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 FTW84LA226Accident · Minor injuriesLimited investigationFinal reportHiller UH-12E · Cedar Hill, TXDuring the initial night flight after an oil change & annual inspection, the helicopter experienced a total power plant failure. An autorotation was performed & the helicopter struck a building prior to coming to rest. Inspection of the wreckage revealed…NTSB MKC84LA135Accident · Minor injuriesLimited investigationFinal reportGulfstream American AA5A · Pleasant Hill, MOThe acft nosed over during a forced landing after the engine failed. Investigation revealed an exhaust valve had failed and imbedded itself in a spark plug hole. It was determined that this was a fatigue failure.NTSB ATL84LA167Accident · No injuriesLimited investigationFinal reportCessna 188B · Paxville, SCThe acft nosed over short of the rwy after the engine failed to respond to the plts attempt to add power to reach the rwy. It was found after the accident that the carb heat control door brackets were worn which allowed the butterfly valve door to separate…NTSB FTW84FA216Accident · No injuriesField investigationFinal reportSikorsky S-76A · High Isl Blk595During cruise flight at 500 ft over gulf waters, the left engine sustained a massive, uncontained, explosive failure. Sharpnel penetrated the right engine, which failed from damage. Sharpnel also penetrated the ac and DC junction boxes, causing complete…NTSB MIA84LA155Accident · No injuriesLimited investigationFinal reportAmerican AA-1A · Lake Harbor, FLThe plt adjusted the mixture twice during his descent from 2500 ft MSL. The second adjustment killed the engine and a forced landing was made in a sugar cane field. Post accident examination revealed that the engine mixture control cable was broken. A…NTSB FTW84LA213Accident · No injuriesLimited investigationFinal reportAerospatiale AS 315B · Hartshorn, OKThe helicopter sustained substantial damage during an autorotative landing following an explosion in the engine compartment. While in level flight at 1000 ft AGL, the plt heard a loud screech from the engine area followed by a loud bang. A wingman observed 10…NTSB MKC84LA129Accident · Minor injuriesLimited investigationFinal reportCessna 172M · 5n 0lin, IAWhile cruising at 3,000 ft MSL the eng ran rough. The flt noticed zero oil pressure. As he turned toward a bean field the eng failed. The acft collided with a ditch & nosed over. The eng was disassembled & an estimated 3-4 qts of oil were in the eng case. The…NTSB MKC84LA128Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Pocahontas, ARThe acft crashed after an engine failure during a swath run at an alt of 20 ft AGL. Examination of the engine revealed 3 dowel pins and 6 screws which hold the starter drive gear and the accessory drive gear had sheared. Metallurgical exam revealed that dowel…NTSB CHI84LA157Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Morrow, OHAbout 10 min. After takeoff on an aerial application flt the acft's eng lost pwr. The plt made a forced landing in a corn field & during rollout collided with a tree. According to the plt, the acft's eng blew its right rear cylinder because its hold down…NTSB MKC84LA123Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Monette, ARThe owner/plt reported that just after lift-off, he heard a loud squeal & the eng lost power. He dumped his load to clear trees then landed hard in a wheat field just beyond the trees. A dissassembly of the eng revealed that a supercharger bearing had failed…NTSB ATL84IA135Incident · No injuriesIncident investigationFinal reportPiper PA-28R-200 · Clayton, NCDuring flt, the plt & a passenger noted a loss of eng power accompanied by a metallic sound. Subsequently, a wheels-up forced landing was made in a plowed field. An eng teardown revealed that the crankshaft, p/n 54297-1, had failed from fatigue. A…NTSB DEN84LA112Accident · No injuriesLimited investigationFinal reportCessna 175 · Ogden, UTAfter takeoff, the eng began to smoke & lose power. During a forced landing in a muddy plowed field, the acft nosed over. A compression check was accomplished & the #5 cylinder was found to have zero compression. The cylinder was removed & found to be cracked…NTSB ATL84LKG06Accident · No injuriesFinal reportHomebuilt Dragon FLY 294 · Franklin, GAThe Homebuilt acft with 3 persons aboard lost its propeller after the crankshaft failed during cruise. A forced landing was executed on a state highway. The plt said he lost directional control at about 30 mph and contacted a ditch and two fence posts. The…NTSB MIA84FA099Accident · Serious injuriesField investigationFinal reportCessna 182J · Everglades City, FLThe plt stated that when the flt originated in Everglades City the left fuel tank was empty & the right fuel tank indicated 1/2 full. The flt to naples took 15 minutes. He initiated the return flt at 1047 & the eng quit at 1100. A forced landing was made in a…NTSB SEA84FA063Accident · 2 fatalField investigationFinal reportEnstrom 280C · Middleton, IDThe acft collided with the terrain during a test flt. Witnesses observed the acft rotate about 180 degrees about its vertical axis go nose low and descend vertically to the ground. A noise change described as a 'sputter' or tone change' was heard during this…NTSB ANC84FA038Accident · Minor injuriesField investigationFinal reportCessna 150L · Talkeetna, AKOn downwind for a touch and go, the student pilot noticed a strange engine noise. She elected to do another touch & go, & during a turn from crosswind to downwind, a total loss of power occurred. A forced landing was attempted onto a road. Children were…NTSB DEN84FTM01Accident · 1 fatalFinal reportKeith A Smith KR-2 · Salt Lake City, UTThe acft collided with a mountain ridge in a flat'pancake'attitude,no evidence of foward motion was apparent and all thewreckage was confined to the immediate area. The wooden prop was intact with the exception of 2 inches missing from the end of one blade,…NTSB CHI84LA116Accident · Minor injuriesLimited investigationFinal reportNavion A · Newport, MNThe acft engine failed when the plt applied carburator heat to try to 'cure' a rough running engine. Post accident investigation revealed a hole in the left muffler and shroud allowing burnt exhaust gases to enter the carburetor when carburetor heat was…NTSB ATL84FA105Accident · 1 fatalField investigationFinal reportGrumman G-164B · Dawson, GAA failed cylinder head assembly resulted in a total power loss very shortly after takeoff. Witnesses observed the aerial application acft at 30-50 ft AGL over the rwy before it pulled up steeply, rolled and entered a near vertical uncontrolled descent to…NTSB MIA84LA086Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301 · Ft. Myers, FLThe eng quit during takeoff & the gear collasped during the subsequent forced landing. Investigation revealed that the set screw on bendix D-2000 series magneto had backed out of the cam & caused the cam to stop activating the breaker points.NTSB LAX84IA195Incident · No injuriesIncident investigationFinal reportMcdonnell Douglas DC-9-82 · Santa Ana, CAShortly after takeoff a ttl pwr loss was experienced on the number 1 engine. Examination of the engine revealed substantial damage occurred in the compressor section from stage 6 rearward. 40 stage 8 compressor blades were forced completely out of their disk…NTSB ATL84FA100Accident · 1 fatalField investigationFinal reportBell 47GL · Cullman, ALThe plt had just completed an eng overhaul & was test flying the helicopter. While maneuvering at aprx 100 ft AGL, the eng lost power & the plt initiated an autorotation. During the landing, the helicopter impacted hard on rising terrain, rolled onto its side…NTSB ATL84IA104Incident · No injuriesIncident investigationFinal reportMcdonnell Douglas DC-9-31 · Forest Park, GACaptain heard a muffled explosion accompanied by a moderate left yaw and 'a deterioration of readings on #1 engine' shortly after takeoff. Acft returned for an uneventful landing. Examination revealed that the engine failure initiated in 'the T3 disk/blades…NTSB DEN84LA091Accident · Minor injuriesLimited investigationFinal reportPiper PA-24-260 · Crested Butte, COThe acft was damaged during a forced landing on snow covered terrain after the engine failed during climb. An investigaiton revealed that the acft had 50 weight oil in it and the temperature was about 15 degrees f. the engine had been, pre-heated from the top…NTSB LAX84FA170Accident · Serious injuriesField investigationFinal reportPiper PA-31T · Riviera, AZAcft lost pwr on the left eng during climb to cruise aprx 8 minutes after takeoff. Arpt mgr heard UNICOM transmission from N36CA, 'we lost an eng, we're coming back.' A warning horn (possibly gear warning or stall horn) was heard in the background of the…NTSB CHI84LA104Accident · Minor injuriesLimited investigationFinal reportBryan Dragon FLY · Vanolia, OHThe plt stated that after takeoff, while on downwind, the eng failed. He attempted to land back on the runway when the left wing struck the ground. The acft then struck a 55 gal concrete drum and a chain link fence. Examination of the acftrevealed that a…NTSB FTW84LA236Accident · No injuriesLimited investigationFinal reportBeech D17S · Stratford, TXThe pilot stated after the accident that the engine failure occurred as the acft climbed through 6500 feet. According to the plt the no. 1 cylinder separated from the radial eng. The acft nosed over during the landing on unimproved terrain.NTSB NYC84FHJ01Accident · No injuriesFinal reportGordon Teenie TWO · Hauppauge, NYThe acft engine failed internally and oil spraying on the windshield reduced the plts visibility during the forced landing. During the rollout on a road the acft collided with a stop sign. An exam revealed there was no compression in the left rear cylinder.…NTSB LAX84LA158Accident · Serious injuriesLimited investigationFinal reportBeech J35 · Coalinga, CAWhile cruising at 8,500 ft MSL,the plt noticed a loss of all oil pressure. He secured the eng, lowered the landing gear & wing flaps, & declared an emergency stating he would attempt an eng out landing at harris ranch arpt. While descendingthrough 1,000 ft…NTSB DEN84LA077Accident · Minor injuriesLimited investigationFinal reportCessna 172E · Erie, COThis acft had not had an annual inspection in more than 13 years and had not been flown in 8 years. During the accident flt the acft engine quit after 25 minutes of flt. After the forced landing a mechanic found the carburetor bowl dry and the fuel line vent…NTSB FTW84FA121Accident · 1 fatalField investigationFinal reportPiper PA-32RT-300 · New Orleans, LAThe eng quit as the acft was descending for an approach into moisant arpt & the acft was ditched in lake pontchartrain. Examination revealed that the magneto distributor block was severely cracked & both sets of breaker points were displaced away from the…NTSB NYC84FA072Accident · 1 fatalField investigationFinal reportCessna 152 · Barre, MAThe acft was landed off the arpt tailing fire and smoke shortly after takeoff. It was a cold day and the CFI and student had trouble starting the acft even after pre-heat was used. Witnesses saw the acft after takeoff descending withsmoke and flames trailing…NTSB SEA84LA040Accident · No injuriesLimited investigationFinal reportBeech A35 · Renton, WAThe acft was damaged during a forced landing after the engine quit after takeoff. The plt said he noticed the oil pressure drop to zero a few minutes after takeoff and was turning back to the arpt when the engine quit. He did not lower the landing gear since…NTSB MIA84IA064Incident · No injuriesIncident investigationFinal reportDouglas DC-9-51 · Tampa, FLWhile climbing after takeoff thru about 3000 ft, the crew noted that the #2 epr had dropped about .08, from aprx 1.82 to 1.74 epr. Shortly after that, the 1st officer noted that the avm on the #2 eng was at the max indication. At about 4000 ft, there was a…NTSB MIA84LA060Accident · Minor injuriesLimited investigationFinal reportGrumman AG-CAT · Homestead, FLThe acft crashed during a forced landing after the engine lost power. Investigation revealed that that # 8 cylinder failed. The original cracking was determined to be from fatigue.NTSB ANC84IA031Incident · No injuriesIncident investigationFinal reportCessna 207 · Kotzebue, AKThe plt stated that shortly after takeoff the eng started to run rough & then failed completely. Investigation revealed that the crankshaft had failed in fatique. Laboratory test showed a core hardness below the minimum specified.NTSB CHI84LA083Accident · No injuriesLimited investigationFinal reportCessna 150M · Pittsboro, INThe acft made a forced landing on a rough, snow covered field after the engine failed. Post accident investigation showed thet the exhaust valve on #1 cylinder punctured the cylinder.NTSB SEA84LA034Accident · Minor injuriesLimited investigationFinal reportHiller UH-12E · Mapleton, ORWhile approaching the spray area, the acft was in a level attitude at 20 to 25 mph & about 100 ft AGL when the plt heard a loud bang & noted a loss of power. He attempted an autorotative landing. During touchdown on hilly terrain, the acft rolled to the right…NTSB DEN84LA052Accident · No injuriesLimited investigationFinal reportLake LA-4-200 · Great Falls, MTThe acft was damaged in a forced landing on a highway after the engine seized. The plt said 'the engine made unusual sounds of an engine running bad.' Then it lost compression and seized. He made a forced landing on a highway and damagedthe hull. Examination…NTSB LAX84LA117Accident · Serious injuriesLimited investigationFinal reportBell 206B III · Mountain City, NVThe helicopter collided with the snow covered ground after the eng quit during a power-line patrol at about 30 ft AGL. The plt reported that the visibility was 1/2 mile with light snow falling. He also said he could see 4 to 7 of the supporting structures.…NTSB MIA84FA048Accident · Serious injuriesField investigationFinal reportPiper PA-32-300 · Vero Beach, FLShortly after takeoff from rwy 29L the eng began to lose power. A turn back to the arpt was made when the eng quit & the acft struck trees & bushes about 350 ft short of rwy 11L. Teardown of the eng & fuel injector system revealed that the injector for the #5…NTSB MKC84LA038Accident · No injuriesLimited investigationFinal reportPiper PA-32-260 · Sikeston, MOThe acft nose gear collapsed during a forced landing after engine failure. During a x-country flt the engine popped and quit. The plt approached a road to land but saw a vehicle during approach and veered off into a field. Post accident investigation revealed…NTSB MKC84FA034Accident · Serious injuriesField investigationFinal reportCessna 21ON · Wentzville, MOThe acft was landed with the landing gear partially extended during a forced landing after an engine failure. The plt delayed the extension of the gear because of the condition of the landing area. Examination of the engine showed a failure of the #2…NTSB ATL84FA061Accident · Serious injuriesField investigationFinal reportCessna 210A · Columbia, SCThe acft collided with a wall during a downwind forced landing. The engine had quit at 200 ft after takeoff. The plt turned right with the gear up. He landed on a football field and bounced down a track field into a fence and wall. When the engine was…NTSB ATL84FA050Accident · Minor injuriesField investigationFinal reportCessna 182Q · Baltimore, MDThe acft crashed shortly after takeoff when the engine lost power during initial climb. This acft had not been flown forabout one month. The pilot was aware of water accumulation in C-182 bladder equipped acft, so he drained the gascolator for an added length…NTSB CHI84LA050Accident · Minor injuriesLimited investigationFinal reportPiper PA-28R-200 · Zanesville, OHAfter departing Zanesville, OH, the acft was at 2500 ft MSL when the eng began to 'knock'. The cockpit filed with smoke & the eng began to lose oil. The plt turned back to land at the arpt. He reported that the eng continued to run until the acft was about…NTSB MKC84FA029Accident · Serious injuriesField investigationFinal reportAerospatiale AS350D · Sweet Springs, MOThe helicopter landed hard during a forced landing after a power loss during a ferry flt. The plt stated that at about 200 ft turning on a base leg for landing he heard a loud bang and the engine failed. A witness said he heard the engine die and saw the…NTSB FTW84LA070Accident · No injuriesLimited investigationFinal reportPiper PA28RT-201T · Cameron, TXThe acft collided with trees during a forced landing after engine failure. During post accident examination the clamp which secures the turbocharger inlet tube to the engine exhaust was found to be off the threads of the bolt and were not damaged and the nut…NTSB CHI84LA046Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-180 · Northfield, MNThe plt stated that while enroute at an alt of 3000 ft MSL the eng failed. He also stated that all attempts to restart the eng failed so he proceeded to make an emergency landing. Investigation revealed a manufacturing defect in the left magneto; the body…NTSB FTW84LA051Accident · Serious injuriesLimited investigationFinal reportBellanca 17-30 · Moore, OKThe acft crashed during a forced landing after the engine quit. The acft had a prior forced landing and the fuel pump was suspect. Post accident investigation showed that only one safety pin was installed in the fuel selector shaft allowing excessive free…