NTSB investigations
2,878 cases where the first occurrence was “Loss of engine power(total) - mech failure/malf”.
Cases per year
| 1982 | 175 |
|---|---|
| 1983 | 165 |
| 1984 | 138 |
| 1985 | 155 |
| 1986 | 126 |
| 1987 | 129 |
| 1988 | 160 |
| 1989 | 129 |
| 1990 | 123 |
| 1991 | 128 |
| 1992 | 133 |
| 1993 | 115 |
| 1994 | 129 |
| 1995 | 151 |
| 1996 | 119 |
| 1997 | 91 |
| 1998 | 78 |
| 1999 | 91 |
| 2000 | 92 |
| 2001 | 70 |
| 2002 | 54 |
| 2003 | 78 |
| 2004 | 63 |
| 2005 | 65 |
| 2006 | 62 |
| 2007 | 59 |
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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 351) 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 MIA08LA032Accident · Minor injuriesLimited investigationFinal reportMooney M20E · Sarasota, FLA loss of engine power due to contamination in the fuel filter.NTSB DEN08IA044Incident · No injuriesIncident investigationFinal reportPiper PA-46-310P · Aspen, COThe failure of the crankshaft due to fatigue. The fatigue crack initiation was not determined.NTSB LAX08CA033Accident · Minor injuriesData collectionFinal reportSenft/Anderson/salmon C-5 · Tucson, AZa total loss of engine power due to the failure of the number 3 articulating rod.NTSB NYC08FA053Accident · 1 fatalField investigationFinal reportPiper PA-28R-200 · Augusta, GAA loss of engine power due to the fatigue fracture of the number 2 cylinder attach studs, and the subsequent separation of the number 2 cylinder.NTSB ENG08IA002Incident · No injuriesIncident investigationFinal reportBoeing 737-300 · Greenville, TXA total loss of engine power due to the No. 2 engine experiencing a release of its fan spinner through the fan cowl as a result of an unidentified object striking the spinner, separating it from the fan disk and causing the spinner to be ingested into the fan…NTSB SEA08LA033Accident · No injuriesLimited investigationFinal reportBeech A36 · El Centro, CAThe failure of maintenance personnel to properly secure the #2 cylinder through bolts. A contributing factor was the lack of suitable terrain for landing.NTSB LAX08LA027Accident · No injuriesLimited investigationFinal reportBeech A36 · Jean, NVThe loss of engine power as a result of a fatigue failure of the camshaft gear teeth. Contributing to the accident were the dark night lighting conditions and the rough, uneven terrain the airplane encountered during the forced landing.NTSB CHI08CA034Accident · Minor injuriesData collectionFinal reportGluff, Alan Zenair 200 · Greenwood, INThe total loss of engine power due to a lubricating system leak for undetermined reasons which resulted in engine seizure, and the unsuitable terrain encountered during the forced landing. Contributing factors were the plowed field and the nose gear failure…NTSB CHI08GA028Accident · No injuriesFinal reportMcDonnell Douglas Helicopter 369E · Columbus, OHThe inadequate turbine wheel design that led to a turbine airfoil (blade) failure/separation, resulting in the loss of engine power.NTSB LAX08LA008Accident · No injuriesLimited investigationFinal reportMooney M20F · Alamo, NVFailure of the number 2 cylinder piston compression ring, which resulted in oil exhaustion and a catastrophic internal engine failure.NTSB CHI08CA005Accident · Minor injuriesData collectionFinal reportPiper PA-18-150 · Hot Springs, ARThe total loss of engine power due to inadequate fuel consumption calculations by the pilot resulting in fuel starvation while maneuvering over a lake at too low altitude for a safe landing. An additional cause was the unsuitable terrain encountered during…NTSB MIA07LA155Accident · 1 fatalLimited investigationFinal reportGrumman AA-5A · Worthington, KYThe separation of the engine's No. 4 piston from the crankshaft for unidentified reasons and the pilot's continued operation with known equipment deficiencies.NTSB ANC07LA104Accident · Minor injuriesLimited investigationFinal reportCessna U206 · McGrath, AKA separation of the engine connecting rod and engine cylinder due to the loss of a connecting rod nut that was stripped from the rod bolt.NTSB LAX07TA277Accident · No injuriesFinal reportAir Tractor AT-802A · Big Bear City, CALoss of engine power while maneuvering due to the failure of the number 1 bearing that was caused by electrical discharge damage to the bearing originating from the starter-generator. Contributing to the accident was the operator's failure to follow the…NTSB MIA07CA144Accident · Minor injuriesData collectionFinal reportCessna 177 · Columbia, SCThe loss of engine power as a result of the fuel mixture cable failure for undetermined reasons.NTSB MIA07LA140Accident · No injuriesLimited investigationFinal reportCessna 208B · Cross City, FLA total loss of engine power during cruise flight due to the fracture and separation of the compressor turbine blades for undetermined reasons. Contributing to the accident was the unsuitable terrain for a forced landing.NTSB CHI07LA287Accident · No injuriesLimited investigationFinal reportMooney M20K · Fort Wayne, INA total loss of engine power due to the fatigue failure of one of the number two cylinder connecting rod bolts.NTSB LAX07LA268Accident · No injuriesLimited investigationFinal reportPiper PA-28-181 · Lopez Island, WAA loss of engine power due to the fatigue failure of the left idler gear. Inadequate maintenance installation of the recently installed left magneto was also causal.NTSB ANC07LA085Accident · No injuriesLimited investigationFinal reportCessna 207 · Fairbanks, AKThe loss of engine power in cruise flight due to a lack of sufficient oil. A factor contributing to the accident was the pilot's improper in-flight decision to continue the flight after noting a loss of oil pressure.NTSB DFW07IA184Incident · Minor injuriesIncident investigationFinal reportBell 407 · Gulf of MexicoFatigue failure of the power turbine outer shaft for undetermined reasons.NTSB CHI07CA276Accident · No injuriesData collectionFinal reportGolden Eagle Chief · Hindsboro, ILThe loss of engine power due to the number seven cylinder's separation during cruise and the crops encountered during the forced landing leading to the airplane nosing over.NTSB CHI07CA262Accident · No injuriesData collectionFinal reportBeech BE-77 · Bloomington, INThe loss of engine power due to fuel exhaustion as a result of the pilot's inadequate preflight.NTSB NYC07LA183Accident · No injuriesLimited investigationFinal reportPiper Aerostar 601P · Fort Lauderdale, FLThe total loss of power in one engine during approach, due to a fatigue fracture of the crankshaft.NTSB LAX07LA236Accident · Minor injuriesLimited investigationFinal reportCessna R172K · Goleta, CAThe oil starvation and failure of the number one piston connecting rod and bearing that was due to the fragmentation of the number 2 main bearing, which then obstructed the engine oil pickup tube and restricted the flow of oil through the engine.NTSB DEN07LA133Accident · Serious injuriesLimited investigationFinal reportWalker Lancair IV · Sylvan Grove, KSA catastrophic engine failure due to oil starvation when an oil line to the turbocharger wastegate actuator came loose. Contributing factors in this accident were the unsuitable terrain on which to make a forced landing.NTSB MIA07LA130Accident · Serious injuriesLimited investigationFinal reportPowrachute Pegasus 912M · Suffolk, VAThe improper installation of the engine oil filter. A factor contributing to the accident was unsuitable terrain for a forced landing.NTSB LAX07LA234Accident · No injuriesLimited investigationFinal reportPiper PA-24-260 · Ramona, CAA total loss of engine power due to a short circuit between both magneto ground leads. A factor in the accident was the inadequate annual/100-hour maintenance inspection regarding the wires.NTSB LAX07LA238Accident · No injuriesLimited investigationFinal reportde Havilland Beaver DHC-2 MK.1 · Kalispell, MTA loss of engine power due to the failure of the supercharger impeller bushing, which allowed raw oil to enter the induction system.NTSB CHI07LA219Accident · No injuriesLimited investigationFinal reportNorth American T-6G · Fond Du Lac, WIThe loss of engine power due to the failure of the engine's master connecting rod which resulted in the forced landing. The road sign was a factor.NTSB DEN07LA122Accident · Serious injuriesLimited investigationFinal reportBeech C-45H · Longmont, COThe instructor pilot's improper preflight in that he failed to close the rocker box recovery system drain valves, resulting in a total loss of lubricating oil and subsequent oil starvation to both engines. A contributing factor was the trees.NTSB SEA07FA195Accident · 1 fatalField investigationFinal reportYakovlev YAK-55M · Everett, WAThe pilot's inadequate preflight planning and inspection that led to oil exhaustion and a catastrophic engine failure. Also causal was the pilot's attempted operation of an aircraft with known deficiencies, and the lack of a current airworthiness inspection.…NTSB LAX07LA218Accident · Minor injuriesLimited investigationFinal reportClement Zenith Zodiac CH601 · Rosamond, CAA total loss of engine power during approach due to the improper idle screw/stop adjustment. A factor contributing to the accident was deteriorated fuel.NTSB SEA07LA204Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502A · Chowchilla, CAThe loss of engine power as the result of the fatigue fracture and separation of two compressor turbine blades, which induced a catastrophic failure of the compressor turbine section.NTSB LAX07LA197Accident · Minor injuriesLimited investigationFinal reportEvenson Roger J Vans RV-9A · Tucson, AZthe loss of engine power during takeoff-initial climb, which resulted from the owner/builder's improper adjustment of the supercharger waste gate valve, that resulted in the failure of the waste gate servo motor.NTSB NYC07LA146Accident · No injuriesLimited investigationFinal reportBell-Carson 47G-Super C-4 · Wall Township, NJA total failure of the number one connecting rod during approach.NTSB SEA07LA172Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Oceanside, CAThe improper installation of the propeller governor (gasket) by maintenance personnel, which resulted in a oil exhaustion induced total loss of engine power. Contributing to the accident was the lack of suitable terrain for the forced landing.NTSB SEA07LA160Accident · No injuriesLimited investigationFinal reportCessna 182D · Phoenix, AZThe loss of engine power due to the intake manifold disconnection to the engine's cylinders on the left side.NTSB SEA07CA144Accident · No injuriesData collectionFinal reportBillings/Humbyrd Thorpe T-18 · Corona, CAA loss of engine power during the initial climb due to a fuel system malfunction. The pilot's incorrect maintenance modification to the fuel system and continued operation with known deficiencies were factors.NTSB LAX07CA181Accident · No injuriesData collectionFinal reportDutton Air Camper · Atwater, CAa loss of power due to the failure of the number 2 connecting rod.NTSB CHI07LA154Accident · Serious injuriesLimited investigationFinal reportCessna 421 · Chesterfield, MOMaintenance personnel failed to comply with an Airworthiness Directive which resulted in the total failure of the starter adapter gear teeth and the crankshaft gear teeth and the pilot failed to follow the published emergency procedures. Contributing to the…NTSB ATL07CA084Accident · No injuriesData collectionFinal reportRotorway Rotorway Intl 162F · Argyle, NYThe loss of engine power due to the sticking of the exhaust valves that resulted from carbon buildup.NTSB NYC07FA119Accident · 3 fatalField investigationFinal reportBeech BE-A55 · Dunkirk, NYThe pilot's failure to maintain aircraft control during a single-engine missed approach, after the failure of the airplane's left engine aft-top counterweight assembly. Contributing to the accident were instrument meteorological conditions due to clouds.NTSB LAX07CA146Accident · Minor injuriesData collectionFinal reportCessna 177RG · Perris, CAa loss of engine power while in cruise flight due to an improperly installed magneto housing by the owner/pilot.NTSB CHI07LA127Accident · No injuriesLimited investigationFinal reportBeech S35 · Brookfield, MOImproper maintenance by maintenance personnel by not properly torquing cylinder thru-bolts. The loose stud nuts which resulted in the separation of the cylinder and the crop and ditch were factors.NTSB DFW07CA098Accident · No injuriesData collectionFinal reportFlagg Kitfox IV · Centerville, TXThe loss of engine power due to the failure of the air induction ducting. A contributing factor was the lack of suitable terrain for the forced landing.NTSB MIA07LA089Accident · Serious injuriesLimited investigationFinal reportHiller UH-12C · Plant City, FLThe loss of engine power due to a magneto impulse coupling failure for undetermined reasons.NTSB MIA07LA085Accident · Minor injuriesLimited investigationFinal reportSmith Carter A Wheeler Exp 2000 · Stuart, FLContamination of the fuel system which resulted in a loss of engine power. Contributing to the accident was unsuitable terrain for a forced landing.NTSB SEA07LA108Accident · Minor injuriesLimited investigationFinal reportHughes 369D · Kahuku, HIFatigue cracking of the oil line from the engine gearbox to the oil pressure gauge, which resulted in loss of engine lubricating oil, leading to seizure of the power turbine.NTSB CHI07LA121Accident · Minor injuriesLimited investigationFinal reportMooney M20C · Sidney, OHThe total loss of engine power during initial climb due to oil starvation as a result of improper maintenance. The fixed base operator's failure to advise the pilot that the engine had been operated without oil in the engine and soft terrain were factors.NTSB SEA07LA095Accident · No injuriesLimited investigationFinal reportDiemert/Rotorway Exec 162 F · Roseburg, ORa total loss of engine power due to the failure of the primary and secondary electronic control units (ECU's) within the engine's Fully Automated Digital Electronic Control.