NTSB investigations, 2021
78 cases where the defining event was Loss of engine power (partial).
Cases per year
| 2008 | 75 |
|---|---|
| 2009 | 75 |
| 2010 | 78 |
| 2011 | 88 |
| 2012 | 95 |
| 2013 | 62 |
| 2014 | 88 |
| 2015 | 89 |
| 2016 | 82 |
| 2017 | 66 |
| 2018 | 77 |
| 2019 | 81 |
| 2020 | 58 |
| 2021 | 78 |
| 2022 | 53 |
| 2023 | 64 |
| 2024 | 69 |
| 2025 | 80 |
| 2026 | 61 |
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\") = 2021
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"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") = 2021 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
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 GAA22WA065AccidentClass 5 · ForeignCessna 172L · Koggala, Sri LankaNTSB GAA22WA073Incident · No injuriesClass 5 · ForeignPiper PA38 · Katukurunda, Sri LankaNTSB GAA22WA044Accident · No injuriesClass 5 · ForeignBell 206 · Midrand, South AfricaNTSB WPR22LA060Accident · No injuriesClass 3 · LimitedFinal reportCessna P210N · Hillsboro, ORThe on-ground collision with a tree during an off airport precautionary landing. Contributing was the partial loss of engine power for undetermined reasons.NTSB ANC22LA008Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18 · Palmer, AKThe pilot’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice, which resulted in a partial loss of engine power, off-airport landing, and nose over.NTSB ENG22WA005IncidentClass 5 · ForeignBoeing 737 · Owerri, NigeriaNTSB WPR22LA035Accident · Minor injuriesClass 3 · LimitedFinal reportSonex Waiex B · Laveen Village, AZFailure of the rocker swivel assembly due to either wear or corrosion, which resulted in a loss of engine power.NTSB GAA22WA025Accident · Serious injuriesClass 5 · ForeignCessna 182P · Tulisa Park, South AfricaNTSB GAA22WA016Accident · No injuriesClass 5 · ForeignRotoway International Executive 162F · Cape Town, South AfricaNTSB ENG22WA039IncidentClass 5 · ForeignBoeing 767 · São Tomé, São Tomé e Príncipe, São Tomé & PríncipeNTSB CEN22LA010Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-24 · Loveland, COThe pilot’s failure to recognize the degraded engine power and abort the takeoff in a timely manner.NTSB CEN22LA002Accident · Minor injuriesClass 3 · LimitedFinal reportBeech B23 · Lamesa, TXThe loss of engine power for a reason that could not be determined.NTSB WPR21LA351Accident · No injuriesClass 4 · LimitedFinal reportGeorge A. Thiel Just Aircraft Highlander · Monroe, WAThe in-flight malfunction of the throttle control pivot arm, which resulted in a total loss of engine power and the subsequent collision with terrain during the forced landing.NTSB GAA21WA257AccidentClass 5 · ForeignPiper PA28 · Llico, ChileNTSB ENG21WA043IncidentClass 5 · ForeignBoeing 767-34AF · Bogota, ColombiaNTSB ENG21WA042IncidentClass 5 · ForeignBoeing 737 · Addis Ababa, NigeriaNTSB ERA21LA368Accident · No injuriesClass 3 · LimitedFinal reportHughes 369 · Ash, NCA partial loss of engine power due to corrosion and erosion damage to the engine’s compressor section components.NTSB ERA21LA361Accident · Minor injuriesClass 3 · LimitedFinal reportBeech C24R · Augustine, FLImproperly installed fuel injection system components, which resulted in a partial loss of engine power shortly after takeoff.NTSB WPR21FA340Accident · 1 fatalClass 3 · FieldFinal reportCessna 177RG · Lake Havasu City, AZA partial loss of engine power during the airplane's initial climb due to wear of internal engine components, which prevented the engine from developing full-rated power and resulted in a loss of altitude.NTSB GAA21WA215Accident · No injuriesClass 5 · ForeignCessna 206 · Vereda La Pollata, Villavicencio, ColombiaNTSB CEN21LA391Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 320 · Windthorst, TXA forced landing due to a loss of engine power on the right engine for a reason that could not be determined based on the available evidence.NTSB GAA21WA219Accident · Minor injuriesClass 5 · ForeignRobinson R22 · Limpopo Providance, South AfricaNTSB ERA21FA333Accident · 2 fatalClass 3 · FieldFinal reportPiper PA24 · Wadesboro, NCA partial loss of engine power during takeoff for reasons that could not be determined. Contributing was the pilot’s loss of airplane control, resulting in an aerodynamic stall and impact with trees and terrain.NTSB CEN21LA375Accident · No injuriesClass 3 · LimitedFinal reportHaley Highlander · Waller, TXA loss of engine power due to fuel exhaustion.NTSB GAA21WA263Accident · No injuriesClass 5 · ForeignPiper PA-30 · Saint-Honorat, FranceNTSB ENG21WA035Incident · No injuriesClass 5 · ForeignAirbus A320 · Budapest, HungaryNTSB ENG21WA036Incident · No injuriesClass 4 · ForeignRockwell 690 · Puerto La Cruz, VenezuelaNTSB GAA21WA199Accident · Serious injuriesClass 5 · ForeignWaco YMF5-C · Yvoy-le-Marron, FranceNTSB ANC21LA068Accident · No injuriesClass 3 · LimitedFinal reportStinson 108-1 · Sterling, AKInsufficient available power as a result of low compression in three engine cylinders. Contributing to the accident was the pilot’s decision to takeoff with a slight quartering tailwind.NTSB DCA21WA191Incident · No injuriesClass 5 · ForeignBAE RJ85 · Santa Cruz de la Sierra, BoliviaNTSB ERA21FA308Accident · Serious injuriesClass 3 · FieldFinal reportRyan Navion · Pensacola, FLA partial loss of engine power during the initial climb, which resulted in a forced, off-airport landing and impact with trees and a fence.NTSB ERA21LA304Accident · Minor injuriesClass 3 · LimitedFinal reportBoeing B75N1 · Lexington, KYA loss of engine power for undetermined reasons.NTSB GAA21WA185Accident · Minor injuriesClass 5 · ForeignCessna 206 · Sonana, ColombiaNTSB ERA21LA297Accident · No injuriesClass 3 · LimitedFinal reportCessna 150 · Arden, NCThe inadequate inspection of the throttle control cable assembly, which resulted in a partial loss of engine power during cruise flight.NTSB GAA21WA184Accident · No injuriesClass 5 · ForeignCessna 172 · Almoguera, SpainNTSB ANC21LA061Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Skwentna, AKA partial loss of engine power due to detonation/preignition damage to the No. 2 cylinder. The reason for the detonation/preignition damage could not be determined based on the available evidence.NTSB WPR21FA272Accident · 4 fatalClass 3 · FieldFinal reportMooney M20J · Dinsmore, CAThe airplane’s degraded engine performance due to wear to the intake cam lobes, which diminished the airplane’s takeoff and climb performance, resulting in a subsequent collision with trees.NTSB GAA21WA166Accident · Serious injuriesClass 5 · ForeignRobinson R44 · Mikolajki, PolandNTSB ERA21LA287Accident · No injuriesClass 3 · LimitedFinal reportPiper PA46-500TP · Manteo, NCThe improperly secured pneumatic compressor discharge air (P3) line coupling nut on the engine, which ultimately allowed the nut to back off resulting in a partial loss of engine power.NTSB DCA21FA174Accident · Serious injuriesClass 2 · FieldFinal reportBoeing 737-275C · Honolulu, HIThe flight crewmembers’ misidentification of the damaged engine (after leveling off the airplane and reducing thrust) and their use of only the damaged engine for thrust during the remainder of the flight, resulting in an unintentional descent and forced…NTSB WPR21LA264Accident · No injuriesClass 4 · LimitedFinal reportChristen Industries A-1 · Twin Falls, IDPartial loss of engine power during a low pass, due to carburetor icing and the pilot’s failure to use carburetor heat during the landing approach.NTSB CEN21LA294Accident · No injuriesClass 3 · LimitedFinal reportConsolidated Aeronautics Lake LA-4-200 · Mio, MIThe pilot’s failure to abort the takeoff roll when the engine did not produce full power.NTSB CEN21LA293Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Porter, TXThe pilot’s decision to continue the takeoff with degraded engine performance, which resulted in an inability to climb and a subsequent forced landing. The reason for the engine’s degraded performance could not be determined based on available information.NTSB GAA21WA159Accident · No injuriesClass 5 · ForeignBeech 36 · Neubrandenburg, GermanyNTSB ERA21FA263Accident · 1 fatalClass 3 · FieldFinal reportCirrus SR22 · Mercer, TNA partial loss of engine power due to foreign object debris contamination of the left turbocharger wastegate. Contributing to the accident was the pilot’s failure to divert to the nearest airport.NTSB CEN21LA273Accident · No injuriesClass 3 · LimitedFinal reportTony Dubeansky RV10 · Fort Worth, TXA partial loss of engine power due to a separated electronic ignition system connector. Contributing to the accident was the location of the ignition boxes, which provided limited access to the connectors for visual inspection.NTSB CEN21LA271Accident · Minor injuriesClass 3 · LimitedFinal reportCessna T210L · Buena Vista, COThe partial loss of engine power due to a vane failure in the engine-driven fuel pump.NTSB WPR21FA223Accident · 1 fatalClass 3 · FieldFinal reportVans RV6 · Porterville, CAA loss of engine power for reasons that could not be determined based on available information.NTSB GAA21WA134Incident · No injuriesClass 5 · ForeignCessna 180 · RPSU-Porec, CroatiaNTSB WPR21LA212Accident · No injuriesClass 3 · LimitedFinal reportMaule M-5-235C · Stanley, IDThe pilot’s failure to use carburetor heat in weather conditions conducive to carburetor icing, resulting in a partial loss of engine power and a forced landing during which the airplane struck an object and nosed over.