NTSB investigations
2,878 cases where the first occurrence was “Loss of engine power(total) - mech failure/malf”.
Cases, newest first
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 ATL03LA106Accident · No injuriesLimited investigationFinal reportPolstra Zodiac CH 601 HDS · Thomson, GAThe total loss of engine power due to the fatigue fracture of the No. 3 cylinder intake valve, which resulted in a forced landing to rough terrain and subsequent collision with small trees and a tree stump.NTSB LAX03FA200Accident · 4 fatalField investigationFinal reportMcDonnell Douglas 369D · Volcano, HIa loss of engine power due to the fatigue fracture and separation of the compressor coupling adapter. The fatigue fracture was initiated by fretting on the pilot diameter due to both the inadequate design of the coupling and the coaxial misalignment of the…NTSB MIA03LA123Accident · Minor injuriesLimited investigationFinal reportZenith 601HDS · Immokalee, FLExcessive rotor distributor shaft clearance that resulted in damage to the distributor rotor, a loss of ignition, the engine ceasing to operate. This resulted in a forced landing to unsuitable terrain and the airplane nosing over.NTSB LAX03LA183Accident · Minor injuriesLimited investigationFinal reportBell 206B · Malone, TXa fuel starvation induced loss of engine power due to fuel contamination.NTSB ATL03LA100Accident · No injuriesLimited investigationFinal reportCessna 172N · Orangeburg, SCThe pilot's continued operation of the airplane with known deficiencies in the equipment. Also causal was the other maintenance personnel's improper installation of the mixture control linkage bolt that resulted in binding of the mixture control linkage and…NTSB LAX03LA164Accident · No injuriesLimited investigationFinal reportCessna T207A · Page, AZa loss of engine power due to a oil starvation induced catastrophic internal failure of the engine caused by the rotation of the number 2 cylinder main bearing. This narrative was modified on February 16, 2005.NTSB SEA03LA086Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Basin City, WAThe failure of the torque sensor idler gear duplex bearing during agricultural aerial application, resulting in a total power loss and a forced landing. Factors include tall wheat and soft terrain.NTSB SEA03LA082Accident · Minor injuriesLimited investigationFinal reportCessna 182J · Salem, ORLoss of power in cruise flight due to a catastrophic engine failure for undetermined reasons.NTSB ATL03LA085Accident · No injuriesLimited investigationFinal reportPiper PA-28-151 · Rogersville, TNThe rupture of the carburetor float, which resulted in the loss of engine power and subsequent on ground collision with trees.NTSB LAX03LA128Accident · No injuriesLimited investigationFinal reportCessna 172N · Anaheim, CAFailure of company maintenance personnel to correctly install and safety wire the oil drain plug, which led to a loss of engine oil and a catastrophic internal failure of the engine.NTSB MIA03LA090Accident · No injuriesLimited investigationFinal reportPiper PA-28R-180 · Sarasota, FLA loss of engine power due to the crankshaft bolt losing torque, the gear disengaging, and the engine ceasing to operate as a result of inadequate maintenance installation.NTSB FTW03FA120Accident · 3 fatalField investigationFinal reportPiper PA-32-300 · Broken Arrow, OKFailure of the engine due to the blow-by condition in the number six cylinder for undetermined reasons, which resulted in oil starvation and eventual failure of the associated connecting rod end cap. Also causal was the pilot's failure to maintain airspeed…NTSB CHI03LA095Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-401 · Knox, INA loss of engine power due to oil starvation as a result of the failure of the master rod bearing. Contributing factors were the tree line at the edge of the field, and the unsuitable terrain.NTSB CHI03LA090Accident · No injuriesLimited investigationFinal reportPiper PA-28-151 · South Haven, MIThe inadequate fuel consumption calculations by the pilot and the fuel exhaustion. The inadequate traffic pattern distance from the runway, which precluded his reaching the runway.NTSB MIA03LA080Accident · Serious injuriesLimited investigationFinal reportDitommasso-Keminski Great Lakes 2T-1A · Daytona Beach, FLThe pilot's improper preflight planning/decision to perform a second flight with known deficiencies in equipment, and his failure to maintain airspeed above the airplane's stall speed while maneuvering to reverse direction to land, after the engine…NTSB ATL03LA054Accident · No injuriesLimited investigationFinal reportPiper PA-28R · Enterprise, ALThe loss of engine power due to oil starvation resulting from a crack in the propeller governor external oil line. A factor was the soft terrain.NTSB DEN03LA050Accident · No injuriesLimited investigationFinal reportPiper PA-28R-200 · Delta, COthe loss of engine power due to company maintenance personnel's inadequate major engine overhaul (an oil pressure fitting in the engine accessory drive case had not been capped). Contributing factors were the loss of engine oil, and lack of suitable terrain…NTSB LAX03FA108Accident · Minor injuriesField investigationFinal reportStinson 108-1 · Eloy, AZa loss of engine power caused by the fatigue failure of the number 4 cylinder exhaust valve.NTSB NYC03LA048Accident · No injuriesLimited investigationFinal reportCessna 172SP · Flemington, NJThe manufacturer's improper assembly of the accessory drive section of the engine.NTSB FTW03FA097Accident · 2 fatalField investigationFinal reportBell 407 · Mi 700The catastrophic failure of the engine resulting from 1st stage turbine wheel blade failure due to type 1 hot corrosion (sulfidation). Contributing factors were the pilot's failure to brief the passengers on emergency safety equipment (life raft), the pilot's…NTSB SEA03FA038Accident · No injuriesField investigationFinal reportBeech A23 · Fort Klamath, ORThe separation of the rod end cap from the connecting rod for an undetermined reason during the descent for landing. The ditch was a factor.NTSB FTW03LA092Accident · Minor injuriesLimited investigationFinal reportMooney M20J · New Orleans, LAThe loss of engine power as a result of the separation of the magneto assembly due to inadequate maintenance by unknown personnel. A contributing factor was the lack of suitable terrain for the forced landing.NTSB MIA03LA048Accident · No injuriesLimited investigationFinal reportCessna 172F · Jacksonville, FLa total loss of engine power due to the failure the oil filter because of over-pressurization, resulting in damage to the airplane during the subsequent forced landing.NTSB NYC03LA044Accident · Serious injuriesLimited investigationFinal reportLuscombe 8F · Newport, METhe fatigue failure of a the cylinder wall.NTSB NYC03FA043Accident · 2 fatalField investigationFinal reportBeech V35B · Delaware City, DEThe mechanic's improper engine overhaul. A factor was the night condition.NTSB CHI03LA059Accident · No injuriesLimited investigationFinal reportCessna 210 · Clarence, IAA failure of the crankshaft for undetermined reasons. Factors associated with the accident were the rough terrain on which the forced landing was made and the night conditions.NTSB CHI03LA052Accident · 1 fatalLimited investigationFinal reportHavir Avid Flyer · Cambridge, NEThe inadvertent stall by the pilot following a total loss of engine power and the seizure of the engine. A factor to the accident was the engine overhaul not performed in accordance with the manufacturer's recommendations.NTSB LAX03LA056Accident · No injuriesLimited investigationFinal reportNicholson Lancair 320 · Corona, CAThe pilot/builder's improper maintenance procedure for reattaching a high-pressure oil line, which resulted in the oil line disconnecting during flight, followed by a loss of oil and engine seizure.NTSB DEN03FA025Accident · 2 fatalField investigationFinal reportCessna 421 · Akron, COThe fractured connecting rods and the pilot not maintaining aircraft control following the engine failure. Factors contributing to the accident were the low altitude, the pilot not maintaining minimum controllable airspeed following the engine failure, the…NTSB SEA03LA021Accident · No injuriesLimited investigationFinal reportHughes 369D · Boise, IDThe failure of the operator's maintenance personnel to properly rig the left/right seat twistgrip throttles to the engine fuel control, the pilot in command's failure to adhere to the rotorcraft flight manual, and the check pilot's premature flare during the…NTSB ATL03FA025Accident · 4 fatalField investigationFinal reportPiper PA-32-300 · Macon, GAThe loss of engine power due to oil starvation.NTSB LAX03LA052Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Los Banos, CAThe improper engine overhaul by other maintenance personnel, which resulted in an exhaust valve failure and a total loss of engine power while in maneuvering flight.NTSB MIA03LA028Accident · No injuriesLimited investigationFinal reportBeech A36 · Laurens, SCImproper maintenance and inspection of the airplane by other maintenance personnel, and their failure to install the fuel line support after maintenance had been completed, which resulted in the introduction of vibrational loads and the in-flight separation…NTSB LAX03TA043Accident · No injuriesFinal reportBell 47G-3B-1 · Panaca, NVseparation of the no. 6 cylinder intake valve head from the valve stem, which resulted in a loss of engine power. The mechanism responsible for the valve failure is unknown.NTSB FTW03FA044Accident · 1 fatalField investigationFinal reportCessna 210L · Kentwood, LAThe failure of the #1 and #2 connecting rods during climb to cruise due to overheating, resulting from oil starvation. A contributing factor was the low cloud conditions limiting the pilot's visibility during the ensuing emergency landing.NTSB IAD03LA008Accident · Serious injuriesLimited investigationFinal reportPiper PA-30 · Middlesboro, KYThe pilot's operation of the airplane with a known deficiency. Factors related to the accident were the loss of engine power of the left engine due to a failure of the left engine-driven and electric fuel pumps, and inadequate maintenance.NTSB NYC03FA008Accident · Minor injuriesField investigationFinal reportPilatus PC-12/45 · Trenton, NJA power loss, due to failure of the No. 1 bearing, which was a result of previous electrical discharge damage (EDD). Factors were the low ceiling and a wet runway.NTSB IAD03LA006Accident · Serious injuriesLimited investigationFinal reportCessna 177RG · South Vienna, OHThe improper installation of the single drive, dual magneto, which resulted in its separation from the engine and a subsequent total loss of engine power. Factors included the crops in the forced landing field, and the night lighting conditions.NTSB LAX03FA005Accident · 1 fatalField investigationFinal reportGrumman AA-5A · Phoenix, AZfailure of the lubricating system resulting in a total loss of engine power and an off airport forced landing.NTSB ATL02FA175Accident · 1 fatalField investigationFinal reportPiper PA-28-140 · Milton, FLA sheared mixture cable which resulted in a loss of engine power.NTSB LAX02LA292Accident · No injuriesLimited investigationFinal reportCessna 172RG · Del Mar, CAThe loss of engine power due to failure of the number three connecting rod cap. Also causal was the failure of the pilot of a previous flight to report an engine overspeed event precluding the performance of the appropriate maintenance inspection.NTSB LAX02LA279Accident · Serious injuriesLimited investigationFinal reportLockamy Sonex · Oxnard, CAthe loosening of the tapered spacer, which resulted in the propeller hub separating from the crankshaft. A factor in the accident was the unsuitable terrain for landing.NTSB IAD02FA091Accident · 2 fatalField investigationFinal reportPiper PA 32R-301T · Byram Township, NJthe improper manufacturing of the crankshaft gear bolt, which resulted in the failure of the bolt due to hydrogen embrittlement, and the subsequent loss of engine power. Also causal was the engine manufacturer's failure to remove the affected bolts from fixed…NTSB LAX02LA275Accident · No injuriesLimited investigationFinal reportHuene Velocity XL-RG · Fresno, CAAn in-flight exhaust stack separation during descent for landing resulting in loss of engine power and a forced landing to an open field.NTSB LAX02LA256Accident · Minor injuriesLimited investigationFinal reportDodd RV-4 · Tehachapi, CAthe owner/builder's improperly fabricated and installed fuel line, which cracked at the point of the flare, resulting in a fuel leak and loss of engine power during the takeoff climb. A contributing factor was the soft terrain that jammed the landing gear…NTSB SEA02LA161Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502B · Rigby, IDThe failure of one or more compressor turbine blades resulting in a shutdown of the engine during initial climb resulting in a forced landing. Contributing factors were the eroded condition of the compressor turbine guide vane nozzles and the ditch which the…NTSB CHI02LA254Accident · No injuriesLimited investigationFinal reportGrumman C-1A · Roseville, ILThe failure and the resulting separation of the engine cylinder, which severed both electrical propeller control systems on the affected engine. A factor to the accident was the cornfield.NTSB ATL02LA159Accident · Serious injuriesLimited investigationFinal reportSchweizer 300C · Haleyville, ALThe failure of maintenance personnel to perform an adequate inspection of loose intake components, which resulted in a total loss of engine power and subsequent emergency descent, forced landing, and collision with terrain in dark night conditions.NTSB CHI02LA246Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Roodhouse, ILThe loss of engine power due to the separation of a valve lifter.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.