NTSB investigations
1,408 cases where the first occurrence was “Loss of engine power(partial) - 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\" = 352) 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" = 352) 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 CHI84FA022Accident · Minor injuriesField investigationFinal reportPiper PA-28-181 · Dodgeville, WIMomentarily after lifting off, the plt heard a pronounced decrease in eng noise & noted that the tachometer indication had dropped to 1950 RPM. He elected to abort, but was unable to stop on the remaining rwy. After departing the rwy, the acft hit an object &…NTSB NYC84FHM02Accident · Minor injuriesFinal reportBeech A24R · Spring Valley, NYThe acft went off the end of the rwy during an aborted takeoff after the engine backfired and ran rough. The plt closed the throttle as he discontinued the takeoff. Before the acft could be stopped it went off the rwys end and down an embankment. Post…NTSB MKC84FA005Accident · 2 fatalField investigationFinal reportBellanca 8KCAB · Sullivan, MOThe acft collided with trees during an attempted go-around from a precautionary/forced landing. There were no radio calls from the pilot but evidence discovered in the engine tear down revealed internal problems. The magneto had broken and the oil pan…NTSB DEN84FA004Accident · No injuriesField investigationFinal reportCessna 421C · Center, COThe acft collided with a dirt bank after a left engine overspeed and loss of directional control during takeoff. The plthad already aborted one takeoff due to overboost and a sticking wastegate. The problem seemed corrected after work and lubrication by a…NTSB LAX84IA461Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas DC-9-82 · Santa Ana, CAJust after takeoff the left engine failed due to a fatigue failure of the 7 th stage rear compression stator assembly several homes under the fligh path sustained fire & debris damage when engine parts departed the acft. The acft returnedto the airport and…NTSB LAX83FVD07Accident · No injuriesFinal reportPilatus PC-6/C-H2 · Lodi, CAAccording to the pilot as he made an approach to land he advanced the power lever to gain more thrust but he felt that the propeller went into beta range due to play in the propeller control linkage. At aprx 50 feet AGL and 200 feet from the end of the…NTSB ATL83FAG12Accident · No injuriesFinal reportBeech E18S · Jonesboro, GAThe acft ran off the departure end of the rwy and nosed over during takeoff after an engine lost power. The acft had notbeen flown in several weeks and there had been days of rain and humidity. The magnetoes on the right engine were rough but seemed to clear…NTSB FTW83LA085Accident · No injuriesLimited investigationFinal reportHiller H-23D · Humble, TXThe helicopter made a hard autorotative landing after a power loss. The pilot stated he was hovering about 75 ft AGL waiting for ground personnel to attach a line to his external sling load when the engine decelerated to flt idle and he could not regain…NTSB CHI83LA424Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Wheeling, ILThe acft went off the rwy and collapsed the landing gear after power loss during takeoff. Three of the passengers furnished statements and 2 seemed to think that the left engine quit. The acft turned to the right but the pilot did notknow which engine quit.…NTSB MIA83FA226Accident · Serious injuriesField investigationFinal reportCessna C-114A · Ft. Lauderdale, FLThe acft crashed while maneuvering at low airspeed and altitude right after takeoff. The plt said the left engine started losing power intermittently at 90 KTS. The plt had rotated the acft and tried to continue the takeoff. He was cleared to land on any rwy…NTSB MIA83LA222Accident · No injuriesLimited investigationFinal reportBucker Flugzeugbau Casa 1-131E · Pensacola, FLShortly after tkof the eng lost pwr and the pilot was forced to execute an emerg lndg. The main landing gear collapsed during touchdown on a highway. During the subsequent engine teardown the magneto timing was found to be retarded 24 degrees on the left…NTSB MKC83LA211Accident · No injuriesLimited investigationFinal reportMooney M20C · Bloomfield, IAWhile en route, the plt encountered a progressive, partial power loss. At 1st the eng began running rough, then the manifold pressure dropped to 15 inches (18 inches had been set for cruise). He heard a clicking noise & started a descent from his cruise alt…NTSB LAX83FA422Accident · No injuriesField investigationFinal reportPiper PA-28R-200 · Calexico, CAThe plt reported that during takeoff, the eng began to miss at aprx 300 ft AGL & he felt a definite loss of power. He tried to raise the gear, but the airspeed was below the automatic gear extenstion speed, so the gear did not retract. He repositioned the…NTSB CHI83LA406Accident · Serious injuriesLimited investigationFinal reportEdwards Mitchell P-38 · Sheridan, MIThe acft nosed down in a crop of corn during a forced landing after the engine lost power at 200 ft AGL during takeoff climb. During the turn back to the airstrip the left wing stalled. The pilot said he recovered about 10 ft AGL but the corn stalks slowed…NTSB FTW83LA405Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · East Bernard, TXDuring takeoff, the eng had a partial loss of power after the acft lifted off. The plt reported that he dumped his load of defoliant, but the acft would not climb. Subsequently, it settled & collided with brush & trees. The plt attributed the power loss to a…NTSB ATL83LA348Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Clinton, KYThe plt reported that he was spraying a field that was bordered by obstacles. When he was about half way thru a procedure turn, the eng began 'backfiring & losing power.' The plt moved the throttle to about the 1/2 power setting, hoping the condition would be…NTSB CHI83LU011Accident · Serious injuriesFinal reportPioneer Flightstar · Robinson, ILThe plt reported that after taking off, he stayed low over farm fields. He reported that he traveled about 1 1/4 mi from the arpt & decided to return & land. However, during a left turn, the ultralight vehicle crashed. The plt was seriously injured & did not…NTSB NYC83FA207Accident · 1 fatalField investigationFinal reportCessna 310Q · Scranton, PAShortly after takeoff the acft ws observed on radar making a left 360 deg turn. The plt did not respond to a call from the controller. A witness heard the plane 'sputtering' & observed it in erratic maneuvers prior to it hitting a house. Post exam revealed…NTSB FTW83LA370Accident · No injuriesLimited investigationFinal reportCessna 182Q · Portland, TXThe plt stated that shortly after takeoff, he heard a 'loud bang' which was followed by a rattling sound & a loss of eng power. He had taken off over water & elected to make a 180 deg turn to land downwind on the arpt. The acft touched down at about the…NTSB MIA83LA200Accident · No injuriesLimited investigationFinal reportAerostar 600 · Pahokee, FLThe acft departed ft. pierce, FL on a VFR flight to key west, FL, and ditched in lake okeechobee. While climbing THROUGH5000 ft the left engine lost power and started surging, the oil temperature gauge failed and smoke came from under the instrument panel.…NTSB MIA83FA197Accident · Serious injuriesField investigationFinal reportPiper PA-28-150 · Brandon, FLThe acft collided with trees and the ground after the engine lost power during takeoff. The CFI noted the RPM dropping to 2000 with full throttle and at about 75 AGL and tried to arrest the descent with flaps but was unsuccessful. One takeoff had been aborted…NTSB DEN83LA187Accident · No injuriesLimited investigationFinal reportPiper PA-11 · Wagner, SDThe plt reported that the eng began loosing power as he approached his destination. He elected to make an emergency landing on a road to investigate the problem. He stated that he made a stalled landing that caused the tailwheel to unlock & allowed the acft…NTSB ATL83LA314Accident · No injuriesLimited investigationFinal reportPiper PA-28-180 · Normantown, WVThe plt noticed smoke in the cockpit, & soon thereafter observed the oil press gage reading zero. The plt was given radar vectors to the nearest arpt but he was unable to reach it. The acft collided with trees & a powerline during the forced landing.…NTSB ATL83FA312Accident · No injuriesField investigationFinal reportSikorsky S-58D · Gatlingurg, TNThe helicopter collided with terrain on a wooded mountainside after liftoff. The plt said a power loss occurred after itwas to late to abort. Takeoff was made from a lot that was 5200 ft MSL. The plt hover-checked at 2500 RPM and 39.5 inches of manifold…NTSB CHI83FA370Accident · Minor injuriesField investigationFinal reportZenair Cricket MC12 · Oshkosh, WIDuring a formation takeoff, the plt was flying in a left wingman position & the flt entered a relatively steep climb. The plt stated that the airspeed was slightly above the stall speed at about 100 to 150 ft AGL when the left eng lost power & the acft began…NTSB LAX83FUG20Accident · No injuriesFinal reportGrumman American AA-5A · Chino, CAThe pilot stated that on takeoff from a touch and go landing the acft lost power. The fuel boost pumps were on and the mixture was full rich. He switched fuel tanks but the engine did not regain power. The acft was landed in a hay field. A post accident run…NTSB CHI83FER01Accident · No injuriesFinal reportGoodyear FG1D · Crystal, MNThe plt reported that during the takeoff roll, there was a slight loss of manifold pressure. This was followed by a loud 'misfire', a futher loss of manifold pressure & a drop in the eng RPM. With an estimated 2000 ft of rwy remaining, he elect to abort &…NTSB FTW83LA358Accident · No injuriesLimited investigationFinal reportRockwell S2R · Eudora, ARWhile dispensing fertilizer, oil suddenly covered the windshield & the eng began running at reduced power. The plt made an emergency landing in a water covered rice field where the wheels hit a levee & the acft nosed over. An exam revealed that the #1 exhaust…NTSB ATL83LA297Accident · No injuriesLimited investigationFinal reportHughes 269B · Summerville, SCThe helicopter was being used in controlled burning of timberland. While being operated at an alt of aprx 20 ft over wind rows of organic material, there was a partial loss of eng power. The plt stated that he was unable to maintain a hover, so he landed on…NTSB ANC83FA131Accident · No injuriesField investigationFinal reportCessna U206 · Near Iliamna, AKThe eng lost power just after a water takeoff. The acft landed straight ahead in muskeg & tundra collapsing the floats. Eng teardown revealed a metallic 'nugget' in the left intake manifold between the #4 & #6 ports. Numerous marks were found on the inside of…NTSB SEA83LA156Accident · Minor injuriesLimited investigationFinal reportFinamore KR-2 · Hillsboro, ORThe acft lost power at about 100 ft AGL during takeoff. The pilot made a forced landing straight ahead into a grain field. The high vegetation caused enough drag on the landing gear to nose the acft over. Examination of the engine revealed that the high…NTSB CHI83AA326Accident · 6 fatalFinal reportAero Commander 685 · Cleveland, OHWhile turning from downwind to base leg, the acft was observed descending rapidly in a steep bank. Witnesses reported smoke was trailing from the acft. The acft crashed in an industrial area. An exam of the right eng revealed that the exhaust-to-turbo…NTSB LAX83FUA05Accident · No injuriesFinal reportCessna 150 · Long Beach, CAWhile turning downwind in a closed pattern the eng lost power. The acft crash landed in a risidential street & struck power lines & poles. A portion of the sponge material attached to the carburetor inlet screen had become detached & lodged in the throat of…NTSB SEA83LA146Accident · No injuriesLimited investigationFinal reportPiper PA-38-112 · Dixie, WAAbout an hour after departure the engine began to run rough. The pilot did a magneto check and noted a drop of 300 RPM. A precautionary landing was made into a field of tall wheat. During landing roll the left main landing gear struck a hole. Examination of…NTSB LAX83LUQ04Accident · No injuriesFinal reportHiller UH 12-E · Lancaster, CAAccording to the pilot, after spraying an onion field he was departing for the next job when he noted an increase in engine RPM and a decrease in rotor RPM. Unable to maintain altitude, he made an emergency landing aprx 200 feet AGL. Prior to landing, the…NTSB LAX83FUG16Accident · No injuriesFinal reportEiriavion PIK 20E · Hemet, CAThe acft made a hard landing off the runway surface after the engine lost power during a go-around. This was a motor glider and the pilot said he planned this missed approach go-around maneuver prior to his approach. At about 400 ft AGL he applied full…NTSB MIA83LA179Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Altha, FLThe plt stated that the eng began losing power during an aerial application mission. Subsequently, he landed in a muddy field & the acft nosed over. He stated that the indupartial loss of power.NTSB ATL83LA246Accident · No injuriesLimited investigationFinal reportHughes 269A · Gastonia, NCWhile en route at 500 ft AGL, the eng suddenly lost power & went to idle RPM. During an autorotation to the side of a highway, the acft was maneuvered over a power line, then under another line. After touchdown, the helicopter slid into some bushes & a small…NTSB FTW83LA297Accident · No injuriesLimited investigationFinal reportBell 206L-1 · Lafayette, LAThe helicopter made a hard precautionary landing after the plt noted the rotor RPM and N2 would bleed off when collective pitch was increased to 80 percent torque. The plt returned to the arpt and elected to autorotate instead of landing with power available.…NTSB LAX83FA295Accident · Serious injuriesField investigationFinal reportCessna 172G · Huntington Bch, CAThe plt-in-command (PIC) & student plt were on an aerial photography flt when the PIC noticed a loss of eng oil pressure. They saw meadowlark arpt & began an emergency apch. The PIC stated that she relinquished her PIC duties to the student because she…NTSB ATL83AA235Accident · 8 fatalFinal reportCessna 421A · Atmore, ALAbout 20 mins after takeoff the plt reported the right eng had lost power & the acft would not maintain alt. Vectors were provided for an emergency landing, but the acft crashed in a wooded area about 3 mi from the arpt. There was evidence that the gear &…NTSB CHI83LA255Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Crookston, MNThe acft collided with the ground after takeoff. The pilot said the acft lost power and felt sloppy at about 350 ft AGL.he added power but maximum obtainable was 2000 RPM as opposed to 2300. The pilot said he tried to drop the load but the load remained with…NTSB NYC83FHD01Accident · No injuriesFinal reportHiller UH-12D · Bricktown, NJThe plt reported an erratic RPM drop & a partial loss of power during a swath run. This occurred when the helicopter was aprx 10 ft above trees at aprx 40 KTS. The acft began losing airspeed & altitude. During an emergency landing, the tail rotor & main rotor…NTSB DEN83LA135Accident · Minor injuriesLimited investigationFinal reportCessna TU206G · Molina, COThe pilot had leveled off at 17500 ft MSL when the engine made a detonating sound and lost power. Manifold pressure went to about 12 inches. Fuel pressure was normal but the cylinder head temperature fell rapidly. At 9000 ft MSL the engine surged to about 16…NTSB FTW83FA252Accident · 1 fatalField investigationFinal reportPiper PA-60 · New Orleans, LAWitnesses reported that when the acft was stabilized on final apch, it pitched up slightly & yawed, then rolled left to an inverted attitude & crashed in a canal. Several witnesses stated that the left prop was windmilling. One stated the left prop had…NTSB ATL83IA201Incident · No injuriesIncident investigationFinal reportBoeing 727-200 · Charlotte, NCThe #3 eng sustained an uncontained failure of the #4 1/2 bearing of the turbine section, due to fatigue cracking of the roller bearing cage.NTSB CHI83LA219Accident · No injuriesLimited investigationFinal reportPiper PA25 · Tomah, WIThe acft lost power and made a forced landing immediately after takeoff on an aerial application mission. The landing gear collapsed during the landing. The pilot stated that the accident occurred on the 5th flt of the day after taking off on runway 27 and…NTSB NYC83FA110Accident · Serious injuriesField investigationFinal reportGrumman American AA5B · Bedminster, NJThe acft crashed into trees during a forced landing after a loss of power while enroute from white plains. The engine started to shake and the rpms decreased. The plt initiated emergency procedures but the engine continued to run roughly.a decision was made…NTSB NYC83FU003Accident · Serious injuriesFinal reportUltralight Flight Phantom · Jaffrey, NHSeveral days prior to the accident, the plt was advised by others that the eng on his newly assembled Ultralight did not'sound right.' After checking he noted that full power could not be obtained from the eng. However, enough power was available to fly a…NTSB MIA83LA119Accident · Minor injuriesLimited investigationFinal reportSpencer Quickie Q2 · Tallahassee, FLThe acft was on its first test flt since being built. After about 40 min of flt, the acft returned to land. On final the plt added power to check the sink rate but there was no response. The acft landed short of the rwy tearing the gear off. The plt…