NTSB investigations: Lycoming TI0-540 series
69 cases on aircraft whose registry engine model is Lycoming TI0-540 series, where the first occurrence was “Loss of engine power(total) - mech failure/malf”. 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
| 1982 | 4 |
|---|---|
| 1984 | 3 |
| 1985 | 5 |
| 1986 | 3 |
| 1987 | 4 |
| 1988 | 5 |
| 1989 | 3 |
| 1990 | 3 |
| 1991 | 5 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 5 |
| 1997 | 2 |
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 4 |
| 2002 | 3 |
| 2004 | 5 |
| 2005 | 2 |
| 2006 | 4 |
| 2007 | 1 |
Where
Open the mapLatest 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41533')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 351))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41533')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 351))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 CHI07LA071Accident · Serious injuriesLimited investigationFinal reportPiper PA-32-300 · Pellston, MIThe fatigue failure of the engine cylinder which resulted in a complete loss of engine power, and the unsuitable terrain encountered by the pilot during the subsequent forced landing. Contributing to the accident were the night lighting condition, and trees.NTSB DFW07FA020Accident · 3 fatalField investigationFinal reportPiper PA-32-300 · Danville, ARFailure of the number 5 cylinder which resulted in oil starvation and the subsequent loss of engine power, and the pilot's inability to see the transmission line during the forced landing. Factors Contributing to the accident were the dark night and the…NTSB DEN06LA112Accident · No injuriesLimited investigationFinal reportPiper PA-24-260 · Harrisburg, NEThe loss of engine power resulting from mechanical failure of a connecting rod for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.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.NTSB MIA06LA063Accident · Minor injuriesLimited investigationFinal reportPiper PA-32RT-300T · Baker, FLA loss of engine power due to an oil line leak and oil exhaustion. A contributing factor was the unsuitable terrain on which to make a forced landing.NTSB MIA06FA024Accident · 2 fatalField investigationFinal reportPiper PA-32-300 · Mims, FLThe loss of engine power due to improper installation of the #2 cylinder by maintenance personnel, which resulted in the separation of the cylinder as a result of fatigue cracking of the cylinder to crankcase fasteners. A contributing factor was the lack of…NTSB ATL05LA101Accident · Minor injuriesLimited investigationFinal reportPiper PA-32-300 · Fort Myers, FLA loss of engine power due to the connecting rod cap separation for undetermined reasons. Related factors were trees and the swampy terrain condition.NTSB ATL05LA007Accident · Serious injuriesLimited investigationFinal reportPiper PA-32RT-300T · Guntersville, ALTotal loss of engine power due to engine oil contamination, engine oil starvation, and multiple connecting rod bearing failures.NTSB FTW04LA238Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Sweeny, TXThe fracture failure of the left engine crankshaft for undetermined reasons.NTSB LAX04LA232Accident · No injuriesLimited investigationFinal reportBeech S35 · Flagstaff, AZoil exhaustion due to a leak from the bottom oil drain line gasket and o-ring for the turbo charger.NTSB ATL04FA090Accident · 2 fatalField investigationFinal reportSmith Aerostar 601P · Johns Island, SCThe pilot's failure to maintain airspeed during emergency descent, which resulted in an inadvertent stall/spin and uncontrolled descent into trees and terrain. A factor was the loss of engine power in one engine due to pre-ignition/detonation.NTSB LAX04LA084Accident · No injuriesLimited investigationFinal reportPiper PA-32R-300 · Riverside, CAengine oil exhaustion due to the extrusion of an oil filter converter plate gasket and the failure of the aircraft owner to comply with a mandatory Service Bulletin and a Federal Aviation Administration emergency Airworthiness Directive.NTSB MIA02LA147Accident · Minor injuriesLimited investigationFinal reportBellanca 17-31A · Gainesboro, TNa total loss of engine power due to the failure of the main bearing, a loss of oil pressure and the seizure of a connecting rod, resulting in damage to the airplane during the subsequent forced landing.NTSB CHI02FA231Accident · 3 fatalField investigationFinal reportPiper PA-46-350P · Benton Harbor, MIThe pilot's failure to maintain airspeed above stall speed resulting in a stall/spin. Additional causes were the pilot not maintaining best glide airspeed and optimal glidepath following the loss of engine power. A factor to the accident was the engine…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…NTSB IAD01LA107Accident · Serious injuriesLimited investigationFinal reportPiper PA-32RT-300T · Medina, OHfatigue failure of the dual magneto mounting flanges that resulted from undetected contact damage sustained during a previous installation, which resulted in its separation from the engine during take-off.NTSB LAX01LA179Accident · No injuriesLimited investigationFinal reportPiper PA-32RT-300T · Paulden, AZCatastropic engine failure due to oil depletetion caused by an oil filter gasket failure.NTSB LAX01FA113Accident · 2 fatalField investigationFinal reportPiper PA-32R-300 · Essex, CARupture of the fuel injection flow divider diaphragm due to improper manufacture of the raw material stock from which the diaphragm was fabricated. The diaphragm tear resulted in complete engine power loss, which required the pilot to descend into an…NTSB FTW01LA068Accident · Serious injuriesLimited investigationFinal reportPiper PA32-R-301T · Haslet, TXthe improper installation of the oil filter bypass valve by an unknown person, which resulted in the loss of engine oil and subsequent loss of total power during a normal descent. A contributing factor to the accident was the lack of suitable terrain for the…NTSB LAX00LA277Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Boulder City, NVThe fatigue fracture and separation of the No. 6 cylinder fuel injector line due to the company maintenance personnel's failure to comply with an Airworthiness Directive. A factor in the accident was the company's decision to operate the aircraft in…NTSB DEN00IA093Incident · No injuriesIncident investigationFinal reportPiper PA-32R-300 · Erie, COImproper installation of cylinders by unknown maintenance personnel who failed to torque the cylinder stud nuts sufficiently.NTSB ANC99LA043Accident · Minor injuriesLimited investigationFinal reportPiper PA-32R · Fairbanks, AKThe loss of engine power due to the failure of maintenance personnel to properly torque a connecting rod bolt during an engine overhaul, and the subsequent disconnection of the connecting rod bolt and connecting rod.NTSB MIA97LA243Accident · No injuriesLimited investigationFinal reportPiper PA-32RT-300 · Oxford, NCfatigue failure of the No.4 connecting rod in an area where galling had occurred, which resulted in loss of engine power and a forced landing. Related factors were: the pilot's lack of communication by failing to select the proper UNICOM frequency; and his…NTSB ANC97FA097Accident · 4 fatalField investigationFinal reportPiper PA-32 · Skagway, AKjamming/failure of the left magneto impulse coupling, which stopped rotation of the magneto gear, and resulted in subsequent shearing of the accessory intermediate idler gear. Factors relating to the accident were: the lack of suitable terrain for a forced…NTSB MIA97FA031Accident · 1 fatalField investigationFinal reportPiper PA32-300D · Reform, ALa complete loss of engine power due to a total failure of both magnetos, and the failure of the pilot-in-command to insure that the airplane was airworthy. The dark night and unsuitable terrain were factors.NTSB ATL96LA128Accident · Minor injuriesLimited investigationFinal reportPiper PA-32-300 · Georgetown, SCfailure of maintenance personnel to comply with an airworthiness directive, requiring periodic magneto inspections; inadequate annual inspection of the airplane by (other) maintenance personnel; and subsequent failure of the impulse coupling in the left…NTSB NYC96LA118Accident · No injuriesLimited investigationFinal reportPiper PA-32R · Williamstown, NJinadequate maintenance, which resulted in a failure of the magneto housing hold-down flange, a disconnect of the magneto from the engine, and loss of engine power. The obstruction (fence post) in the emergency landing area was a related factor.NTSB ATL96TA047Accident · Minor injuriesFinal reportPiper PA-32-300 · Windermere, FLthe use of improper connecting rod bolts, failure of the overhaul facility to record the correct overhaul date on the work orders for the stored connecting rod assemblies, and subsequent failure of the connecting rod bolts.NTSB CHI96FA113Accident · 1 fatalField investigationFinal reportPiper PA-32 · Milwaukee, WIInadequate maintenance and inspection in that the Airworthiness Directive which applied to the fuel pump had not been complied with. A factor was the pilot was unable to reach land.NTSB NYC96FA012Accident · 1 fatalField investigationFinal reportPiper PA-31-350 · Atlantic Ocean (Atlantic Ocean)a total loss of left engine power as a result of an in-flight separation of the #2 cylinder. The cylinder separated due to high stress fatigue cracking of the cylinder hold down studs and the #3 main bearing thru-studs. Factors in this accident were: improper…NTSB CHI95LA196Accident · No injuriesLimited investigationFinal reportPiper PA-32R · Columbia, MOA loose (or missing) nut and clip for the bottom magneto stud, due to inadequate maintenance, and fatigue failure of the magneto housing flange, which restulted in an oil leak, engine compartment fire, and a forced landing. A factor relating to the accident…NTSB CHI94LA121Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Ellsworth, NEthe jammed impulse coupling on the left magneto which caused the crankshaft drive gear to shear from the crankshaft.NTSB ATL94FA011Accident · 5 fatalField investigationFinal reportPiper PA-32RT-300T · Wrens, GAWas the fatique failure of the idler gear which resulted in the complete loss of engine power. A factor was the dark night.NTSB NYC92LA107Accident · No injuriesLimited investigationFinal reportPiper PA-32R-300 · Denton, MDThe failure of the pilot to detect the automobile gasoline in the tanks prior to departure, and intentional refueling with improper fuel by the pilot's brother which resulted in a lose of engine power due to detonation and loss of oil pressure.NTSB FTW92LA008Accident · Serious injuriesLimited investigationFinal reportBellanca 17-31 · Big Spring, TXThe complete loss of engine power due to a failed piston rod. A factor was the lack of suitable terrain for the forced landing.NTSB ANC92IA001Incident · No injuriesIncident investigationFinal reportPiper PA-31-350 · Fairbanks, AKIncorrect installation of crankshaft counterwweight rollers by the manufacturer during remanufacture of the engine. Factor was the inadequate surveillance of the engine assembly process by the manufacturer.NTSB NYC91LA185Accident · No injuriesLimited investigationFinal reportPiper PA-23-250 · Templeton, MAFuel starvation induced power loss on first the left engine due to a failed fuel fitting and then the right engine due to a worn fuel fitting. A factor was the lack of suitable terrain for the forced landing.NTSB LAX91LA315Accident · 2 fatalLimited investigationFinal reportPiper PA32-300 · Corona, CAThe pilot's failure to maintain an airspeed above the aircraft's stall speed after the engine failed. Factors contributing to the accident were: the failure of the engine, magneto and accessory drive gear, the rough terrain conditions over which the engine…NTSB MIA91LA138Accident · Minor injuriesLimited investigationFinal reportPiper PA-32-300 · Clearwater, FLInadequate annual inspection of the airplane by maintenance personnel who failed to detect a deteriorated oil line. This resulted in oil exhaustion causing the total loss of engine power due to failure of one of the connecting rods. Also inadvertent…NTSB LAX90LA338Accident · Serious injuriesLimited investigationFinal reportMooney M-20-M · Flagstaff, AZEngine failure due to a ruptured fuel pump diaphragm. A factor in the accident was the unsuitable nature of the terrain to make a forced landing.NTSB MIA90FA090Accident · Minor injuriesField investigationFinal reportButler Aerostar 601 · Lake Butler, FLInflight failure of the left engine which was caused by inadequate maintenance and inspection by company maintenance personnel resulting in heat damaged magneto leads as a result of a missing exhaust flange-to-turbocharger seal. In addition, the inflight…NTSB FTW90LA055Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301T · Liberty, TXLoss of engine power due to failure of the tappet faces. A factor in the accident was the unsuitable terrain in which the forced landing was made.NTSB MKC89LA152Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Excelsor Sprgs, MOThe catastrophic failure of the aircraft engine and the pilots failure to maintain directional control of the aircraft during the landing roll. Improper maintenance, the dark night conditions, and restricted visibility due to oil on the windscreen were…NTSB ANC89LA102Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Tuntutuliak, AKFailure of the engine crankshaft. A contributing factor to aircraft damage was a mud (dirt) bank which the aircraft hit during the emergency landing.NTSB MKC89LA080Accident · No injuriesLimited investigationFinal reportCallair A9-B · Fisher, ARFailure of the engine magneto resulting in engine failure.NTSB LAX89FA014Accident · 5 fatalField investigationFinal reportPiper PA-32-300 · Sedona, AZTotal failure of the magneto's impulse coupling which resulted in a shearing of the crankshaft's idler gear teeth and the crankshaft dowel pin.NTSB MIA88LA210Accident · No injuriesLimited investigationFinal reportPiper PA-32R-300 · Atlantic Ocean (Atlantic Ocean)The plt stated that the eng started running rough. He decided to divert to alt aprt 15 miles away. While enroute, the plt stated that he heard a 'clanking' noise and oil sprayed the windsheild. The eng lost all power. The a/c was ditched in the Atlantic Ocean…NTSB MIA88FA178Accident · Serious injuriesField investigationFinal reportRockwell A9B · Marianna, FLThe acft sustained a complete & sudden power loss while engaged in ag operations at low alt. The prop, fwd portion of the crankshaft, cyl head & other eng parts separated from the acft. The acft struck a row of 40 ft trees & crashed to the grnd. An exam of…NTSB ATL88FA110Accident · Serious injuriesField investigationFinal reportPiper PA-32R-300 · Rock Hill, SCThe plt and a certificated pilot/pax departed the Rock Hill apt for a local maint test flt following an engine overhaul and installation. About 10 minutes into the flt, the engine oil pressure dropped to zero and a complete loss of power followed. The plt…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…