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 DEN85LA052Accident · No injuriesLimited investigationFinal reportCessna 172 · Ft. Collins, COThe plt reported that upon arrival at fort Collins, and while at cruise altitude, the eng suddenly lost power. During the emergency descent maneuvering he lost sight of the airport and landed in a plowed field. Post crash examination of eng revealed the…NTSB LAX85FA078Accident · Serious injuriesField investigationFinal reportGrumman AA-5B · Corona, CADuring maint of the eng, & just before the annual inspection was signed off, someone partially loosened & then attempted to tighten the bolt securing the crankshaft gear to the crankshaft. The old lockplate was not replaced & was not properly secured about…NTSB SEA85LA032Accident · No injuriesLimited investigationFinal reportCessna 402B TS · Tonopah, NVWhile cruising at 1600 ft MSL on top of clouds, a loss of power in the left eng occurred. The plt attempted to restart the eng, but was unable. He feather the eng while diverting to tonopath, NV. The acft would not maintain alt using 1 eng. The last reported…NTSB FTW85LA075Accident · Serious injuriesLimited investigationFinal reportCessna 210G · Temple, TXDuring the flt in IMC, plt reported low oil pressure to ATC and declared an emergency. Aprx 4 mins later an engine failure was experienced. Plt stated he broke out of the overcast at aprx 250 ft AGL and the acft impacted a power line during the attempted…NTSB MIA85LA056Accident · No injuriesLimited investigationFinal reportSikorsky UH34J · Carrabelle, FLThe acft was conducting external load logging operations in a hover at aprx 175 ft AGL when the power loss occurred. According to the plt, the eng ran intermittently with black smoke coming out of the exhaust pipe before the eng failed totally. The…NTSB FTW85LA073Accident · No injuriesLimited investigationFinal reportBeech C23 · Tulsa, OKThe acft experienced a power failure while in cruise flight at 1100 ft AGL. He stated that after switching tanks, the 'engine started twice bit failed to continue'. Investigation revealed that the left fuel tank was empty and the right tank had an…NTSB LAX85IA052Incident · No injuriesIncident investigationFinal reportBeech C24R · Glendale, CAAfter a loss of eng power, the plt made a forced landing on a street. While landing, the tip of the vertical stabilizer snagged a guy wire which crossed the street. The aircraft owner stated that the electrical fuel pump needed a rotor & body kit. He…NTSB DEN85LA029Accident · Minor injuriesLimited investigationFinal reportCessna 182P · Snowville, UTThe acft nosed over during an off arpt forced landing after the engine failed in cruise flt. The engine was disassembledand examined on 12/3/84. The #3 and #4 piston rods were separated from their cranckshaft journals. Most of the rod bearings were worn. The…NTSB ATL85LA035Accident · No injuriesLimited investigationFinal reportPiper PA-28R-201T · Madison, WVFollowing a loss of eng power during a x-country flt, the plt landed on a bridge. During the ldg roll the wing struck a pole. Post crash examination of the engine disclosed that the camshaft gear teeth suffered fatigue failure.NTSB ANC85LA017Accident · Minor injuriesLimited investigationFinal reportCessna 310J · Tok, AKThe acft crashed during an emerg night landing after the loss of pwr on both engines. Investigation revealed the rt eng was secured because of decreasing oil pressure & a visible oil leak. There were seven airports within reach of the acft when this eng was…NTSB ATL85LA024Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Lincoln, TNThe acft was making a swath run spraying crops when the engine suddenly lost power with 200 yards of level field remaining for an emergency landing. After touchdown the plt turned the acft to avoid a collision with trees. During the turn the nose of the acft…NTSB CHI85LA027Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Tecunseh, MIWhile on an aerial application flight, the plt noted a change in engine sound and a slight power loss. During turn to return to the airstrip for precautionary lndg, complete power loss occurred. A forced landing was executed in soft terrain. On lndg roll, the…NTSB DEN85IA016Incident · No injuriesIncident investigationFinal reportBeech 99A · Fort Morgan, COCaptain shutdown rt engine in-flight due to a surging and vibration problem. The aircraft was in moderate icing conditions at the time of the engine shutdown. The captain was unable to maintain altitude and an emergency landing was made in a corn field. Post…NTSB FTW85FA019Accident · 1 fatalField investigationFinal reportCessna 421C · Addison, TXAprx 7 min after takeoff (at 1441), the plt declared an emergency & said the l eng had lost power. He feathered the eng,diverted back twd the arpt & dscndd to VFR conds below the clds. At 1448, the plt said he had the arpt in sight & turnedonto a left…NTSB LAX85FA019Accident · No injuriesField investigationFinal reportCessna 210 · San Pedro, CAThe acft was on a 3.5 mile final approach to torrence arpt when the pilot experienced an engine failure. The plt landed the acft the los angeles, west basin harbor. Examination of the engine and associated fuel lines after the accident revealed no evidence of…NTSB FTW85LA017Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Seminole, TXThe plt reported that while on a local flt the engine 'blew up' & he made an emergency landing. He stated that the windshield was covered with oil & he could not see to flare the acft & landed hard. Inspection revealed a failure of the #4 rod at the master…NTSB MKC85LA006Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Cotton Plant, ARDuring aerial application flight, the engine master connecting rod failed. Forced landing was performed in a Cotton field. Acft nosed over during landing roll due to terrain conditions. Engine had 176 hours since major ovhl.NTSB NYC85LA005Accident · No injuriesLimited investigationFinal reportBell 47G3-B1 · Moultonboro, NHAcft was climbing through a mountain saddle when the engine began to backfire and lose power. Plt entered autorotation & settled into trees on autorotative flare. Engine inspection revealed #3 cylinder intake valve springs broken.NTSB CHI85LA009Accident · Minor injuriesLimited investigationFinal reportMccoy KR-2 · Columbus, OHThe plt reported that during takeoff, the acft was climbing thru about 50 ft AGL when he felt a vibration & noted a loss of power. Subsequently, the acft touched down hard near the departure end of the rwy. The main gear collapsed, then the acft slid into a…NTSB FTW84LA414Accident · No injuriesLimited investigationFinal reportBell 206L-1 · West Delta 105While in cruise flt, total pwr loss was experienced. Plt setup autorotative water landing, deployed emergency floats. Right float was not fully inflated by water touchdown, acft rolled right to inverted position. Eng teardown revealed carbon buildup between…NTSB FTW84LA402Accident · Serious injuriesLimited investigationFinal reportCessna T210N · San Augustine, TXThe pilot made a forced landing in a field while on a IFR flight after his engine failed. The aircraft landed short of the selected touchdown point, impacted trees and experienced a hard landing. It then caught fire and burned. Subsequent engine examination…NTSB MKC84LA282Accident · Minor injuriesLimited investigationFinal reportCessna T210M · Breckenridge, MOOn a VFR x-country flt the acft experienced an eng failure and the plt executed a night emergency landing into a soy bean field. Investigation revealed that a counterweight pin came out of the crankshaft counterweight due to a failure of a lock ring resulting…NTSB ATL84LA284Accident · No injuriesLimited investigationFinal reportPiper PA-28R-201T · Henderson, KYThe acft was damaged in an off arpt forced landing after the engine lost oil pressure, overheated and quit running. The plt said she checked the oil quantity at 7 1/2 qts before takeoff for the local flt. The engine overheated after about one hour of flt…NTSB LAX84FA483Accident · Minor injuriesField investigationFinal reportBell 206B · Long Beach, CAThe acft experienced a power loss during flare for landing. The plt pulled collective to soften the touchdown from 30 ftagl but the landing was hard. Post accident examination of the engine showed a failure of the #1 turbine disc. Lab exam of the disc showed…NTSB DEN84LA292Accident · No injuriesLimited investigationFinal reportAerospatiale SA315B Lama · Mountain View, WYThe helicopter experienced a loss of power during an external load operation. The plt released the load and performed an autorotation. A hard landing resulted during which the tail boom was severed by the main rotor blades. Metallurgical examination of the…NTSB ANC84LA181Accident · No injuriesLimited investigationFinal reportCessna 152 II · Skwentna, AKFBO had been experiencing difficulties with spark plugs and magnetos in this acft. The plt had flown this acft before with recurrent rough running and diminished power symptoms. Eng began to run rough on this flt and plt landed on a sand bar (marked for acft…NTSB FTW84LA395Accident · Serious injuriesLimited investigationFinal reportCessna 172N · Mandeville, LAThe acft made an emerg landing on the south lanes of the lake pontchatrane causeway bridge after encountering a loss of eng power. Examination of the acft fuel tanks revealed both tanks empty. Activation of the fuel tank drain valves & the fuel strainer…NTSB DEN84FA290Accident · Serious injuriesField investigationFinal reportBell 206L-3 · Denver, COPlt had slowed the helicopter to 30 KIAS using 50 to 60% pwr at an alt of 700 ft AGL. Plt the heard 'two beeps' from the eng out warning horn, saw eng out annunciator lights illuminate & the 'turbine neddle dropping.' Plt 'bottomed'the collective, lowering…NTSB MKC84LA269Accident · Minor injuriesLimited investigationFinal reportRockwell S-2R · Weiner, ARThe plt was executing a turn around maneuver to continue spraying when the #2 cyl broke free from the eng & it completely shut down. The acft struck the levee of a bean field & flipped over, coming to rest in an inverted position. Post crash examination…NTSB DEN84IA281Incident · No injuriesIncident investigationFinal reportMooney M20F · Saratoga, WYWhile in level cruise flt at 10500 ft, the plt heard a high-pitched whine that lasted for about 5 seconds. The engine then seized and the plt made a forced landing in mountainous foothills. During the landing roll, the landing gearcollapsed. Examination of…NTSB MIA84LA249Accident · No injuriesLimited investigationFinal reportAlon A2 · Vero Beach, FLThe acft collided with mail boxes during a forced landing after the engine failed. The plt said he lost all engine powerwhile climbing through 1800 ft AGL. Post crash inspection of the engine revealed that the gasket on the fuel transfer pump bowl had failed.…NTSB CHI84IA373Incident · No injuriesIncident investigationFinal reportBoeing 737-291 · Madison, WIShortly after lift-off & while climbing thru about 150 ft AGL, there was a loud noise from the left eng when it failed. The aircrew secured the left eng, returned to the arpt & made a single eng landing without further incident. An investigation revealed that…NTSB ANC84LA147Accident · No injuriesLimited investigationFinal reportCessna 207A · Sleetmute, AKWhile cruising at 1100 ft AGL the eng failed without warning. Efforts to restart were unsuccessful. A forced landing was made into wooded terrain and the acft nosed over during the roll. Eng exam revealed that the crankshaft was broken through the crank cheek…NTSB CHI84LA359Accident · No injuriesLimited investigationFinal reportPiper PA-32-260 · Woodstock, ILThe acft collided with the terrain during a forced landing. The wx was VMC & no flt plan was filed. During the forced landing in a farm field the right main gear was sheared off and the nose gear bent. The left wing was also substantiallydamaged. The engine…NTSB MKC84LA260Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Dexter, MOThe engine on the ag-plane lost power during takeoff and the plt began dumping his load as he made a forced landing. Thelanding area available was a flooded rice levee. The acft was landed tailwheel first but when the main gear dug in, the acft nose over.…NTSB ANC84LA134Accident · No injuriesLimited investigationFinal reportAeronca 15AC · Murphy Dome, AKThe CFI said the engine quit in 'straight and level flight' & 'acted like fuel starvation.' The prop was windmilling. Restarts were attempted without success. A forced landing was made in a wooded area. The landing was cushioned by the acft floats and wings.…NTSB NYC84LA291Accident · Minor injuriesLimited investigationFinal reportCessna 210J · Pine Grove Mill, PADuring takeoff, the eng lost power as the acft was climbing thru about 400 ft AGL. The plane was damaged during a wheel-up landing. The plt reported that a braided fuel line had ruptured & allowed fuel to leak out of the right fuel tank while the acft was…NTSB ANC84LA142Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Chandalar, AKDuring flt at about 4500 ft MSL, the eng began a severe knocking, then a cylinder separated from the eng & oil completely covered the windshield. The plt tried to make an emergency landing beside the Chandalar river. However, the acft came to rest in the…NTSB SEA84FA201Accident · 3 fatalField investigationFinal reportCessna 182E · Prineville, ORThe acft hit a tree during a forced landing approach to a large open field after an engine failure. Post accident investigatiion revealed that a rod cap bolt had failed which started the internal destruction of the engine. This bolt was installed as a new…NTSB LAX84LA443Accident · No injuriesLimited investigationFinal reportCessna 150G · Palo Alto, CADuring flt, the eng began losing power, then stopped running. The plt found a dry lake bed that had been plowed & elected to land there. When he landed, the acft nosed over. An exam of the eng revealed that the #2 connecting rod had failed. Due to the severe…NTSB CHI84LA349Accident · No injuriesLimited investigationFinal reportBellanca 17-31ATC · Antigo, WIThe acft was forced to land after the engine failed. The plt heard an explosion and saw part of the cowling come off before the engine quit. His passenger said that oil covered the windshield. Post accident inspection showed a failed cylinder. The cylinder…NTSB FTW84FA347Accident · Serious injuriesField investigationFinal reportBakeman-Chapman Cassutt III M · Olin, TXPlt had purchased the acft earlier on day of accident. He had no previous time in the acft. He flew for 220 miles and made first landing. Acft serviced with fuel only. Takeoff was made and he flew for 60 miles. Eng began to vibrate and black smoke observed.…NTSB NYC84MA270Accident · 1 fatalMajor investigationFinal reportSikorsky S-76A · Fort Dix, NJThe aircrew of the helicopter contacted mcguire rapcon & obtained clearance to proceed thru the mcguire afb control zone at 1500 ft. a short time later, the crew declared an emergency. Witnesses on the ground heard a loud 'bang' & observed the helicopter…NTSB FTW84FA342Accident · Serious injuriesField investigationFinal reportPiper PA-32R-300 · Tulsa, OKOn climbout from a night takeoff, a complete power loss occurred. The plt attempted to return to the airport, but insufficient altitude was available. During an ensuing forced landing, the acft collided with trees before ground impact. An investigation…NTSB MKC84LA242Accident · No injuriesLimited investigationFinal reportAyres S2R · Rohwer, ARThe plt was unable to maintain alt after the engine failed. A forced landing was made in a field covered with 4 to 6 ft tall weeds. The acft traveled sideways during the landing. After the accident, the plt observed a broken rod which had penetrated the…NTSB MIA84LA220Accident · Minor injuriesLimited investigationFinal reportCessna T188C · Pelham, GAThe acft landed short of the rwy during a forced landing after the engine quit on final approach. The plt reported that he had experienced trouble keeping the engine running at low power settings.NTSB ANC84FA131Accident · No injuriesField investigationFinal reportPiper PA-22 · Delta Junction, AKThe acft was damaged in an off arpt landing after the engine lost power. The plt stated the acft was operating on automotive fuel without the required supplemental type certificate. The acft was operating without the required annual inspection and the tbo had…NTSB CHI84LA326Accident · No injuriesLimited investigationFinal reportBede Bede 4 · Evansvile, INThe acft experienced a total power loss & the plt made a forced landing on a hwy median. The landing gear collapsed & the acft slid to a stop. Post accident inspection revealed that a large portion of the foam air filter had broken off & became lodged in the…NTSB CHI84LA322Accident · No injuriesLimited investigationFinal reportPiper PA-22-150 · Findlay, OHDuring the initial takeoff climb at an alt of aprx 1400 ft MSL the engine quit. Attempts to regain power failed. The acft nosed over during a forced landing in a corn field. Post accident investigation of the engine revealed a broken carburetor heat linkage…NTSB MKC84FA235Accident · Serious injuriesField investigationFinal reportPiper PA32R300 · Des Moines, IAThe acft eng began to 'shudder badly' upon reaching a cruise alt of 3500 ft MSL shortly after takeoff. The plt made a 180 deg course reversal to return to the arpt but reported to ATC he was unable to see outside the acft because oil was smeared on the acft.…