# NTSB investigations: Loss of engine power (partial) NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. Page 19 of 29 · 1,419 cases ## Cases, newest first - [NTSB ERA14LA351](https://openairdocs.org/ntsb/ERA14LA351.md): Siler Ronald E Ultrastar · Halifax, PA · Accident · Serious injuries · Limited investigation · Final report · Jul 23, 2014 · N4425W · Substantial damage > A total loss of engine power for reasons that could not be determined because the engine was not recovered. Contributing to the accident was the pilot's failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle-of-attack during… - [NTSB CEN14CA395](https://openairdocs.org/ntsb/CEN14CA395.md): Cessna A188B · Milford, NE · Accident · No injuries · Data collection · Final report · Jul 23, 2014 · N730GU · Substantial damage > The pilot's improper engine mixture setting which reduced available engine power, and his inadvertent retraction of flaps which resulted in an impact with crops and terrain. - [NTSB CEN14LA385](https://openairdocs.org/ntsb/CEN14LA385.md): Evektor-Aerotechnik Sportstar · Wichita Falls, TX · Accident · No injuries · Limited investigation · Final report · Jul 19, 2014 · N636EV · Substantial damage > A partial loss of engine power, which resulted in a forced landing on unsuitable terrain. The reason for the loss of engine power could not be determined during postaccident examination. - [NTSB WPR14LA298](https://openairdocs.org/ntsb/WPR14LA298.md): Piper PA 30 · Othello, WA · Accident · No injuries · Limited investigation · Final report · Jul 17, 2014 · N7981Y · Substantial damage > The partial loss of engine power for reasons that could not be determined based on the available information. - [NTSB CEN14LA443](https://openairdocs.org/ntsb/CEN14LA443.md): Piper PA 28-181 · Waukesha, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 2014 · N9681K · Substantial damage > The loss of engine power for reasons that could not be determined because no anomalies were identified during postaccident examination. - [NTSB CEN14FA356](https://openairdocs.org/ntsb/CEN14FA356.md): Mooney M20M · Greenwood, IN · Accident · 1 fatal · Field investigation · Final report · Jul 11, 2014 · N72FG · Substantial damage > A partial loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation. Also causal to the accident was the pilots' decision… - [NTSB ERA14TA326](https://openairdocs.org/ntsb/ERA14TA326.md): Cessna 336 · Mobile, AL · Accident · Serious injuries · Final report · Jul 3, 2014 · N3804U · Substantial damage > The pilot’s inadequate preflight fuel planning during which he did not ensure that there was adequate fuel in the main tanks for the flight, which resulted in a loss of engine power. - [NTSB CEN14LA334](https://openairdocs.org/ntsb/CEN14LA334.md): Piper PA-28-140 · Granbury, TX · Accident · No injuries · Limited investigation · Final report · Jul 2, 2014 · N9898W · Substantial damage > The partial loss of engine power due to the failure of the exhaust valve. - [NTSB CEN14LA333](https://openairdocs.org/ntsb/CEN14LA333.md): Cessna 172R · Joplin, MO · Accident · No injuries · Limited investigation · Final report · Jul 1, 2014 · N468CM · Substantial damage > The partial loss of engine power for reasons that could not be determined because an operational test run of the engine did not reveal any anomalies that would have precluded normal operation. - [NTSB ERA14LA316](https://openairdocs.org/ntsb/ERA14LA316.md): Czech Sport Piper Sport · Peachtree City, GA · Accident · Serious injuries · Limited investigation · Final report · Jun 29, 2014 · N957MD · Substantial damage > The pilot's incomplete assessment of the risk presented by operating an airplane with an unresolved history of engine power losses; a partial loss of engine power during takeoff due to operation of the engine with an excessively rich fuel/air mixture; and the… - [NTSB ERA14LA308](https://openairdocs.org/ntsb/ERA14LA308.md): Taylor J-2 · Lock Haven, PA · Accident · No injuries · Limited investigation · Final report · Jun 20, 2014 · N16667 · Substantial damage > The airplane owner’s failure to clean and lubricate the engine valve guides and stems, which resulted in a partial loss of engine power during the initial climb due to an exhaust valve failure. - [NTSB CEN14LA301](https://openairdocs.org/ntsb/CEN14LA301.md): Grumman Acft ENG Cor-Schweizer G-164B · Lake City, AR · Accident · No injuries · Limited investigation · Final report · Jun 18, 2014 · N993QC · Substantial damage > The partial loss of engine power for reasons that could not be determined based on the available evidence. - [NTSB WPR14LA251](https://openairdocs.org/ntsb/WPR14LA251.md): Airbus AS 350 BA FX1 · Wailuku, HI · Accident · No injuries · Limited investigation · Final report · Jun 17, 2014 · N6094H · Substantial damage > The failure of the engine’s pneumatic fuel control line fitting, resulting in a loss of engine power. Contributing to the failure was the repeated loosening and re-torqueing of the fitting during required maintenance and inspection. - [NTSB ERA14LA294](https://openairdocs.org/ntsb/ERA14LA294.md): Cub Crafters CC18-180 · Pennsboro, WV · Accident · No injuries · Limited investigation · Final report · Jun 17, 2014 · N696RP · Substantial damage > A loss of engine power during initial climb for reasons that could not be determined because the postaccident engine examination did not reveal any anomalies that would have precluded normal operation. - [NTSB WPR14LA249](https://openairdocs.org/ntsb/WPR14LA249.md): Piper PA 28-180 · Quincy, CA · Accident · No injuries · Limited investigation · Final report · Jun 15, 2014 · N4931L · Substantial damage > The partial loss of engine power during takeoff due to the separation of the exhaust baffling, which resulted in a partial blockage of airflow to the engine. Contributing to the accident was maintenance personnel’s inadequate inspection of the exhaust system… - [NTSB WPR14LA245](https://openairdocs.org/ntsb/WPR14LA245.md): Air Tractor AT 502B · Princeton, CA · Accident · No injuries · Limited investigation · Final report · Jun 13, 2014 · N502JS · Substantial damage > The partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation. - [NTSB WPR14LA242](https://openairdocs.org/ntsb/WPR14LA242.md): Adams Dragonfly · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Jun 12, 2014 · N85TL · Substantial damage > A partial loss of engine power due to a reduction in the No. 3 cylinder’s compression as a result of the exhaust valve not having consistent uniform contact with the cylinder head valve seat. - [NTSB CEN14LA287](https://openairdocs.org/ntsb/CEN14LA287.md): Air Tractor AT 301 · Pearsall, TX · Accident · No injuries · Limited investigation · Final report · Jun 12, 2014 · N8593S · Substantial damage > The failure of the No. 1 cylinder rod at the link pin. Contributing to the accident was oil starvation to the rod bearing due to the improper flushing of the oil cooler, which allowed metal and other debris in the oil to clog the drain and the led to the… - [NTSB ERA14FA283](https://openairdocs.org/ntsb/ERA14FA283.md): Cessna 172S · Daytona Beach, FL · Accident · 2 fatal · Field investigation · Final report · Jun 10, 2014 · N5524L · Destroyed > A partial loss of engine power during the initial climb after takeoff for reasons that could not be determined due to the postaccident condition of the wreckage. Contributing to the accident was the pilots' decision to turn back to the airport, which led to… - [NTSB ENG14WA030](https://openairdocs.org/ntsb/ENG14WA030.md): Boeing 737 - 6H3 · Budapest, Hungary · Incident · No injuries · Foreign investigation · Jun 10, 2014 · TS-IOK · No damage > On June 10, 2014, about 1830 local (1630 UTC), a TunisAir Boeing 737-6H3, TS-IOK, operating as flight TU-4671, experienced a malfunction of the No. 1 (left) engine during the takeoff roll at Budapest, Hungary. The pilots rejected the takeoff. A borescope… - [NTSB ERA14LA281](https://openairdocs.org/ntsb/ERA14LA281.md): Belew Marshall D II Steen Skybolt · Chapmansboro, TN · Accident · Serious injuries · Limited investigation · Final report · Jun 8, 2014 · N863SB · Destroyed > The pilot's failure to maintain airspeed while performing an emergency landing, which led to the airplane exceeding its critical angle-of-attack and experiencing a subsequent aerodynamic stall. Contributing to the accident was a partial loss of engine power… - [NTSB WPR14LA232](https://openairdocs.org/ntsb/WPR14LA232.md): Cessna 150F · Ronan, MT · Accident · Minor injuries · Limited investigation · Final report · Jun 6, 2014 · N3376B · Substantial damage > A loss of engine power for reasons that could not be determined due to insufficient evidence. - [NTSB ANC14LA038](https://openairdocs.org/ntsb/ANC14LA038.md): Aeronca 15AC · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · Jun 6, 2014 · N1301H · Substantial damage > Maintenance personnel’s failure to perform required fuel system tests to ensure that the airplane met its original type certification basis after modifying the fuel system and the Federal Aviation Administration’s improper approval of the fuel tank… - [NTSB CEN14LA276](https://openairdocs.org/ntsb/CEN14LA276.md): Cessna 172N · Padre Island, TX · Accident · No injuries · Limited investigation · Final report · Jun 3, 2014 · N734BY · Substantial damage > The loss of engine power for reasons that could not be determined based on the available evidence. - [NTSB CEN14IA270](https://openairdocs.org/ntsb/CEN14IA270.md): Bell 407 · Eugene Island 182A · Incident · No injuries · Incident investigation · Final report · May 30, 2014 · N1197 · No damage > The improper repair of the outer combustion case, which led to its ultimate failure due to the continued progression of a fatigue crack and resulted in a partial loss of engine power during takeoff. - [NTSB ERA14LA261](https://openairdocs.org/ntsb/ERA14LA261.md): Piper PA-11 · Cooperstown, NY · Accident · No injuries · Limited investigation · Final report · May 26, 2014 · N4550M · Substantial damage > The pilot’s delayed use of carburetor heat during the approach to landing, which resulted in the formation of carburetor ice, a partial loss of engine power, and the airplane’s subsequent inability to sustain flight. - [NTSB ERA14LA253](https://openairdocs.org/ntsb/ERA14LA253.md): Piper J3C - 65 · Hopkinsville, KY · Accident · Serious injuries · Limited investigation · Final report · May 22, 2014 · N46777 · Substantial damage > The failure of the pilot to identify poor engine performance during the engine run-up before takeoff. Also causal to the accident was the mistimed right magneto and the poor condition of the spark plugs in the No. 4 cylinder. - [NTSB WPR14CA197](https://openairdocs.org/ntsb/WPR14CA197.md): Cessna 140 · Vacaville, CA · Accident · Minor injuries · Data collection · Final report · May 21, 2014 · N2256N · Substantial damage > The pilot's use of excessive brakes during landing, which resulted in a nose over. Contributing to the accident was a partial loss of engine power during takeoff initial climb, likely due to carburetor ice. - [NTSB CEN14LA244](https://openairdocs.org/ntsb/CEN14LA244.md): Crawford Preceptor Ultra PUP · Mabel, MN · Accident · Minor injuries · Limited investigation · Final report · May 17, 2014 · N1171Q · Substantial damage > The loss of engine power as a result of carburetor icing. - [NTSB WPR14CA190](https://openairdocs.org/ntsb/WPR14CA190.md): Aviat A 1B · Hayden, ID · Accident · No injuries · Data collection · Final report · May 15, 2014 · N176WW · Substantial damage > A partial loss of engine power due to encounter with weather conditions conducive to carburetor icing. Contributing the accident was the pilot's inadequate weather planning. - [NTSB ANC14RA051](https://openairdocs.org/ntsb/ANC14RA051.md): Extra 300 - L · Fukushima City, Japan · Accident · Minor injuries · Foreign investigation · May 12, 2014 · JA111L · Substantial damage > On May 12, 2014, at 0115 coordinated universal time, a Japanese registered Extra 300L airplane, JA111L, operated by a private individual, experienced a loss of engine power followed by a forced landing near Fukushima City, Japan. The pilot and one passenger… - [NTSB WPR14FA186](https://openairdocs.org/ntsb/WPR14FA186.md): Cessna T207A · Page, AZ · Accident · 1 fatal · Field investigation · Final report · May 10, 2014 · N7311U · Substantial damage > The pilot’s inability to maintain aircraft control due to a partial loss of engine power and an encounter with downdrafts and gusting crosswinds while on final approach to the runway. The reason for the partial loss of engine power could not be determined… - [NTSB ENG14WA012](https://openairdocs.org/ntsb/ENG14WA012.md): Airbus A330 - 223 · Melbourne, Australia, Australia · Incident · No injuries · Foreign investigation · May 6, 2014 · VN-A371 · Minor damage > On May 6, 2014, at 10:52 am local time, an Airbus A330-223 performed a rejected takeoff at the Melbourne Aerodrome, Melbourne, Victoria Australia, due to the failure of the No. 2 engine (right), a Pratt & Whitney PW4168 turbofan. No injuries were reported.… - [NTSB CEN14LA229](https://openairdocs.org/ntsb/CEN14LA229.md): Air Tractor AT 301 · Hessmer, LA · Accident · No injuries · Limited investigation · Final report · May 5, 2014 · N7309Z · Substantial damage > A partial loss of engine power for reasons that could not be determined because a full examination of the engine could not be performed. - [NTSB WPR14LA180](https://openairdocs.org/ntsb/WPR14LA180.md): Bell 47G · El Monte, CA · Accident · Minor injuries · Limited investigation · Final report · May 3, 2014 · N7895B · Substantial damage > A partial loss of engine power during climbout due to a malfunctioning magneto and spark plugs. - [NTSB CEN14FA232](https://openairdocs.org/ntsb/CEN14FA232.md): Bell 407 · Telluride, CO · Accident · No injuries · Field investigation · Final report · May 3, 2014 · N407MH · Substantial damage > The failure of the power turbine thrust (No. 5) bearing due to overheating as a result of oil starvation, which led to the engine failure. Also causal to the accident was an undocumented repair to the gearbox cover oil delivery tube port during which an… - [NTSB ANC14CA025](https://openairdocs.org/ntsb/ANC14CA025.md): Cessna 182J · Cooper Landing, AK · Accident · No injuries · Data collection · Final report · Apr 30, 2014 · N3024F · Substantial damage > The pilot's failure to correctly use carburetor heat, resulting in a loss of engine power and collision with terrain. - [NTSB CEN14LA199](https://openairdocs.org/ntsb/CEN14LA199.md): Ercoupe 415 C · Cookson, OK · Accident · Serious injuries · Limited investigation · Final report · Apr 12, 2014 · N2788H · Substantial damage > The pilot’s failure to properly secure the primer, which resulted in the loss of engine power during takeoff. - [NTSB WPR14FA165](https://openairdocs.org/ntsb/WPR14FA165.md): Williams Myron G Bowers FLY Baby 1A · Mariposa, CA · Accident · 1 fatal · Field investigation · Final report · Apr 11, 2014 · N6054Q · Substantial damage > The partial loss of engine power due to an improperly maintained carburetor and the pilot's subsequent failure to maintain aircraft control. - [NTSB CEN14LA161](https://openairdocs.org/ntsb/CEN14LA161.md): Cessna 150M · Greenwood, IN · Accident · Serious injuries · Limited investigation · Final report · Mar 18, 2014 · N9432U · Substantial damage > The flight instructor's failure to ensure that carburetor heat was used while performing maneuvers at reduced power settings in conditions conducive to the formation of carburetor ice, which resulted in a partial loss of engine power due to carburetor ice.… - [NTSB WPR14LA153](https://openairdocs.org/ntsb/WPR14LA153.md): Zenair CH2T · Woodland, CA · Accident · No injuries · Limited investigation · Final report · Mar 6, 2014 · N285AM · Substantial damage > A total loss of engine power during approach due to carburetor icing, which resulted in an off-airport landing into trees. - [NTSB ERA14LA141](https://openairdocs.org/ntsb/ERA14LA141.md): Piper PA-28-161 · Atlantic City, NJ · Accident · Minor injuries · Limited investigation · Final report · Mar 4, 2014 · N1449H · Substantial damage > A partial loss of engine power at takeoff for reasons that could not be determined during a postaccident examination or engine test run. - [NTSB CEN14LA136](https://openairdocs.org/ntsb/CEN14LA136.md): Mahon Paul D Capella XS · Houston, TX · Accident · Serious injuries · Limited investigation · Final report · Feb 9, 2014 · N239PM · Substantial damage > The loss of engine power due to carburetor icing. - [NTSB ERA14WA116](https://openairdocs.org/ntsb/ERA14WA116.md): Helio HT-295 · Macas, Ecuador · Accident · Serious injuries · Foreign investigation · Jan 15, 2014 · HC-BTC · Substantial damage > On January 15, 2014, about 2030 coordinated universal time (1530 local time), a Helio Courier HT-295, Ecuadorian registration HC-BTC, was substantially damaged during a forced landing after takeoff from Edmundo Carvajal Airport (SEMC), Macas, Ecuador. The… - [NTSB WPR14FA091](https://openairdocs.org/ntsb/WPR14FA091.md): Cirrus Design SR22 · Pocatello, ID · Accident · Minor injuries · Field investigation · Final report · Jan 9, 2014 · N903SR · Substantial damage > The distributor gear teeth failure of the right magneto that resulted in severe engine vibration and partial loss of engine power, which progressively led to the failure of the left magneto distributor drive gear teeth. Contributing to the airplane’s… - [NTSB CEN14CA106](https://openairdocs.org/ntsb/CEN14CA106.md): Cessna P210N · Pagosa Springs, CO · Accident · Minor injuries · Data collection · Final report · Jan 8, 2014 · N4817K · Substantial damage > The pilot's inadequate preflight inspection which led to a loss of oil pressure and partial loss of engine power on takeoff. Contributing to the accident was the pilot's failure to check the security of the oil filler cap prior to the flight. - [NTSB CEN14FA057](https://openairdocs.org/ntsb/CEN14FA057.md): Cessna 152 · Spring, TX · Accident · 2 fatal · Field investigation · Final report · Nov 18, 2013 · N555UF · Substantial damage > The flight instructor's failure to maintain airspeed following a partial loss of engine power for reasons that could not be determined during postaccident examination, which resulted in an aerodynamic stall and subsequent loss of airplane control. - [NTSB CEN14LA058](https://openairdocs.org/ntsb/CEN14LA058.md): Piper PA 28-140 · San Antonio, TX · Accident · Serious injuries · Limited investigation · Final report · Nov 16, 2013 · N57DB · Substantial damage > A partial loss of engine power after departure due to the collapse of the carburetor air inlet duct, which restricted the airflow to the engine. Contributing to the accident was the overdue annual inspection and the installation of the improper air inlet duct. - [NTSB ERA14LA043](https://openairdocs.org/ntsb/ERA14LA043.md): Maule M-5-180C · Marshfield, MA · Accident · Serious injuries · Limited investigation · Final report · Nov 15, 2013 · N76RD · Destroyed > A partial loss of engine power for reasons that could not be determined in postaccident examinations because fire damage precluded testing of the fuel and several engine accessories. - [NTSB WPR14LA046](https://openairdocs.org/ntsb/WPR14LA046.md): Rovey Jason H RV-8 · Wickenburg, AZ · Accident · No injuries · Limited investigation · Final report · Nov 2, 2013 · N391V · Substantial damage > The fatigue failure of a propeller pitch change pin due to excessive shot peening of the pin’s surface during the manufacturing process. Next page: https://openairdocs.org/ntsb-events/342/cases.md?page=20 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '342') ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-events/342/cases?page=19 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.