NTSB investigations
1,176 cases where the first occurrence was “Loss of engine power(partial) - nonmechanical”.
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\" = 354) 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" = 354) 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 ATL89LA209Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Rowland, NCThe pilot's failure to recognize and prevent carburetor icing prior to take off.NTSB LAX89FA296Accident · 1 fatalField investigationFinal reportGrumman AA-5B · California City, CAFailure of the student pilot to maintain a proper airspeed while maneuvering for an emergency landing. Factors in the accident were the partial engine power loss, which was due to improper maintenance procedures, the student pilot's inexperience, the strong…NTSB FTW89DPA04Accident · 1 fatalFinal reportNorth American F-51 · Denton, TXThe pilot's failure to detect water in the fuel system during the preflight which subsequently resulted in a loss of power.NTSB MKC89FA194Accident · Serious injuriesField investigationFinal reportCessna 206A · Lees Summit, MOEngine partial power loss due to water in the aircraft fuel system, and an inadequate preflight.NTSB MKC89LA185Accident · Serious injuriesLimited investigationFinal reportPiper PA-32-260 · Leon, IABlockage of the engine air induction system by a field mouse nest. The nest was positioned so that it could not be seen during the pre-flight inspection. It became dislodged during the takeoff roll on the rough runway.NTSB ANC89FA143Accident · No injuriesField investigationFinal reportPiper PA-19 · Anchorage, AKOperation with a known deficiency in the aircraft and water contamination of the fuel due to inadequate preflight preparation by the pilot. Factors related to the accident were: lack of suitable terrain for a forced landing and tree(s).NTSB CHI89LA171Accident · No injuriesLimited investigationFinal reportCessna 172H · Lake Village, INWater contamination in the fuel/fuel system and inadequate preflight by the pilot. Soft terrain in the emergency landing area was a contributing factor.NTSB MIA89LA218Accident · No injuriesLimited investigationFinal reportCessna 402C · Fort Lauderdale, FLThe failure of the pilot to position the auxiliary pump to low for takeoff, compunded by improper procuderes used during the resultant in-flight emergency.NTSB CHI89DEM06Accident · No injuriesFinal reportCessna 152 · Manistee, MIThe partial loss of power during initial climbout, and the aircraft's subsequent nose over during the forced landing roll.NTSB DEN89LA187Accident · Minor injuriesLimited investigationFinal reportCessna 172M · Ruidoso, NMThe pilot's improper use of the mixture control and carburetor heat during a takeoff in high density altitude conditions. Contributing to the accident was the high density altitude.NTSB LAX89LA263Accident · Minor injuriesLimited investigationFinal reportPiper PA-23-180 · Lancaster, CAThe pilot's failure to follow established procedures in restarting the engine that drives the hydrualic pump and his failure to follow published emergency landing gear extension procedures. The pilot's decision to shut down an engine and feather the propeller…NTSB CHI89LA163Accident · Minor injuriesLimited investigationFinal reportCessna 150J · Putnam, ILImproper use of carburetor heat by the pilot which resulted in reduced power for takeoff. The obstructions (hangar & trees) and weather conditions were contributing factors.NTSB LAX89LA259Accident · Serious injuriesLimited investigationFinal reportRobinson R22 · Palm Springs, CAThe pilot's failure to properly manipulate the throttle control to maintain engine/rotor RPM and his decision to enter an autorotation (forced landing). His eagerness to land and lack of total experience were factors in the accident.NTSB MKC89LA169Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Harviell, MOThe pilot's inability to avoid unsuitable terrain during the landing roll after a forced landing. The forced landing was made necessary by a loss of engine power caused by a foreign object restricting the fuel system.NTSB SEA89LA134Accident · No injuriesLimited investigationFinal reportMirsepasy 3Q2 · Arlington, WAFuel starvation due to a blocked fuel line which resulted in the pilot having to land on unsuitable terrain.NTSB NYC89LA164Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-160 · Hammond, NYThe pilot's decision to abort the takeoff with insufficient runway remaining. Contributing to the the accident was a wet grass runway and the faulty tachometer which influenced the pilot's decision.NTSB BFO89LA056Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · Bealeton, VAWater in the fuel, which resulted in a momentary loss of power during an inverted low pass, and the pilot's failure to plan the maneuver to allow for appropriate remedial action.NTSB LAX89LA215Accident · No injuriesLimited investigationFinal reportCessna 182P · Fallbrook, CAPilot did not follow procedures/directives in as much as he pushed the throttle forward too fast and the engine was not able to respond.NTSB FTW89LA108Accident · No injuriesLimited investigationFinal reportPiper PA-23-250 · Fort Worth, TXInitially the loss of power on the left engine due to an inadequate preflight by the pilot. A secondary cause was a inadvertent feathering of the wrong propeller by the pilot.NTSB BFO89LA039Accident · Minor injuriesLimited investigationFinal reportAircoupe Alon A2A · Sutherland, VALow output of the magnetos which resulted in the loss of full power during the attempted recovery from a simulated forced landing. The pilot ignored indications of an engine problem during start when the engine was hard to start.NTSB SEA89LA095Accident · No injuriesLimited investigationFinal reportBell 206B III · Lewiston, IDA loss of engine power for undetermined reasons. A factor in the accident was the lack of suitable terrain for a forced landing.NTSB MKC89LA118Accident · No injuriesLimited investigationFinal reportBeech V35 · Strong, AREngine failure due to fuel starvation.NTSB CHI89LA086Accident · No injuriesLimited investigationFinal reportPorterfield CP-55 · Tecumseh, MIPilot's inadequate preflight operatins, which failed to detect the presence of water contamination in the fuel system, and resulted in the substantial loss of power and subsequent forced landing. The aircraft encountered soft, loose soil during the forced…NTSB CHI89LA085Accident · No injuriesLimited investigationFinal reportCessna 152 · Flint, MIThe pilot-in-command's failure to follow proper procedures and directives and his premature decision to initiate an emergency procedure. Contributing factors were the pilot's lack of total experience and his selection of unsuitable terrain for the emergency…NTSB LAX89LA151Accident · No injuriesLimited investigationFinal reportMooney M20F · Prescott, AZThe failure of the plt to lean the fuel mixture for the high density altitude. Contributing to the accident was the cfi's lack of familiarity with the airplane and engine operating procedures.NTSB FTW89FA075Accident · No injuriesField investigationFinal reportBell 206B · West CameronInadequate maintenance/inspection of the aircraft fuel system by company maintenance personnel and fuel contamination, which resulted in a partial loss of engine power. Related factors were: a binding (stuck) fuel filter cap bypass valve and partial failure…NTSB ATL89LA121Accident · Minor injuriesLimited investigationFinal reportAero Commander 685 · Southern Pines, NCThe pilot's improper use of the mixture controls which resulted in engine roughness and the failure to properly execute the emergency procedure for a rough engine by placing the fuel boost pump switch in the low position.NTSB ATL89LA118Accident · No injuriesLimited investigationFinal reportPiper PA-16 · Danville, GAThe pilot delayed in applying carburetor heat after the engine began to lose power, and his selection of unsuitable terrain for a precautionary-landing site.NTSB ATL89FA114Accident · Serious injuriesField investigationFinal reportBoeing A75N1 · Covington, GAInadequate preflight by the pilot by inadvertently allowing the carburetor heat to be in the 'hot' position for takeoff. The high density altitude and trees were considered to be contributing factors.NTSB FTW89DRA03Accident · No injuriesFinal reportBenson B-8-M · La Porte, TXHard landing which occurred as a result of the pilot having to extend his glide over obstacles on short final to the forced landing area. The forced landing was executed as a result of engine performance degradation due to induction icing for which no…NTSB NYC89LA096Accident · No injuriesLimited investigationFinal reportBell 206B · Harding Twnp, NJThe pilots attempt to conduct the flight with less than required fuel resulting in loss of engine power and subsequent damage to the helicopter while performing an autorotative landing.NTSB DEN89LA079Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Wolf Point, MTThe failure of the student pilot to use carburetor heat in a timely manner which resulted in a partial loss of engine power. Contributing to the accident was the inadequate weather evaluation the pilot made after taking off and flying through fog due to his…NTSB ATL89LA091Accident · No injuriesLimited investigationFinal reportCessna 170B · Cleveland, TNFlight into known adverse weather by the pilot and his delay in diverting to an alternate airport which led to a partial power loss and an emergency landing. The weather conditions and soft terrain were contributing factors.NTSB ATL89LA073Accident · No injuriesLimited investigationFinal reportCessna 182P · Hamilton, OHThe pilot's improper use of the carburetor heat control which resulted in a loss of engine power. Contributing to the accident were conditions conducive to carburetor ice.NTSB CHI89DEX03Accident · No injuriesFinal reportGrumman American AA-1C · Richmond, INThe pilot's attempt to continue the takeoff with a partial loss of power. Contributing to the accident were the carburetor icing conditions.NTSB ATL89LA069Accident · No injuriesLimited investigationFinal reportBoeing E75 · Salisbury, NCImproper use of carburetor heat by the pilot, which resulted in carburetor ice. Factors related to the accident were: carburetor icing conditions and obstruction(s)/utility pole near the departure end of the runway.NTSB ANC89LA031Accident · No injuriesLimited investigationFinal reportCessna 207A · Russian Mission, AKThe partial engine power loss due to undetermined reasons. Contributing to the accident was the pilot's improper inflight planning by flying at a traffic pattern altitude insufficient to insure a safe emergency landing either on or off the airport and his…NTSB DEN89LA051Accident · No injuriesLimited investigationFinal reportBeech B24R · Ogden, UTThe non-instrument rated plt rcvd a wx briefing & filed an IFR flt pln. He tkof on rwy 34 at 1517 MST with low ceiling &restricted vis due to fog & lgt snow. The twr ctlr saw the acft lift-off at the rwy's end, then lost sight of it. Soon thereafter, the plt…NTSB MKC89LA047Accident · Minor injuriesLimited investigationFinal reportPiper PA-28 · Derby, KSDrg an eng run-up before a simulated instrument flt, the crew noticed the carb heat control would only move about 1/2 of its normal travel. The plts discussed the malfunction & ran the eng for another 1 to 2 min until the oil temp gauge indcd a temp rise. Drg…NTSB ANC89LA029Accident · Minor injuriesLimited investigationFinal reportCessna 207 · Kivalina, AKThe air taxi pilot was on a scheduled cargo flight to a remote village in western Alaska when he reportedly had a partial loss of engine power. He said that he was unable to maintain altitude and made a forced landing on a frozen lake. He is uncertain why the…NTSB LAX89DVM03Accident · 1 fatalFinal reportBeard Varieze · Palo Alto, CAThe acft crashed 200 ft short of the rwy in a pond and nosed over. Witnesses heard the sounds of low power. Evidence of low/no power was shown by the prop. Investigation revealed that unapproved engine mods were made by pilot/owner. An untested carb heat…NTSB LAX89IA062Incident · Minor injuriesIncident investigationFinal reportCessna 152 · Haleiwa, HIThe aircraft experienced a partial loss of power and collided with the terrain while completing an emergency landing in a sugar cane field. During this particular maneuver the CFI indicated that he was reasonably sure he cleared the engine at least once a few…NTSB ATL89LA050Accident · No injuriesLimited investigationFinal reportCessna 172 · Lawrenceville, GAAfter 3 full stop landings, the pilot reported that the airplane would not accelerate to liftoff airspeed on 4th takeoff after rolling about 2000 feet. The pilot elected to abort the takeoff. The airplane rolled off the departure end of runway 07 and nosed…NTSB MKC89LA028Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Lino Lakes, MNShortly after takeoff and climbing to about 150 AGL, the pilot said the engine began sputtering and losing power. Attempts to correct the situation by pumping the throttle and working the engine primer failed to correct the situation, and shortly thereafter…NTSB MKC89LA030Accident · No injuriesLimited investigationFinal reportCessna 170A · Mccrory, ARThe student pilot and passenger said after about 10 minutes of local flight, they experienced a partial power loss. An emergency ldg was attempted on a near by rural strip, but the plt said he had excess airspeed and was unable to land successfully. The…NTSB ATL89LA037Accident · Minor injuriesLimited investigationFinal reportCessna R172E · Lawrenceville, GAImproper repair and/or modification of the carburetor airbox by unknown person(s), and the subsequent failure of maintenance personnel to detect the improper repair/modification during annual inspection(s), which led to a loss of power due to carburetor…NTSB SEA89LA018Accident · No injuriesLimited investigationFinal reportRobinson R-22 · Port Gamble, WAForeign national pilot was obtaining helicopter instruction. On solo flt to practice lndgs in unimproved terrain, touched down on stump with one skid and rolled over. Plt cited temporary pwr loss during approach. Investigation found no engine malfunction.NTSB NYC89LA024Accident · Minor injuriesLimited investigationFinal reportCessna 150H · Newstead, NYLanding in unsuitable terrain following a partial power loss carburetor icing.NTSB ATL89LA017Accident · Serious injuriesLimited investigationFinal reportPiper PA-22-108 · Advance, NCDuring takeoff climb eng quit then re-started. PIC turned to the north & engine quit again. PIC stalled acft & crashed into wheat field. Acft had STC for auto gas. Fuel in acft had water & rust contaminants. Fuel lines had dried. Carb had composite float. The…NTSB MKC89LA008Accident · No injuriesLimited investigationFinal reportDavis TRI-Q-200 · Carthage, MODrg the 2nd flt of the newly constructed home built acft, the eng began to lose power shortly after takeoff. The plt reentered the pattern for a precautionary landing, but misjudged the apch & had to go around. Drg the next apch, the eng lost power…