NTSB investigations, 2020
72 cases where the sequence of events included Loss of engine power (partial).
Cases per year
| 2008 | 99 |
|---|---|
| 2009 | 116 |
| 2010 | 105 |
| 2011 | 118 |
| 2012 | 124 |
| 2013 | 82 |
| 2014 | 114 |
| 2015 | 115 |
| 2016 | 108 |
| 2017 | 99 |
| 2018 | 98 |
| 2019 | 105 |
| 2020 | 72 |
| 2021 | 111 |
| 2022 | 80 |
| 2023 | 75 |
| 2024 | 81 |
| 2025 | 88 |
| 2026 | 68 |
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 year(c.\"eventDate\") = 2020
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '342' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\"))
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 year(c."eventDate") = 2020 AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '342' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) 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 WPR21LA069Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · San Diego, CAA partial loss of engine power due to the fatigue fracture of the No. 3 exhaust valve rocker arm stud.NTSB CEN21LA078Accident · Serious injuriesClass 3 · LimitedFinal reportVans RV4 · Sadler, TXThe partial loss of engine power for reasons that could not be determined based on the available evidence.NTSB CEN21LA072Accident · No injuriesClass 3 · LimitedFinal reportGrumman G164 · Elton, LAThe 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 based on available evidence.NTSB ERA21LA052Accident · 1 fatalClass 3 · LimitedFinal reportLancair Legacy FG · Hollywood, FLThe pilot/owner’s failure to properly reinstall the number 1 cylinder spark plug, which resulted in a partial loss of engine power during the initial climb. Contributing was the pilot's exceedance of the airplane’s critical angle of attack during an attempted…NTSB WPR21LA071Accident · Minor injuriesClass 3 · LimitedFinal reportCo Z Cozy · Compton, CAThe partial loss of engine power due to an improperly installed sparkplug.NTSB WPR21LA052Accident · Minor injuriesClass 3 · LimitedFinal reportBellanca 7GCBC · Fallbrook, CAA partial loss of engine power for reasons that could not be determined with the available evidence.NTSB WPR21FA045Accident · 2 fatalClass 3 · FieldFinal reportCessna 177 · Langley, WAThe flight instructor’s failure to maintain airspeed, which resulted in an aerodynamic stall and subsequent loss of control while attempting to conduct an emergency landing. Contributing to the accident was a total loss of engine power as a result of…NTSB CEN21LA048Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Greenville, MIThe loss of engine power due to fuel starvation during a low approach over the airport, which resulted in a forced landing and impact with terrain.NTSB CEN21LA047Accident · Serious injuriesClass 3 · LimitedFinal reportErcoupe 415 · Ardmore, OKThe pilot’s improper decision to takeoff with 3 persons in a 2-place airplane and over maximum gross weight, and his failure to apply carburetor heat when the airplane’s engine experienced carburetor ice and a partial loss of power.NTSB WPR21LA030Accident · 2 fatalClass 3 · LimitedFinal reportCessna 310 · Las Vegas, NVThe pilot’s failure to maintain the airplane’s minimum controllable airspeed while maneuvering with one engine inoperative. Also causal was the loss of power in the left engine due to oil starvation. Contributing to the accident were inadequate maintenance…NTSB ANC21LA003Accident · No injuriesClass 3 · LimitedFinal reportHughes 369 · Honolulu, HIA partial loss of engine power due to an obstructed fuel line as a result of the separation of the circlip from the pin used on the fuel start pump. The reason for the circlip separation could not be determined based on the available evidence.NTSB CEN21LA035Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Crystal Beach, TXThe partial loss of engine power for reasons that could not be determined.NTSB ERA21LA030Accident · Minor injuriesClass 3 · LimitedFinal reportGrumman AA5 · Baxley, GAA partial loss of engine power for undetermined reasons.NTSB ENG21WA004IncidentClass 5 · ForeignAirbus A320 · Brisbane, AustraliaNTSB WPR21LA020Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-180 · Show Low, AZA partial loss of engine power due to the failure of the No. 4 cylinder exhaust valve.NTSB WPR21LA017Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Puyallup, WAA partial loss of engine power as a result of carburetor icing and the flight instructors failure to use carburetor heat.NTSB ERA21LA019Accident · No injuriesClass 3 · LimitedFinal reportPiper PA32 · Atlanta, GAA partial loss of engine power during takeoff due to a right magneto anomaly, which resulted in the pilot’s decision to abort the takeoff and the subsequent runway excursion.NTSB CEN21LA001Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 210 · Cedaredge, COA partial loss of engine power for reasons that could not be determined based on available evidence.NTSB CEN21LA002Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Byers, COA partial loss of engine power for undetermined reasons.NTSB WPR21LA008Accident · No injuriesClass 3 · LimitedFinal reportCessna 180 · Princeton, ORThe pilot’s failure to enrichen the mixture, which resulted in a partial loss of engine power.NTSB ENG21WA002IncidentClass 5 · ForeignAirbus A330 · Nawabshah, PakistanNTSB ERA20LA341Accident · No injuriesClass 3 · LimitedFinal reportTecnam P92 · Centerville, MDThe fatigue failure of the No. 1 cylinder exhaust valve spring retainer due to air trapped in the lubrication system, which resulted in a total loss of engine power.NTSB CEN20LA424Accident · Serious injuriesClass 3 · LimitedFinal reportKitfox Speedster · Leadville, COA partial loss of engine power due to fuel starvation as a result of the pilot’s improper maintenance.NTSB ERA20LA326Accident · Serious injuriesClass 3 · LimitedFinal reportStearman E75 · Honea Path, SCThe partial loss of engine power due to the fatigue failure of an engine cylinder and the pilot’s subsequent decision to overfly several suitable forced-landing sites while attempting to return to the departure airstrip.NTSB CEN20LA403Accident · No injuriesClass 3 · LimitedFinal reportCessna 177RG · Palatine, ILThe loss of partial engine power due to fuel starvation during departure which resulted in a forced landing and collision with a utility pole.NTSB WPR20LA308Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA 30 · Billings, MTThe pilot’s improper fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.NTSB ERA20LA302Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28R · Fletcher, NCA partial loss of engine power for reasons that could not be determined based on available evidence.NTSB CEN20LA361Accident · No injuriesClass 3 · LimitedFinal reportCessna R182 · Crowley, LAThe failure of the No. 4 cylinder exhaust valve that resulted in a partial loss of engine power. Based on available evidence, the reason for the failed valve was not determined.NTSB ERA20LA295Accident · No injuriesClass 3 · LimitedFinal reportAeronca 11AC · Nebo, NCA leak in the main fuel tank that resulted in a total loss of engine power due to fuel starvation.NTSB ERA20LA290Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA32 · Tallahassee, FLA partial loss of engine power on takeoff due to an intermittently blocked fuel injector on the number 3 cylinder.NTSB ERA20LA287Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA34 · Groton, CTThe reported partial loss of right engine power for reasons that could not be determined based on available evidence.NTSB ERA20LA286Accident · Minor injuriesClass 3 · LimitedFinal reportJust JA 30 Superstol · Clover, SCThe separation of a spark plug lead, resulting in a partial loss of engine power and collision with trees.NTSB CEN20LA343Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA18 · Brandon, MNThe partial loss of engine power during takeoff due to carburetor icing.NTSB WPR20LA258Accident · Serious injuriesClass 3 · LimitedFinal reportCessna T210 · Hanna, UTThe pilot’s failure to maintain sufficient airspeed after a partial loss of power for undetermined reasons, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall from which the pilot could not recover.NTSB ERA20LA277Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA28 · St. Agatha, METhe failure of the crankshaft gear alignment dowel due to fatigue crack propagation and overstress, which resulted in a partial loss of engine power.NTSB WPR20LA235Accident · No injuriesClass 3 · LimitedFinal reportMcdonnell Douglas 600 · Thompson Falls, MTA partial loss of engine power for reasons that could not be determined based on available evidence.NTSB CEN20LA292Accident · No injuriesClass 3 · LimitedFinal reportBeech A23-24 · Burns Flat, OKThe mechanic’s improper maintenance when he reinstalled the fuel servo during the last annual inspection, which resulted in a loss of engine power during cruise flight when the throttle control rod-end disconnected from the fuel servo throttle linkage.NTSB CEN20LA291Accident · No injuriesClass 3 · LimitedFinal reportCessna 140 · Arlington, TXThe pilot's failure to maintain directional control during a forced landing with a quartering tailwind, following a partial loss of engine power due to carburetor icing.NTSB WPR20LA225Accident · No injuriesClass 3 · LimitedFinal reportVans RV 8 · Grimes, CAA partial loss of engine power for reasons that could not be determined because the airplane was not examined.NTSB CEN20LA282Accident · No injuriesClass 3 · LimitedFinal reportRobinson R22 · Venice, LAA partial loss of engine power for reasons that could not be determined based on available evidence.NTSB WPR20LA212Accident · 2 fatalClass 3 · LimitedFinal reportCessna 172 · Lake Tahoe, CAThe partial loss of engine power due to carbon buildup in the No. 4 cylinder resulting from the pilot’s inadequate mixture-leaning procedures.NTSB CEN20LA262Accident · Minor injuriesClass 3 · LimitedFinal reportBeech F35 · Ravenna, TXElectrical and engine problems for reasons that could not be determined based on available evidence.NTSB CEN20LA260Accident · No injuriesClass 3 · LimitedFinal reportChampion 7EC · Port O'Conner, TXThe loss of engine power due to a stuck intake valve.NTSB CEN20LA286Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson R44 · Welsh, LAA partial loss of engine power while in flight due to corrosion of engine components, which resulted in a loss of control and a subsequent impact with terrain.NTSB CEN20LA256Accident · 1 fatalClass 3 · LimitedFinal reportCessna 320 · Round Rock, TXImproper maintenance that led to a loss of engine power due to a failed left engine magneto, the pilot’s improper application of single engine emergency procedures, and his failure to maintain control of the airplane which resulted in a collision with trees.NTSB ANC20WA101AccidentClass 4 · ForeignBell 204 · Hyogo Prefecture, JapanNTSB CEN20LA239Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 150 · Millersport, OHThe loss of engine power for reasons that could not be determined based on the available information.NTSB CEN20LA234Accident · Serious injuriesClass 3 · LimitedFinal reportAir Tractor AT402 · Pine Bluff, ARThe pilot’s exceedance of the airplane’s critical angle of attack, which led to an aerodynamic stall and a loss of airplane control. Contributing was a partial loss of engine power for undetermined reasons.NTSB ERA20LA213Accident · Serious injuriesClass 3 · LimitedFinal reportVans RV8 · Hampton, GAThe pilot’s excessive maneuvering at low altitude following a partial loss of engine power which resulted in an aerodynamic stall and collision with terrain.NTSB CEN20LA219Accident · 1 fatalClass 3 · LimitedFinal reportFlight Design Ctls · Beecher, ILThe pilot’s decision to continue takeoff after a partial loss of engine power, and the pilot’s subsequent failure to control airplane pitch during a forced landing. Contributing to the accident was the partial loss of engine power for reasons that could not…