Fatal NTSB investigations
155 cases where the first occurrence was “Loss of engine power(partial) - mech failure/malf”.
Cases per year
| 1982 | 6 |
|---|---|
| 1983 | 8 |
| 1984 | 6 |
| 1985 | 9 |
| 1986 | 11 |
| 1987 | 4 |
| 1988 | 12 |
| 1989 | 7 |
| 1990 | 12 |
| 1991 | 4 |
| 1992 | 5 |
| 1993 | 5 |
| 1994 | 5 |
| 1995 | 12 |
| 1996 | 8 |
| 1997 | 3 |
| 1998 | 8 |
| 1999 | 5 |
| 2000 | 3 |
| 2001 | 1 |
| 2002 | 6 |
| 2003 | 3 |
| 2004 | 3 |
| 2005 | 3 |
| 2006 | 5 |
| 2007 | 1 |
Where
Open the mapLatest cases
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.\"highestInjuryLevel\" = 'Fatal'
AND 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."highestInjuryLevel" = 'Fatal' AND 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 NYC08FA012Accident · 4 fatalField investigationFinal reportAero Commander 560-F · Wiley Ford, WVA partial power loss in the right engine due to the failure of the number one exhaust valve, and the airplane's inability to maintain a climb on one engine for unknown reasons. Contributing to the accident were fog and rising terrain. [This report was…NTSB LAX07FA035Accident · 3 fatalField investigationFinal reportCessna 421B · Big Bear Lake, CAFailure of the turbine wheel shaft in the left turbocharger during the takeoff initial climb for undetermined reasons, and the pilot's failure to attain and maintain safe single engine airspeed that led to a loss of control.NTSB DFW06LA195Accident · 1 fatalLimited investigationFinal reportCessna A188B · Sumrall, MSThe pilot's failure to maintain airspeed which resulted in an inadvertent stall. Contributing factors were the partial loss of engine power and the low altitude.NTSB NYC06LA179Accident · 1 fatalLimited investigationFinal reportCessna 172N · Pompton Lakes, NJImproper maintenance of the throttle shaft, which resulted in a partial loss of engine power during cruise flight, and subsequent impact with trees during a forced landing.NTSB NYC06LA165Accident · 1 fatalLimited investigationFinal reportNorth American Navion · Sturgis, KYA total loss of engine power due to a leaking fuel pump gasket.NTSB DFW06LA078Accident · 1 fatalLimited investigationFinal reportCessna C-37 · Fittstown, OKThe loss of engine power due to a cracked cylinder head. A contributing factor was the lack of suitable terrain available to the pilot for the forced landing.NTSB LAX05FA296Accident · 2 fatalField investigationFinal reportCessna 152 · Lakewood, CAthe certified flight instructor's failure to maintain an adequate airspeed resulting in a stall and loss of control. Also causal was the engine's loss of partial power due to inadequate maintenance, worn spark plugs, worn pistons, and broken piston rings.NTSB SEA05FA105Accident · 4 fatalField investigationFinal reportMitsubishi MU-2B-25 · Hillsboro, ORThe pilot's failure to obtain minimum controllable airspeed during the takeoff climb, which resulted in a loss of aircraft control when the left engine lost partial power. A fatigue failure to an oil tube, which resulted in the partial power loss to the left…NTSB ATL05FA048Accident · 1 fatalField investigationFinal reportCessna T210M · Shallotte, NCThe partial loss of engine power for undetermined reasons.NTSB ATL05FA032Accident · 5 fatalField investigationFinal reportCessna 421B · Apison, TNThe pilot's improper identification of a partial loss of engine power on initial takeoff climb resulting in a collision with trees and the ground. A factor was a partial failure of the left engine starter adapter due to overload.NTSB CHI04FA234Accident · 2 fatalField investigationFinal reportCessna 172E · Decorah, IAThe pilot's intentional operation of the airplane with a defective magneto, his failure to abort the takeoff due to degraded aircraft performance, and his failure to obtain or maintain airspeed which resulted in a stall/spin and subsequent impact with the…NTSB MIA04FA076Accident · 2 fatalField investigationFinal reportCessna 177RG · Tampa, FLImproper maintenance by other maintenance personnel, and the reinstallation of an unserviced magneto during an engine overhaul, which resulted in the magneto malfunctioning, a loss of engine power, and the airplane being ditched into the water.NTSB NYC03FA164Accident · 1 fatalField investigationFinal reportHawker T Mk 7A · Pittston, PAThe pilot's failure to abort the takeoff, after the engine experienced a partial power loss for undetermined reasons. Factors were the pilot's improper preflight planning by his failure to determine if the airplane was airworthy, and the operators inadequate…NTSB NYC03FA131Accident · 4 fatalField investigationFinal reportCessna 205 · Jeannette, PAThe loss of power caused by fragments of the air filter being ingested in the engine. A factor was the pilot's delayed decision to perform a forced landing after experiencing a partial loss of engine power.NTSB FTW03FA118Accident · 2 fatalField investigationFinal reportBell 407 · Broadus, TXThe partial loss of engine power due to erratic fuel flow metering to the engine resulting from the single point failure of the PLA potentiometer in the hydro-mechanical fuel control unit. A contributing factor was the lack of suitable terrain to execute a…NTSB ATL03FA009Accident · 2 fatalField investigationFinal reportBeechcraft A60 · Jesup, GAThe loss of power in one engine and the loss of control for undetermined reasons.NTSB NYC02FA178Accident · 7 fatalField investigationFinal reportBeechcraft 58P · Swanzey, NH**This report was modified on 2/24/2016. Refer to the public docket for this accident for additional information.** the pilot's improper preflight planning and his decision to depart with known landing gear system mechanical deficiencies, which resulted in a…NTSB DEN02GA085Accident · 1 fatalFinal reportAerospatiale SA315B · Estes Park, COthe pilot's abrupt collective input during water application to a forest fire. Contributing factors were encountering a vortex ring state, the inadvertent settling with power, the low altitude, and the mountainous terrain.NTSB CHI02LA166Accident · 1 fatalLimited investigationFinal reportJacobs Rutan Vari Viggen · Urbana, ILThe pilot's failure to abort the takeoff. Additional factors included the partial loss of engine power due to an excessively rich mixture as a result of a bad accelerator pump housing seal, and the pilot failed to maintain control of the airplane.NTSB LAX02FA148Accident · 3 fatalField investigationFinal reportBeech C23 · Oak Shores, CAthe number 1 cylinder exhaust valve fractured and separated resulting in a loss of engine power and an off airport forced landing. A finding in the accident was the owner's failure to maintain the engine in accordance with the manufacturer's recommendations.NTSB NYC02FA068Accident · 1 fatalField investigationFinal reportCessna T210N · Teterboro, NJImproper maintenance by other maintenance personnel, which resulted in the air filter element being sucked into and blocking the turbocharger inlet, and a subsequent power loss. Factors in the accident were the pilot's failure to maintain airspeed and the…NTSB LAX01FA199Accident · 1 fatalField investigationFinal reportPiper PA-28-180 · Big Bear City, CAthe student pilot's selection of a takeoff runway conducive to a tailwind weather condition and his failure to maintain airspeed and his inadvertent stall during takeoff initial climb. Factors in the accident were the partial loss engine power resulting from…NTSB LAX00FA310Accident · 1 fatalField investigationFinal reportPiper PA-31-350 · Hilo, HIDeterioration and failure of the oil filter converter plate gasket, which resulted in a loss of engine power and a subsequent in-flight fire.NTSB LAX00GA297Accident · 1 fatalFinal reportBell 412 · Cold Springs, NVfailure of the compressor turbine disc due to cyclic fatigue brought about by repeated operation near or above the engines' temperature/power limits by company personnel over an extended period of time. Factors in the accident were: 1) the high density…NTSB NYC00LA141Accident · 1 fatalLimited investigationFinal reportCarlson Criquet · East Palestine, OHThe failure of the powerplant to produce adequate power for undetermined reasons, and the pilot's continued operation of the airplane with known deficiencies.NTSB DEN00FA007Accident · 1 fatalField investigationFinal reportGardner Varieze · Quemado, NMThe pilot's selection of an unsuitable landing area on which to make a precautionary landing, and his excessive airspeed during landing touchdown. Factors were the ingestion of the foam air filter into the throat of the injector, and the pilot's failure to…NTSB FTW99FA262Accident · 4 fatalField investigationFinal reportBeech A36TC · Franklinton, LAThe pilot's inadvertent stall while attempting to clear trees during a go-around. Factors were the pilot's misjudgment of the airplane's distance and speed during the precautionary landing and the partial loss of engine power due to a perforated piston.NTSB FTW99FA199Accident · 2 fatalField investigationFinal reportSmith, Ted Aerostar Aerostar 601P · Bethany, OKThe pilot's failure to maintain the minimum controllable airspeed. A factor was the disconnected rubber interconnect boot, which resulted in the partial loss of left engine power.NTSB SEA99FA113Accident · 1 fatalField investigationFinal reportAlexander VAN'S RV-8 · Lafayette, ORFatigue of the number two connecting rod end resulting in a fracture at the rod end and release from the crankshaft, an ensuing in-flight fuel fed fire, followed by the pilot's abandoning the aircraft in flight. A contributing factor was pressure on the pilot…NTSB CHI99FA163Accident · 4 fatalField investigationFinal reportCessna 421B · Jefferson City, MOthe pilot failed to maintain control of the airplane. A factor was the partial loss of power due to the exhaust valve fatigue failure.NTSB ATL99FA011Accident · 1 fatalField investigationFinal reportPiper PA-32R-300 · Roswell, GAA loss of engine power due to the failure of the number five connecting rod assembly as a result of fatigue cracks that were initiated in areas of galling. A factor was the lack of suitable terrain for a forced landing.NTSB MIA98FA250Accident · 5 fatalField investigationFinal reportPiper Aerostar 600 · N. Myrtle Beach, SCThe pilot's failure to maintain airspeed (Vs) during a single engine approach resulting in an inadvertent stall. Factors contributing to the accident were a fatigue crack in the exhaust pipe in the right engine, the aircraft weight and balance was exceeded,…NTSB NYC98FA179Accident · 1 fatalField investigationFinal reportSmith, Ted Aerostar TS-600 · Marietta, PAThe failure of the pilot to maintain airspeed during a precautionary landing which resulted in a loss of control while operating with one engine shutdown. An additional cause was the improper maintenance procedures that resulted in the #5 cylinder not being…NTSB MIA98FA200Accident · 1 fatalField investigationFinal reportPiper PA-31-310 · Miami, FLThe pilot's inadequate preflight inspection which led to fuel contamination and subsequent loss of engine power. Also causal was the pilot's failure to maintain single engine flying speed (VMC).NTSB FTW98FA186Accident · 2 fatalField investigationFinal reportFoster/Hilsman Q2 · Siloam Springs, ARThe pilot's failure to maintain aircraft control during the forced landing. Factors were the failure of the #4 cylinder head which resulted in a partial loss of engine power and the co-owners/builders' failure to perform a condition inspection of the…NTSB MIA98LA130Accident · 1 fatalLimited investigationFinal reportStarck Auriga · Collegedale, TNA leak in the electric fuel boost pump caused by an improperly sized 'O' ring installation and the pilot's failure to maintain airspeed during an approach to a forced landing resulting in a stall.NTSB ANC98FA019Accident · 1 fatalField investigationFinal reportCessna 207 · Homer, AKA fatigue failure, and partial separation of the number 6 engine cylinder head assembly, the operator's inadequate progressive inspection performed by company maintenance personnel, and the pilot's inadvertent stall during a maneuvering turn toward an…NTSB LAX98FA068Accident · 1 fatalField investigationFinal reportCessna 182P · Salinas, CAA loss of engine power due to a missing valve keeper. Also causal was the failure by engine maintenance personnel during engine top overhaul to install the second valve keeper in the No. 3 cylinder exhaust valve and the failure of inspection personnel to…NTSB CHI97LA284Accident · 2 fatalLimited investigationFinal reportNorth American-Aero Classics P-51D · Monroe, MIthe pilot operating the airplane with a known coolant leak, coolant exhaustion, overheating of the engine, and subsequent failure of a connecting rod, which resulted in a partial loss of engine power; and failure of the pilot to see the powerline. The…NTSB ANC97FA099Accident · 4 fatalField investigationFinal reportde Havilland DHC-2 · Skwentna, AKa loss of engine power due to the fatigue failure of the no.1 exhaust push rod. Factors contributing to the accident were: insufficient information on pushrod inspection and overhaul from the manufacturer, unsuitable terrain available for landing, and the…NTSB CHI97FA093Accident · 1 fatalField investigationFinal reportStinson 108 · Greenfield, INa loss of engine power due to restricted movement in the exhaust valve and rotted/weathered ignition harness, and the pilot's failure to maintain airspeed which resulted in an inadvertant stall.NTSB ANC96FA162Accident · 3 fatalField investigationFinal reportCessna 206G · Anchorage, AKimproper installation of a connecting bolt in the throttle linkage, which resulted in a worn/disconnected throttle arm, partial loss of engine power, and a forced landing after takeoff.NTSB CHI96FA348Accident · 1 fatalField investigationFinal reportCessna 172F · Saint Clair, MNa loss of power due to the engine's #2 cylinder exhaust valve stuck open, and the pilot's failure to maintain airspeed.NTSB ATL96FA095Accident · 5 fatalField investigationFinal reportPiper PA-23-250 · Clanton, ALcorrosion pitting of the number six cylinder on the left engine, and subsequent fatigue fracture and separation of the cylinder, which led to an engine compartment fire, wing fire, and an in-flight separation of the left wing.NTSB MIA96GA138Accident · 1 fatalFinal reportWsk Pzl Mielec M18A · Kinston, NCa cracked/fractured #5 cylinder and subsequent failure/jamming of the #5 exhaust valve, which resulted in a partial loss of engine power; and failure of the pilot to maintain adequate airspeed, which resulted in a stall and collision with the terrain. Factors…NTSB CHI96FA146Accident · 3 fatalField investigationFinal reportCessna 421 · Bernard, IAthe pilot's operation of the airplane with known deficiencies, subsequent loss of oil from the left engine, and the pilot's failure to maintain minimum controllable airspeed (VMC), while diverting to an alternate airport. Factors relating to the accident…NTSB ANC96FA059Accident · 1 fatalField investigationFinal reportCessna 150 · Palmer, AKloss of engine power due to a malfunction of the airplane's magneto ignition system, and the pilot's failure to have an annual inspection performed. Factors relating to the accident were: the pilot's lack of recent experience and inadequate in-flight planning…NTSB LAX96LA152Accident · 1 fatalLimited investigationFinal reportPowell Glasair · Groveland, CAthe pilot's decision to fly the aircraft with a known mechanical discrepancy in the throttle linkage, which resulted in a partial loss of engine power; and his failure to maintain an adequate airspeed while maneuvering for an emergency landing, which resulted…NTSB LAX96LA085Accident · 1 fatalLimited investigationFinal reportKlingberg Miniplane DSA-1 · El Cajon, CAthe pilot's intentional operation of the aircraft with known mechanical deficiencies in the engine, and his failure to maintain an adequate airspeed while maneuvering for a forced landing, which resulted in an inadvertent stall/spin.NTSB ATL96FA021Accident · 2 fatalField investigationFinal reportMooney M20J · Bay Minette, ALfailure of the alternate air door, which resulted in blockage of air through the induction system. A factor relating to the accident was: failure to comply with Safety Bulletin SB-M20-253.