# NTSB investigations, 2016: 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 1 of 2 · 82 cases ## Latest cases - [NTSB WPR17LA050](https://openairdocs.org/ntsb/WPR17LA050.md): Diamond Aircraft Ind DA 40 NG · Kingman, AZ · Accident · No injuries · Class 3 · Limited · Final report · Dec 29, 2016 · N605SJ · Substantial damage > The loss of engine oil pressure during cruise flight, which resulted in partial loss of engine power and necessitated a forced landing. The loss of oil pressure was the result of a failed engine piston, likely initiated by foreign object damage, which… - [NTSB WPR17LA042](https://openairdocs.org/ntsb/WPR17LA042.md): Air Tractor AT 602 · Willows, CA · Accident · No injuries · Limited investigation · Final report · Dec 27, 2016 · N602L · Substantial damage > The decision of the maintenance facility mechanic to conduct maintenance without reference to the applicable manufacturer’s guidance, which resulted in the improper reassembly and subsequent failure of the engine compressor bleed valve, which in turn… - [NTSB ERA17FA072](https://openairdocs.org/ntsb/ERA17FA072.md): Piper PA28 · Middlebury, VT · Accident · 1 fatal · Field investigation · Final report · Dec 23, 2016 · N31202 · Substantial damage > The pilot's improper decision to return to the airport following a partial or complete loss of engine power during takeoff initial climb and his failure to maintain sufficient airspeed while maneuvering, which resulted in exceedance of the critical angle of… - [NTSB ERA17LA067](https://openairdocs.org/ntsb/ERA17LA067.md): Mathias Linda B Lightning · Franklin, VA · Accident · Serious injuries · Limited investigation · Final report · Dec 10, 2016 · N59JL · Substantial damage > A partial loss of engine power due to pre-ignition damage to the No. 2 cylinder piston and the pilot's exceedance of the airplane's critical angle of attack while maneuvering in the airport traffic pattern, which resulted in an aerodynamic stall. - [NTSB ERA17WA080](https://openairdocs.org/ntsb/ERA17WA080.md): Neiva EMB-721D · Manaus, Brazil · Accident · 6 fatal · Foreign investigation · Dec 7, 2016 · PT-REI · Destroyed > On December 7, 2016, about 1150 UTC, an Industria Aeronautica Neiva S/A EMB 721D, Brazilian registration PT-REI, registered to and operated by a foreign individual, collided with trees then terrain shortly after takeoff. Visual meteorological conditions… - [NTSB WPR17FA024](https://openairdocs.org/ntsb/WPR17FA024.md): Piper PA 31T · Elko, NV · Accident · 4 fatal · Field investigation · Final report · Nov 19, 2016 · N779MF · Destroyed > A loss of engine power to the left engine for reasons that could not be determined due to the extensive fire and impact damage to the airplane. - [NTSB ERA17LA037](https://openairdocs.org/ntsb/ERA17LA037.md): Aviat A 1B · Geneva, FL · Accident · No injuries · Limited investigation · Final report · Nov 2, 2016 · N54HY · Substantial damage > A partial loss of engine power due to debris in the No. 1 cylinder that damaged the spark plugs. - [NTSB CEN17LA099](https://openairdocs.org/ntsb/CEN17LA099.md): Robinson R22 Beta · Asherton, TX · Accident · No injuries · Limited investigation · Final report · Oct 28, 2016 · N522KC · Substantial damage > The partial loss of engine power due to the failure of the magneto's internal timing during low-altitude maneuvering. - [NTSB WPR17LA009](https://openairdocs.org/ntsb/WPR17LA009.md): Gray Jim Robert Exec 90 · Caldwell, ID · Accident · No injuries · Limited investigation · Final report · Oct 19, 2016 · N716JB · Substantial damage > The pilot's failure to properly tighten the tension bolts during the installation of the alternator belt, which resulted in inadequate voltage to sustain ignition and the subsequent partial loss of engine power. - [NTSB ERA17LA023](https://openairdocs.org/ntsb/ERA17LA023.md): Ercoupe 415 · Lindenwold, NJ · Accident · Serious injuries · Limited investigation · Final report · Oct 19, 2016 · N415WE · Substantial damage > A partial loss of engine power for reasons that could not be determined based on the available information. - [NTSB ERA17LA015](https://openairdocs.org/ntsb/ERA17LA015.md): Cessna 150 · Stockbridge, GA · Accident · Serious injuries · Limited investigation · Final report · Oct 16, 2016 · N7948F · Substantial damage > A partial loss of engine power due to a stuck exhaust valve and the pilot's exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall. - [NTSB CEN17LA018](https://openairdocs.org/ntsb/CEN17LA018.md): Piper PA 18-150 · Jasper, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 15, 2016 · N9473D · Substantial damage > A partial loss of engine power for reasons that could not be determined, because an examination of the airplane did not identify a specific reason for the loss of engine power. - [NTSB WPR17LA004](https://openairdocs.org/ntsb/WPR17LA004.md): Rockwell International 112A · Phoenix, AZ · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 12, 2016 · N509CA · Substantial damage > A catastrophic engine failure due to lack of lubrication due to the absence of 2 piston cooling nozzles that backed out of their respective threaded bores, which resulted in a forced landing on unsuitable terrain. - [NTSB WPR17LA003](https://openairdocs.org/ntsb/WPR17LA003.md): Melborn Joe B Kolb Sport 600 · Roberts, ID · Accident · Minor injuries · Limited investigation · Final report · Oct 9, 2016 · N914NK · Substantial damage > A total loss of engine power for reasons that could not be determined based on the available information. - [NTSB ERA17LA019](https://openairdocs.org/ntsb/ERA17LA019.md): Cessna 182 · Toone, TN · Accident · No injuries · Limited investigation · Final report · Oct 9, 2016 · N65903 · Substantial damage > A stuck No. 3 cylinder exhaust valve, which resulted in failure of the cylinder's valvetrain components, breach of the cylinder's rocker box cover, and partial loss of engine power due to oil starvation. - [NTSB ERA17LA007](https://openairdocs.org/ntsb/ERA17LA007.md): James Bruton Flying Flea · Plymouth, CT · Accident · Serious injuries · Limited investigation · Final report · Oct 6, 2016 · N83165 · Substantial damage > A partial loss of engine power for reasons that could not be determined based on the available information. - [NTSB CEN17LA006](https://openairdocs.org/ntsb/CEN17LA006.md): Cessna 172K · Wilmot, WI · Accident · No injuries · Limited investigation · Final report · Oct 4, 2016 · N46377 · Substantial damage > A failure of the No. 1 piston pin plug due to corrosion in the cylinder barrel, which resulted in oil contamination, oil starvation to the crankshaft connecting rod bearings, and a subsequent partial loss of engine power. - [NTSB CEN17LA011](https://openairdocs.org/ntsb/CEN17LA011.md): Fokker DR-1 · Fulshear, TX · Accident · No injuries · Limited investigation · Final report · Oct 3, 2016 · N83WR · Substantial damage > A partial loss of engine power due to the improper assembly of the mechanical fuel pump. - [NTSB ERA16LA331](https://openairdocs.org/ntsb/ERA16LA331.md): Piper PA32RT · Camden, SC · Accident · Minor injuries · Limited investigation · Final report · Sep 30, 2016 · N39686 · Substantial damage > A total loss of engine power due to the improper torqueing of the magneto, which led it to its malfunctioning in flight. - [NTSB CEN16LA394](https://openairdocs.org/ntsb/CEN16LA394.md): Piper PA 22-108 · Pearland, TX · Accident · Serious injuries · Limited investigation · Final report · Sep 24, 2016 · N4920Z · Substantial damage > A partial loss of engine power during takeoff for reasons that could not be determined based on the available information following a thorough postaccident examination. - [NTSB CEN16LA387](https://openairdocs.org/ntsb/CEN16LA387.md): Pahnke Vernon A Vans RV 9A · Newark, IL · Accident · Minor injuries · Limited investigation · Final report · Sep 22, 2016 · N699RV · Substantial damage > The pilot's failure to properly assemble the fuel pump, which resulted in the loss of fuel pressure and the subsequent partial loss of engine power. - [NTSB CEN16LA369](https://openairdocs.org/ntsb/CEN16LA369.md): Stinson V77 · Jordan, MN · Accident · No injuries · Limited investigation · Final report · Sep 14, 2016 · N715FB · Substantial damage > A partial loss of engine power due to carburetor icing. - [NTSB DCA16WA241](https://openairdocs.org/ntsb/DCA16WA241.md): Cessna 152 · Nairobi, Kenya · Accident · No injuries · Foreign investigation · Sep 12, 2016 · 5Y-NNC · Substantial damage > The Kenya Air Accident Investigation Division (AAID) has notified the NTSB of an accident involving a Cessna 152 airplane that occurred on September 12, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the AAID investigation under the… - [NTSB CEN16LA349](https://openairdocs.org/ntsb/CEN16LA349.md): Piper PA 28-180 · Cuba, NM · Accident · No injuries · Limited investigation · Final report · Sep 4, 2016 · N9241J · Substantial damage > A partial loss of engine power for reasons that could not be determined based on available information. - [NTSB CEN16LA355](https://openairdocs.org/ntsb/CEN16LA355.md): Republic RC3 · Post Oak, MO · Accident · Serious injuries · Limited investigation · Final report · Aug 30, 2016 · N6490K · Substantial damage > A partial loss of engine power due to low cylinder compression. Contributing to the loss of engine power was rust formation in the cylinders due to inactivity. - [NTSB CEN16LA334](https://openairdocs.org/ntsb/CEN16LA334.md): Piper PA 25-235 · Bushton, KS · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 2016 · N4963Y · Substantial damage > A partial loss of engine power for reasons that could not be determined based on the available information. - [NTSB CEN16LA320](https://openairdocs.org/ntsb/CEN16LA320.md): Cirrus Design SR20 · Des Moines, IA · Accident · Minor injuries · Limited investigation · Final report · Aug 13, 2016 · N314BF · Destroyed > The two separations in the induction system due to improper installation and/or maintenance, which resulted in a partial loss of engine power during initial climb. - [NTSB CEN16WA340](https://openairdocs.org/ntsb/CEN16WA340.md): Quad City Challenger II · Amos, Canada · Accident · 1 fatal · Foreign investigation · Aug 9, 2016 · C-IIJW · Destroyed > On August 9, 2016, at 1530 UTC, a Quad City Challenger II (S/N CH2-0903-2368), C-IIJW, impacted terrain near the runway end at Amos/Magny Airport (CYEY), Amos, Quebec, Canada. The aircraft was destroyed and sole occupant on board was fatally injured. The… - [NTSB ANC16CA056](https://openairdocs.org/ntsb/ANC16CA056.md): Brian Turner Northern Explorer · Chickaloon, AK · Accident · No injuries · Data collection · Final report · Aug 8, 2016 · N907BT · Substantial damage > A partial loss of engine power due to carburetor icing, which resulted from the pilot’s failure to use carburetor heat. - [NTSB ERA16LA281](https://openairdocs.org/ntsb/ERA16LA281.md): Vans RV4 · Shelbyville, KY · Accident · Serious injuries · Limited investigation · Final report · Aug 7, 2016 · N924WZ · Substantial damage > The partial loss of engine power due to carburetor icing. Contributing to the accident was the pilot’s failure to effectively use carburetor heat. - [NTSB ERA16LA280](https://openairdocs.org/ntsb/ERA16LA280.md): Piper PA 28R-201 · Northampton, MA · Accident · No injuries · Limited investigation · Final report · Aug 6, 2016 · N3783M · Substantial damage > The failure of the alternate air valve plate hinge pin, which caused the alternate air valve plate to lodge in the fuel servo assembly, which resulted in a restriction of air to the fuel servo assembly, a loss of engine power, and an off-airport emergency… - [NTSB CEN16LA313](https://openairdocs.org/ntsb/CEN16LA313.md): Liming Louis L HPL 1 High Wing Para · Mt. Orab, OH · Accident · No injuries · Limited investigation · Final report · Aug 4, 2016 · N9095U · Substantial damage > A partial loss of engine power due to a missing throttle cable fastener. - [NTSB WPR16LA159](https://openairdocs.org/ntsb/WPR16LA159.md): Air Tractor AT 301 · Weiser, ID · Accident · No injuries · Limited investigation · Final report · Aug 2, 2016 · N23923 · Substantial damage > A partial loss of engine power due to an internal catastrophic failure of the master rod crankpin bearing. - [NTSB CEN16LA297](https://openairdocs.org/ntsb/CEN16LA297.md): Cessna 172F · Newark, IL · Accident · No injuries · Limited investigation · Final report · Jul 31, 2016 · N211FC · Substantial damage > The failure of the No. 4 cylinder exhaust valve, which resulted in a partial loss of engine power and a forced landing. Contributing to the valve failure and loss of engine power was the extended time since the last overhaul. - [NTSB CEN16LA287](https://openairdocs.org/ntsb/CEN16LA287.md): Stinson 108 · Dodge Center, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2016 · N8019K · Substantial damage > A partial loss of engine power due to carburetor ice. - [NTSB CEN16LA275](https://openairdocs.org/ntsb/CEN16LA275.md): Meyers 200 · Huron, SD · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 20, 2016 · N229RS · Substantial damage > The partial loss of engine power due an unsecured throttle cable. The reason for the unsecured throttle cable could not be determined. - [NTSB CEN16LA273](https://openairdocs.org/ntsb/CEN16LA273.md): Brandt Sonex · Lodi, WI · Accident · No injuries · Limited investigation · Final report · Jul 19, 2016 · N393SX · Substantial damage > The separated rocker arm assembly for undetermined reasons, which resulted in the partial loss of engine power and led to the landing gear collapsing during the subsequent forced landing. - [NTSB CEN16LA270](https://openairdocs.org/ntsb/CEN16LA270.md): Cessna 182J · Weatherford, TX · Accident · Serious injuries · Limited investigation · Final report · Jul 19, 2016 · N2644F · Substantial damage > An electrical system malfunction for reasons that could not be determined, and the subsequent loss of engine power due to the loss of the electrical boost pumps. Also causal was the pilot's improper emergency action following the loss of engine power due to… - [NTSB ANC16LA047](https://openairdocs.org/ntsb/ANC16LA047.md): Aeropro CZ A220 · McCarthy, AK · Accident · No injuries · Limited investigation · Final report · Jul 19, 2016 · N151J · Substantial damage > The pilot’s failure to maintain directional control during the takeoff roll, which resulted in a loss of control and impact with terrain. Contributing to the accident were engine power surges due to the bent carburetor throttle valve lever. - [NTSB CEN16LA267](https://openairdocs.org/ntsb/CEN16LA267.md): Aeronca 7BCM · Longmont, CO · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 2016 · N2576E · Substantial damage > The pilot's decision to continue the takeoff after observing a partial loss of engine power, the reason for which could not be determined because postaccident examination of the airframe and engine revealed no evidence of mechanical malfunctions or failures. - [NTSB CEN16FA241](https://openairdocs.org/ntsb/CEN16FA241.md): Boeve Earl Seawind · Buena Vista, CO · Accident · 1 fatal · Field investigation · Final report · Jul 4, 2016 · N46EB · Destroyed > The pilot's failure to maintain control of the airplane during a forced landing following a partial loss of engine power, which resulted in a hard landing and nose over. The reason for the loss of engine power could not be determined due to the severity of… - [NTSB WPR16LA134](https://openairdocs.org/ntsb/WPR16LA134.md): Bell OH 58A · Brawley, CA · Accident · No injuries · Limited investigation · Final report · Jul 2, 2016 · N6251G · Substantial damage > The engine's degraded performance due to excessive wear of the engine bleed valve, which prevented it from closing during the accident flight. Contributing to the accident was the operator's failure to overhaul the bleed valve within the… - [NTSB ERA16LA231](https://openairdocs.org/ntsb/ERA16LA231.md): Cessna 172 · Hollywood, FL · Accident · No injuries · Class 3 · Limited · Final report · Jun 26, 2016 · N734UF · Substantial damage > A partial loss of engine power during the initial climb for undetermined reasons. - [NTSB ANC16LA035](https://openairdocs.org/ntsb/ANC16LA035.md): Universal Stinson 108 · Big Lake, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 2016 · N9063K · Substantial damage > A total loss of engine power during cruise flight for reasons that could not be determined because postaccident examination of the airframe and engine revealed no mechanical malfunctions or failures that would have precluded normal operation. - [NTSB CEN16LA229](https://openairdocs.org/ntsb/CEN16LA229.md): Cessna 182P · Humansville, MO · Accident · Minor injuries · Limited investigation · Final report · Jun 22, 2016 · N9434M · Substantial damage > A partial loss of engine power for reasons that could not determined, because an examination and test run of the engine did not reveal any anomalies that would have contributed to the loss of engine power. - [NTSB CEN16LA223](https://openairdocs.org/ntsb/CEN16LA223.md): Cirrus Design SR22 · Colorado Springs, CO · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 2016 · N678Z · Substantial damage > A hard landing on rough terrain due to a faulty deployment of the airplane’s airframe parachute system following a partial loss of engine power for reasons that could not be determined, because postaccident examination revealed no malfunctions or anomalies… - [NTSB ERA16LA212](https://openairdocs.org/ntsb/ERA16LA212.md): Piper PA28RT · Taylorsville, KY · Accident · Serious injuries · Limited investigation · Final report · Jun 12, 2016 · N42JA · Destroyed > The pilot's improper decision to continue a takeoff with a partial loss of engine power that occurred early in the takeoff roll. The reason for the partial loss of engine power could not be determined because postaccident fire damage to the engine precluded… - [NTSB WPR16FA124](https://openairdocs.org/ntsb/WPR16FA124.md): Grumman American Avn. AA 1B · Hawthorne, CA · Accident · 2 fatal · Field investigation · Final report · Jun 11, 2016 · N4SU · Destroyed > The failure of both pilots to land the airplane on the remaining runway when a sufficient rate of climb could not be attained. Contributing to the accident was a reduction of available engine power due to severe camshaft lobe wear. - [NTSB ERA16LA202](https://openairdocs.org/ntsb/ERA16LA202.md): Bell 407 · Mountain City, TN · Accident · Minor injuries · Limited investigation · Final report · Jun 3, 2016 · N4999 · Substantial damage > An incorrect and unapproved repair of the engine compressor diffuser performed by a machinist at a repair facility, which resulted in failure of the compressor diffuser aft plate and a partial loss of engine power. - [NTSB WPR16LA119](https://openairdocs.org/ntsb/WPR16LA119.md): Beech C23 · Waianae, HI · Accident · Minor injuries · Limited investigation · Final report · May 23, 2016 · N6697Y · Substantial damage > The total loss of engine power during cruise flight due to carburetor icing. Contributing to the accident was the pilot’s delay in applying carburetor heat during flight while operating in an area conducive to carburetor icing. Next page: https://openairdocs.org/ntsb-events/342/cases.md?year=2016&page=2 ## 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 year(c."eventDate") = 2016 AND 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?year=2016 --- 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.