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 LAX82FUG14Accident · Serious injuriesFinal reportGrumman AA-5 · Bermuda Dunes, CAImmediately after takeoff the eng lost power & the acft was unable to maintain level flt. The acft landed in sand Dunes and flipped over. During a subsequent eng run it was noted that the eng ran normally at low power settings but at takeoff power settings it…NTSB LAX82FA255Accident · Minor injuriesField investigationFinal reportMitsubishi MU-2B · Schellville, CAAt approximately 800 ft down the left side of the rwy the left eng experienced a power loss. The acft swerved off the left side of the rwy colliding with a drainage ditch & coming to rest inverted. Examination of the fuel control unit revealed that the…NTSB MIA82DA153Accident · Minor injuriesFinal reportPiper PA-18 · Kenneth City, FLWhile cruising the aircraft oil pressure dropped and smoke entered the cockpit, so made a forced landing in a small field. The aircraft hit a stump and nosed over. An investigation revealed a broken oil line to a pressure gauge and oil leaked on a hot exhaust…NTSB NYC82DA147Accident · No injuriesFinal reportPiper PA-18-150 · Cape May, NJAfter departing on a banner towing mission, the pilot experienced a sudden power loss. He had insufficient power and altitude to return to the field and elected to ditch in a creek. An examination of the engine revealed that the no.2 exhaust valve, pn 75068,…NTSB FTW82DA265Accident · No injuriesFinal reportAero Commander 100 · Dekalb, TXThe pilot lost power during a local flight and attempted a landing on a highway. Control was lost and aircraft collided with a fence. The aircraft was landed downwind. Post accident check showed 125 mag drop on both mags and a maximum static of 2350.NTSB CHI82DA233Accident · No injuriesFinal reportCessna 150M · Santisgo, MNDuring aerial photo mission engine began to run rough. Pilot headed home but was forced to land enroute. Aircraft swerved and nosed over. Exam of engine showed exhaust valve stuck open.NTSB FTW82DA250Accident · No injuriesFinal reportBeech D18S · Belen, NMThe pilot stated that during flight, the left engine began leaking oil and the cockpit filled with smoke. He shut down the left engine, but stated that the propeller would not completely feather due to the loss of oil. While approaching to land at a nearby…NTSB DEN82DA118Accident · Minor injuriesFinal reportAerospatiale SA 315 B · 35 Se Moab, UTHelicopter lifting sling loads lost power in a hover. Pilot jettisoned load and made a forced landing in a ravine, engine had dirt buildup and erosion in the compressor inlet case which led to compressor stall.NTSB MIA82DA140Accident · Minor injuriesFinal reportPiper PA-38-112 · Deerfield Field, FLThe engine lost power during cruise flight. The pilot made a forced landing on a beach and collided with rocks and nosed over. The fuel bowl was found loose which lowered the fuel pressure.NTSB NYC82FHM07Accident · Serious injuriesFinal reportPiper PA-18-150 · Sandy Hook Beac, NJThe pilot reported that while he was towing a banner, the engine RPM began to decrease. He initiated emergency procedures, but could not restore the power. The plane was maneuvered for a forced landing on a beach. The plane crashed on the beach while the…NTSB ANC82IA048Incident · No injuriesIncident investigationFinal reportDe Havilland DHC-6-100 · Near Port Heide, AKWhile in cruise flight, the left engine surged twice and the pilot observed fire emitting from the exhaust and cowling. After securing the engine and discharging the fire bottle without effect, the pilot made a precautionary landing at Port heiden airport.…NTSB SEA82DA082Accident · No injuriesFinal reportHughes 269A · 2nm Nnm Redmond, WAThe engine lost power during the climb and the pilot executed an autorotation. Upon landing the aircraft rocked back and the main rotor severed the tail boom.NTSB MKC82FA095Accident · No injuriesField investigationFinal reportBeech 65-90 · Wichita, KSThe plt detected a loss of eng torque at about rotation airspeed about 1700 ft down the rwy & the takeoff was aborted. The acft slid into a ditch off the end of the rwy collapsing the main gear. A functional check of the right eng fuel pump, P/N4V146R002,…NTSB FTW82DA211Accident · No injuriesFinal reportBeech D18S · Beeville, TXThe pilot and three passengers departed on a pleasure flight. The pilot stated that after climbing several hundred feet and while at 110 mph, the right propeller went into high pitch following a propeller governor failure. This resulted in a loss of engine…NTSB ATL82DA148Accident · No injuriesFinal reportPiper PA-22-150 · Williamston, NCThe pilot stated that while cruising at 11,000 ft the engine started missing and losing power. After repeated attempts to restore power the pilot landed in a field. During roll out the nose wheel became lodged in soft sand and the aircraft turned over. Engine…NTSB LAX82FA196Accident · 8 fatalField investigationFinal reportCessna 320D · Chandler, AZShortly after the aircraft took off from stellar airpark, several witnesses saw it flying northbound with smoke trailing from the left engine. One witness, a student pilot, stated that the gear was down and the plane was lower than normal, about 500 ft AGL.…NTSB MKC82DA085Accident · No injuriesFinal reportGrumman G-164A · Tekamah, NEOn the third spray run the pilot stated that the aircraft engine had a loss of power. He attempted to fly back to the airport but was forced to make an emergency landing in an open field. During the landing roll the aircraft nosed over in the soft mud. Engine…NTSB NYC82DA100Accident · No injuriesFinal reportPiper PA-38 · Punxsutawney, PAWhile descending to confirm his position because of encountering rain on a cross country flight the student pilot discovered an engine RPM loss. After attempting to restore power several times an emergency landing was made into a plowed field during which the…NTSB LAX82DA181Accident · Minor injuriesFinal reportGrumman G-164 · 10 West Of Bigg, CADuring takeoff, the engine began to vibrate and lose power. While landing in the only available area, one of the main gear dug into a soft spot and the aircraft flipped over. An investigation revealed that the no. 4 cylinder had become cracked from the front…NTSB NYC82DA097Accident · No injuriesFinal reportBell 47G-2 · Brookville, NYWhile returning to the heliport, the pilot noticed a decay in the engine and rotor rpm's. he elected to make a precautionary landing in a plowed field. During landing, the manifold pressure went to the red line while the RPM decayed. The helicopter touched…NTSB FTW82DA178Accident · No injuriesFinal reportBell 206L-1 · Cameron, LAWhile enroute to refuel the pilot experienced a loss of power and elected to autorotate to the ground. The aircraft rocked forward then back on landing and the main rotor severed the tailboom. Investigation revealed both fuel flow switches were stuck in the…NTSB MKC82FCQ09Accident · 2 fatalFinal reportLuscombe 8A · Fredonia, KSThe aircraft crashed after taking off on a test flight. A witness reported that the aircraft was in a steep angle of climb, and the nose pitched down as the pilot was making a left turn. The witness reported that the pilot had been adjusting the magnetos…NTSB FTW82DA169Accident · No injuriesFinal reportGrumman G164A · Welsh, LADuring the initial takeoff with a load of fertilizer the engine lost power and the load was dumped. A forced landing wasmade in a plowed, wet field and the aircraft nosed over. Investigation revealed the cylinder head failed.NTSB ATL82DA126Accident · Serious injuriesFinal reportPiper PA-28R-180 · Front Royal, VADuring flight the aircraft engine developed a noise which the pilot described as a hissing. The pilot declared an emergency, was vectored to the nearest airport, and proceeded to shut off the engine at 5000 feet when over the airport. During the forced…NTSB LAX82DA151Accident · No injuriesFinal reportBeech V35B · Terminal Island, CAThe pilot and a mechanic were on a flight to test the aircraft after changing the magnetos, spark plugs, and ignition harness. During the flight, the engine began running rough, but smoothed out after the boost pump was switched on. A short time later, the…NTSB ATL82IA121Incident · No injuriesIncident investigationFinal reportPiper PA-31-350 · Enterprise, ALShortly after liftoff, the pilot felt the aircraft yaw left and noticed that the left engine manifold pressure had dropped from 42" hg to 29" hg. He analysed a turbocharger failure and elected to keep the engine running in the normallyaspirated mode. At…NTSB DEN82FTM11Accident · Serious injuriesFinal reportBell 47G-3B-1 · Vermal, UTThe pilot stated that he experienced a partial loss of engine power during landing at an elevation of about 5280 ft MSL. The temperature was about 50 degrees fahrenheit. He applied full throttle, but the RPM decayed and the plane crash landed. A partial…NTSB LAX82DUG11Accident · No injuriesFinal reportBellanca 300A · Lucerne, CAThe owner of the aircraft reported that there was a gradual loss of engine power. The plane was landed on a dirt road; however, there was insufficient room to stop before reaching the end of the road. The owner reported that he swerved to avoid a dead end…NTSB NYC82FHJ05Accident · Minor injuriesFinal reportCessna 150 · Bayport, NYDuring takeoff, the engine began to lose power at about 50 ft AGL and then began to vibrate. The pilot checked that the fuel selector switch was on. He turned and attempted to return to the airport; however, he was unable to maintain altitude. Subsequently,…NTSB FTW82DA141Accident · No injuriesFinal reportde Havilland DH-82A · Fort Worth, TXThe pilot stated that an examination of the throttle linkage friction system revealed that the throttle jammed in the idle power range. The pilot stated in the accident report that a modification to the friction bearings on the throttle cross shaft linkage be…NTSB DEN82FA061Accident · Serious injuriesField investigationFinal reportCessna 150 · Parker, COAt about 150 ft AGL & beyond the rwy departure end the eng lost power. The acft impacted an embankment during the attempt to return to the arpt. Eng exam revealed that the #1 cylinder piston compression ring was broken corresonding to grooves on the cylinder.…NTSB ATL82DA106Accident · Minor injuriesFinal reportBeech B19 · College Park, MDDuring the preflight the pilot noted the engine ran rough on the right magneto then smoothed out. The pilot departed the runway with the stall warning horn sounding and began a turn into the wind; however, due to buildings in his path he turned 360 degrees.…NTSB DEN82DA060Accident · No injuriesFinal reportCessna 170B · Worden, MTThe pilot reported that the carburetor heat control became inoperative while on a cross-country flight. The weather conditions were conducive to the formation of carburetor ice. A decision was made to land in an alfalfa field while the engine was still…NTSB FTW82DA130Accident · No injuriesFinal reportGoodyear FGID(F4U) · Forney, TXFollowing the last aerobatic manuever, a loop, and while in straight and level flight, the low oil pressure light illuminated. The oil pressure decreased to zero and shortly thereafter propeller control was lost. Due to a rough running engine an emergency…NTSB MIA82FKT09Accident · Minor injuriesFinal reportPiper PA-36 · Delray Beach, FLWhile climbing after takeoff, the pilot noted a partial loss of power. He thought he could smell smoke and turned the master and alternator switches off. The engine continued to lose power and the pilot dumped the load. He elected to land in a canal. As he…NTSB LAX82DA121Accident · No injuriesFinal reportCessna 150G · Tucson, AZDuring flight, the student pilot heard a loud noise from the engine and landed at a nearby airport. He reported that during the landing, a gust of wind was encountered, the left wing came up and the nose veered left. At that time, the right spindle attachment…NTSB FTW82DA106Accident · Minor injuriesFinal reportPiper PA-28-235 · Tulsa, OKThe aircraft experienced a partial power loss during takeoff at an altitude of about 150 AGL. The pilot turned left with the intention of landing on a perpendicular taxiway. During the turn the aircraft developed a high sink-rate and struck the taxiway in a…NTSB ATL82FA083Accident · Serious injuriesField investigationFinal reportBellanca 8KCAB · Carrollton, GAThe student completed a touch & go & was climbing out when the instructor took control. He told the student that he was going to show him what to do if the eng quit shortly after takeoff. At 150-180 ft above the rwy near the upwind numbers the instructor cut…NTSB FTW82DA101Accident · No injuriesFinal reportSnow AT-301 · Spearman, TXWhen the aircraft lost power after spraying crops the pilot executed a forced landing in a field. During the landing the aircraft nosed over. Investigation revealed that an induction hose had failed and blocked the carburetor. A service letter relating to…NTSB FTW82DA100Accident · No injuriesFinal reportCessna 310B · West Memphis, ARDuring a dual instruction engine out in a two engine aircraft a go around was attempted by the student pilot because of conflicting traffic in the pattern. The aircraft developed a high sink rate and the CFI landed the aircraft wheels up. The student raised…NTSB FTW82DA096Accident · Minor injuriesFinal reportPiper PA-38-112 · Farmington, NMThe aircraft lost power during a cross country flight. During the subsequent forced landing on a dirt road the aircraft collided with a ditch and nosed over.NTSB DEN82DA044Accident · No injuriesFinal reportPiper PA-31P · Gunnison, COWhile enroute to addison, TX, the pilot noticed a fluctuation in the engine exhaust gas temperature gauge, followed by the tachometer dropping to zero. The pilot also observed smoke emanating from the engine nacelle and proceeded to secure the engine and…NTSB DEN82DA040Accident · Serious injuriesFinal reportBell 206B III · Trenton, NDThe aircraft was hovering during a sling load operation when the engine lost power. The pilot released the load but due to low rotor RPM the aircraft landed hard, substantially damaging the aircraft. Investigaton revealed a failure of the forward male splines…NTSB LAX82FUA12Accident · Minor injuriesFinal reportBeech 35-B33 · Corona Del Mar, CAWhile climbing through 4000 feet the pilot heard a grinding noise emanating from the engine. Almost immediately thereafter the windshield was covered with oil. The aircraft was force landed in a high school baseball field with the gear up. It slid across the…NTSB DEN82DA037Accident · No injuriesFinal reportBell 206B III · Alma, COThe pilot reported that before the accident, the flight had been uneventful and all instruments were reading normal except the tot gauge. Reportedly, it was indicating 750 degrees, which was about 100 degrees higher than normal for his power setting of 70%…NTSB MIA82DA058Accident · No injuriesFinal reportCessna 152 · Miami Beach, FLThe pilot stated that while flying approximately 10 miles southeast of the airport over the ocean the engine started to vibrate. The pilot elected to return to the airport however. A few minutes later the engine oil pressure dropped to zero and the aircraft…NTSB SEA82FYM10Accident · No injuriesFinal reportWeatherly 201C · Wasco, ORThe pilot reported that during takeoff, the engine did not maintain full power. While landing in a residential area, the aircraft struck a telephone wire and three trees. An examination of the engine revealed no obvious defects that would cause a loss of…NTSB ATL82DA058Accident · No injuriesFinal reportEagle DW-1 · Clarksdale, MSThe pilot reported no indication of engine malfunction during takeoff and climb-out. However, after turning in a downwind direction, he noted a loss of airspeed and power. He stated that the power loss was so gradual that he noticed nothing unusual until the…NTSB FTW82DA067Accident · No injuriesFinal reportGrumman G-164A · Pickens, ARAt about 100 ft AGL during takeoff, the engine began to lose power. The pilot reported that he smelled a strong odor of hot metal and began a right turn to return to the airstrip. Shortly thereafter, he experienced a complete loss of power. While landing in…NTSB LAX82FVM12Accident · Minor injuriesFinal reportPitts 51 · Morgan Hill, CAWhile performing acrobatic maneuvers the pilot noticed smokeand oil streaming back from the engine and a loss of oil pressure. He throttled back immediately and started a descent towards a vacant field. In an attempt to clear some telephone lines in his path…