vaporizing fuel in the fuel line. Factors were inadequate…Jul 18, 1998 · N61174 · Destroyed NTSB SEA95FA031Accident · 4 fatalField investigationFinal reportPiper PA-32R-300 · Grantsville, UTThe VFR pilot's attempt to continue the flight into instrument meteorological conditions, and his failure to maintain altitude/clearance with mountainous terrain.Dec 19, 1994 · N175MC · Destroyed NTSB DEN88LA046Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Vernal, UTThe commercial plt and two passengers were surveying a road route in mountainous terrain. At cruise, the pilot noticed a drop in manifold pressure, followed by a loss of oil pressure. The plt reported that the engine quit. An autorotation to a snow covered…Jan 2, 1988 · N400AH · Substantial damage NTSB DEN86LA224Accident · No injuriesLimited investigationFinal reportPiper PA-24-260 · Monument Valley, UTThe plt was on an approach for landing when the acft began to settle. He said that increasing power did not seem to have an effect. Subsequently, the acft landed hard, collapsing the nose gear. The plt believed that he had encountered wind shear during the…Aug 8, 1986 · N8544P · Substantial damage NTSB DEN86LA016Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Vernal, UTThe plt stated he had just departed a site located on top of a mountain, which is approximately 12,200 ft MSL. The pilot said 30 seconds later, the helicopter lost partial power. Requiring him to make a force landing. The inspection of the turbocharger…Nov 1, 1985 · N400AH · Substantial damage NTSB DEN85LA188Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301T · Glen Canyon, UTThe plt said that during the takeoff roll at night from an unlit runway, he was distracted when the engine overboost light illuminated. The investigation revealed, however, that the plt was actually trying to avoid colliding with an airplane at the other end…Jul 14, 1985 · N8409V · Substantial damage NTSB DEN78FA002Accident · 7 fatalClosedPiper PA-32 · Cedar Fort, UTSep 30, 1977 · N5400F · Substantial damage NTSB DEN77DTM22Accident · Minor injuriesClosedPiper PA-24 · Hite, UTJul 4, 1977 · N9447P · Substantial damage NTSB DEN76FTM21Accident · No injuriesClosedPiper PA-32 · Logan, UTMar 9, 1976 · N4174R · Substantial damage NTSB DEN71FXT23Accident · No injuriesClosedPiper PA-32 · Provo, UTMay 1, 1971 · N4250R · Substantial damage NTSB DEN71DXT21Accident · No injuriesClosedPiper PA-23 · Garden City, UTFeb 25, 1971 · N5477Y · Substantial damage NTSB DEN71FXT19Accident · No injuriesClosedPiper PA-24 · Monument Vly, UTJan 28, 1971 · N9010P · Substantial damage NTSB DEN70FXT08Accident · No injuriesClosedPiper PA-32 · Woods Cross, UTApr 30, 1970 · N4088R · Substantial damage