NTSB investigations

68 cases where NTSB found Engine exhaust.

Cases per year

20082026
NTSB investigations per year, 2008–2026: 68 cases
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Latest 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.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '010578'))
  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.

NTSB CEN25LA225Accident · No injuriesClass 3 · LimitedFinal reportTecnam P2010 · Temple, TXThe loss of engine power due to a failed muffler flame tube assembly which resulted in an exhaust blockage.Jun 26, 2025 · N258CM · Substantial damageNTSB ERA25LA159Accident · No injuriesClass 3 · LimitedFinal reportSilvaire Luscombe 8A · New Port Richey, FLMaintenance personnel’s inadequate inspection of the exhaust system, which allowed exhaust gases to enter the induction system from cracks in the exhaust manifold, resulting in a total loss of engine power and a subsequent forced landing.Mar 27, 2025 · N28790 · Substantial damageNTSB ERA24LA276Accident · Minor injuriesClass 3 · LimitedFinal reportSnyder Searey · New Ipswich, NHA total loss of engine power due to the exhaust muffler and tailpipe assembly separating from its attach points and impacting the propeller.Jun 25, 2024 · N453TS · Substantial damageNTSB CEN24LA145Accident · Minor injuriesClass 3 · LimitedFinal reportMooney M20E · Alpine, ARThe improper maintenance of the cabin air and exhaust system which resulted in a cracked exhaust pipe and damaged cabin air tubing, and the subsequent elevated carbon monoxide levels in the cockpit and a forced landing to unsuitable terrain after the pilot…Apr 2, 2024 · N86UM · Substantial damageNTSB ERA24LA144Accident · No injuriesClass 3 · LimitedFinal reportGlasair Sportsman 2+2 · Fort Meade, FLThe pilot’s inadequate inspection of the airplane following an inflight smoke event, which result in separation of the exhaust pipe and hot exhaust igniting the engine cowling, and a subsequent loss of engine power.Mar 14, 2024 · N76TG · DestroyedNTSB ANC24LA005Accident · Serious injuriesClass 3 · LimitedFinal reportDiamond Aircraft Ind DA 40 · Kapolei, HIA partial loss of engine power due to lose baffling from the muffler, which resulted in an obstruction of the exhaust system.Dec 4, 2023 · N691YW · Substantial damageNTSB CEN23LA418Accident · Minor injuriesClass 3 · LimitedFinal reportBeech C23 · Gonzales, TXThe loss of engine power during go-around due to a failed muffler flame tube, which resulted in an exhaust blockage. Contributing to the accident was maintenance personnel's inadequate inspection of the exhaust system during the most recent maintenance.Sep 24, 2023 · N18994 · Substantial damageNTSB ERA23LA261Accident · No injuriesClass 3 · LimitedFinal reportDassault-Breguet Falcon 10 · Panama City, FLThe flight crew’s failure to appropriately configure the airplane for landing, which resulted in a failed attempt to utilize the thrust reversers during landing and the inability to stop the airplane using its brakes due to increased forward thrust.…Jun 7, 2023 · N87RT · Substantial damageNTSB CEN22LA256Accident · No injuriesClass 3 · LimitedFinal reportBellanca 17-30A · Madison, MSThe failure of a muffler weld due to inadequate maintenance, which resulted in a fire.Jun 16, 2022 · N39880 · Substantial damageNTSB CEN22LA253Accident · Serious injuriesClass 3 · LimitedFinal reportCessna T206H · Austin, TXA total loss of engine power due to an engine fire that resulted from failure of the turbocharger exhaust clamp, which allowed hot exhaust gases to damage other vital engine components.Jun 16, 2022 · N52854 · Substantial damageNTSB ERA22LA224Accident · Minor injuriesClass 3 · LimitedFinal reportAir Tractor AT-301 · Somerville, TNThe inadequate inspection and maintenance of the engine exhaust system, which resulted in an in-flight fire.May 11, 2022 · N31580 · Substantial damageNTSB ERA22FA114Accident · 1 fatalClass 3 · FieldFinal reportCessna 310 · Danville, VAThe pilot’s impairment due to exposure to carbon monoxide as a result of undetected engine exhaust penetration into the cockpit, resulting in the pilot's failure to maintain a minimum controllable airspeed after partially securing an engine after takeoff.Feb 1, 2022 · N622QT · DestroyedNTSB WPR22LA080Accident · Serious injuriesClass 3 · LimitedFinal reportWalter Tachiki Tachiki 750 Cruzer · Spanish Fork, UTA partial loss of engine power due to an obstructed catalytic converter, which most likely resulted from the pilot’s failure to properly repair or replace it after it was likely damaged during a previous incident. Contributing to the accident was the pilot’s…Jan 14, 2022 · N145WT · Substantial damageNTSB CEN21LA379Accident · No injuriesClass 3 · LimitedFinal reportDiamond Aircraft Industries DA-42 · Bellefontaine, OHThe improper position of the right engine’s fuel feed pump bolt, which led to a total loss of power on the right engine, and the left engine's partial loss of engine power for reasons that could not be determined based on the available evidence.Aug 17, 2021 · N215BN · Substantial damageNTSB WPR21LA250Accident · No injuriesClass 3 · LimitedFinal reportL-Bird CCX-2000 · Hood River, ORThe total loss of engine power due to improper construction of the muffler, which resulted in separation of the internal components.Jun 28, 2021 · N10TA · Substantial damageNTSB ERA21FA253Accident · 1 fatalClass 3 · FieldFinal reportVans RV6 · Buckingham, PAAn exhaust system leak that resulted in failure of the oil quick drain, a loss of oil lubrication, an in-flight fire, and the pilot’s subsequent loss of airplane control.Jun 15, 2021 · N74MS · Substantial damageNTSB ENG21LA013IncidentClass 3 · LimitedFinal reportBoeing 767-338 · Ontario, CAThe fatigue fracture and liberation of two airfoils from a low pressure turbine stage 5 nozzle segment that impacted and damaged the downstream low pressure stage 5 blades creating an initial imbalance load in the engine’s low pressure turbine rotor…Jan 29, 2021 · N363CM · Minor damageNTSB CEN21LA070Accident · 2 fatalClass 3 · LimitedFinal reportPiper PA38 · Franklin, ARThe impairment of both pilots from carbon monoxide exposure due to a degraded muffler. Contributing to the accident was the inadequate maintenance inspection, which failed to detect the degraded muffler.Nov 30, 2020 · N9879T · DestroyedNTSB 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.Jul 1, 2020 · N19AS · DestroyedNTSB ERA20FA068Accident · 1 fatalClass 3 · FieldFinal reportCessna 172 · Newborn, GAThe pilot’s impairment/incapacitation from carbon monoxide poisoning due to a degraded muffler. Contributing to the accident was the pilot’s failure to properly maintain the airplane.Jan 6, 2020 · N1612F · DestroyedNTSB WPR20LA033Accident · No injuriesClass 3 · LimitedFinal reportBeech 35 · Caldwell, IDThe total loss of engine power due to the separation of the wastegate exhaust elbow.Nov 23, 2019 · N7956M · Substantial damageNTSB ERA20FA031Accident · 1 fatalClass 3 · FieldFinal reportCessna 150 · New Bedford, MAPilot impairment due to exposure to carbon monoxide as a result of undetected corrosion and holes in the engine’s left exhaust muffler.Nov 4, 2019 · N714LK · DestroyedNTSB WPR19FA178Accident · 1 fatalClass 2 · FieldFinal reportMaule M7-235B · Sunriver, ORA partial loss of engine power due to the separation of baffling in both mufflers. Contributing to the accident was the pilot's failure to retract the landing gear on the float-equipped airplane before performing a forced landing to the river.Jun 22, 2019 · N118G · Substantial damageNTSB CEN19LA146Accident · No injuriesClass 3 · LimitedFinal reportSikorsky S76 · Morrilton, ARThe improper securing of the exhaust duct bolts, which resulted in the duct becoming unseated and substantial heat damage to the tail rotor drive shaft.May 15, 2019 · N761AF · Substantial damageNTSB WPR19FA022Accident · 4 fatalClass 2 · FieldFinal reportPiper PA28 · Guthrie Center, IAPilot incapacitation due to carbon monoxide poisoning as a result of an undetected crack in an engine exhaust muffler, which permitted entry of exhaust gasses into the cabin via the cabin heat system.Nov 9, 2018 · N91770 · Substantial damageNTSB WPR19LA010Accident · Serious injuriesLimited investigationFinal reportPiper PA46 · Hurricane, UTThe mechanic’s failure to properly align the engine exhaust crossover pipe during replacement, and his supervisor’s failure to properly inspect the installation, which resulted in an in-flight fire and the loss of engine power.Oct 21, 2018 · N413LL · Substantial damageNTSB CEN18LA392Accident · No injuriesLimited investigationFinal reportCirrus SR22 · Addison, TXMaintenance personnel’s improper installation of the muffler attachment hardware, which resulted in the muffler separating in flight, thermal damage that interrupted the magnetos’ function, and the subsequent total loss of engine power.Sep 30, 2018 · N818GM · Substantial damageNTSB ERA18LA214Accident · No injuriesClass 3 · LimitedFinal reportPipistrel Sinus 912 · West Palm Beach, FLThe fatigue failure of the exhaust system manifold, which resulted in a ground fire after landing.Aug 12, 2018 · N467L · DestroyedNTSB CEN18LA284Accident · No injuriesLimited investigationFinal reportToomey Quickie · Zanesville, OHThe failure of the exhaust manifold and a loose mixture screw, which resulted in a partial loss of engine power.Jul 19, 2018 · N23JH · Substantial damageNTSB ERA18FA146Accident · 1 fatalField investigationFinal reportBeech 35A33 · Jacksonville, ALThe pilot/mechanic's inadequate inspection of the exhaust system, including the left muffler and heat exchanger, which precluded his detection of preexisting cracks and led to a missed opportunity to replace the components. The inadequate inspection allowed…May 13, 2018 · N486T · DestroyedNTSB WPR17LA175Accident · Serious injuriesLimited investigationFinal reportGrumman AA1 · Phoenix, AZThe partial loss of engine power during initial climb due to the No. 3 cylinder exhaust valve becoming stuck open due to deposit buildup in the exhaust valve stem and guide and the pilot’s exceedance of the airplane’s critical angle of attack while attempting…Aug 1, 2017 · N6216L · Substantial damageNTSB CEN17FA207Accident · 1 fatalField investigationFinal reportVarga 2150A · Bowling Green, OHThe pilot's loss of control due to impairment from carbon monoxide poisoning. Contributing to the accident was the corrosion of the heat exchanger and the failure of maintenance personnel to adequately inspect and repair or replace the exchanger during the…Jun 1, 2017 · N4635V · Substantial damageNTSB CEN17LA101Accident · Serious injuriesLimited investigationFinal reportMooney M20C · Ellendale, MNThe pilot’s incapacitation from carbon monoxide poisoning in flight due to cracks in the exhaust muffler, which resulted in the airplane’s continued flight until it ran out of fuel and its subsequent collision with terrain.Feb 3, 2017 · N9149V · Substantial damageNTSB ANC16FA065Accident · 1 fatalField investigationFinal reportHefty Polar Cub · Anchorage, AKThe pilot's severe impairment from carbon monoxide poisoning in flight, which resulted in a loss of control and a subsequent collision with trees and terrain.Sep 11, 2016 · N62905 · DestroyedNTSB CEN16IA238Incident · No injuriesIncident investigationFinal reportEnstrom 280 · Zeeland, MIThe exhaust band clamp failure, which resulted in an engine fire due to hot exhaust gases entering the engine compartment.Jun 27, 2016 · N518EG · Minor damageNTSB ERA16FA185Accident · 4 fatalField investigationFinal reportBeech A36TC · Tupelo, MSA preexisting stress rupture that initiated at a spot weld in the turbocharger v-band exhaust clamp, which resulted in the failure of the clamp and separation of the exhaust tailpipe, an in-flight fire, and subsequent impact with terrain.May 16, 2016 · N60RW · DestroyedNTSB CEN16LA151Accident · No injuriesLimited investigationFinal reportCirrus Design SR20 · Caldwell, TXThe failure of the No. 5 cylinder's exhaust pipe for undetermined reasons, which resulted in a partial loss of engine power. Contributing to the accident was the pilot’s fast and long landing, which led to a runway overrun.Apr 10, 2016 · N8PY · Substantial damageNTSB CEN16FA130Accident · 1 fatalField investigationFinal reportAeronca 7AC · Ellsworth, NEThe pilot's impairment due to carbon monoxide poisoning from a known cracked engine exhaust muffler, which resulted in a loss of aircraft control. Contributing to the accident was the pilot's decision to continue flying the airplane without properly repairing…Mar 20, 2016 · N84580 · DestroyedNTSB ERA16LA053Accident · Serious injuriesLimited investigationFinal reportPiper PA-32 · Opa Locka, FLMaintenance personnel's inadequate inspection of the exhaust system, which resulted in the escape of exhaust gases into the engine compartment and a subsequent total loss of engine power.Dec 1, 2015 · N5568J · Substantial damageNTSB CEN15LA402Accident · Serious injuriesLimited investigationFinal reportViking Dragonfly · Freeport, ILThe airplane’s degraded climb performance due to its being over its maximum gross weight and a hole in the engine exhaust.Sep 8, 2015 · N24TL · Substantial damageNTSB WPR15LA180Accident · No injuriesLimited investigationFinal reportMooney M20C · Reno, NVThe in-flight separation of the exhaust tube at a weld joint due to erosion and corrosion, which resulted in a subsequent in-flight fire.Jun 8, 2015 · N7887V · DestroyedNTSB WPR14LA394Accident · No injuriesLimited investigationFinal reportLorentzen Lancair Legacy · Reno, NVThe shearing of mounting bolts that attached the right turbocharger to its mounting bracket during an air race, which resulted in hot exhaust gases leaking into the engine compartment and starting a fire.Sep 13, 2014 · N368W · Substantial damageNTSB WPR14LA249Accident · No injuriesLimited investigationFinal reportPiper PA 28-180 · Quincy, CAThe 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…Jun 15, 2014 · N4931L · Substantial damageNTSB WPR14TA236Accident · No injuriesFinal reportMcdonnell Douglas Helicopter 369E · Mesa, AZThe loss of engine power during cruise flight due to the decoupling of the engine’s turbine and compressor sections. Contributing to the decoupling was the excessive wear of the turbine-to-compressor coupling components due maintenance personnel’s placement…Jun 8, 2014 · N504MP · Substantial damageNTSB ERA14FA045Accident · 4 fatalField investigationFinal reportLearjet 35 · Fort Lauderdale, FLThe pilot's failure to maintain control of the airplane following an inflight deployment of the left engine thrust reverser. Contributing to the accident was the flight crew's failure to perform the appropriate emergency procedures, the copilot's lack of…Nov 20, 2013 · XA-USD · DestroyedNTSB CEN14FA024Accident · 1 fatalField investigationFinal reportBellanca 14-19-3A · Boerne, TXA defective exhaust system that allowed carbon monoxide to enter the cabin and impair the pilot, rendering him unable to control the airplane.Oct 27, 2013 · N11RC · DestroyedNTSB WPR13LA366Accident · No injuriesLimited investigationFinal reportPiper PA-28-180 · Overgaard, AZThe partial loss of engine power during takeoff due to the separation of the exhaust baffling, which resulted in a partial blockage of airflow. Contributing to the accident was inadequate maintenance of the exhaust system.Aug 10, 2013 · N9752J · Substantial damageNTSB WPR13LA318Accident · Serious injuriesLimited investigationFinal reportChicco Quicksilver Sport II · Newbury Park, CAThe partial loss of engine power while maneuvering due to the blockage of the exhaust system by broken internal engine baffles that had shifted during the flight, which resulted in a forced landing and subsequent impact with terrain.Jun 29, 2013 · N2812 · Substantial damageNTSB ERA12LA401Accident · Serious injuriesLimited investigationFinal reportBeech 400A · Atlanta, GAThe flight crew's failure to obtain the proper airspeed for landing, which resulted in the airplane touching down too fast with inadequate runway remaining to stop and a subsequent runway overrun. Contributing to the accident were the failure of either pilot…Jun 18, 2012 · N826JH · Substantial damageNTSB ERA12FA225Accident · 5 fatalField investigationFinal reportCessna 501 · Franklin, NCThe pilot's failure to achieve a stabilized approach, resulting in a nose-first, bounced landing. Contributing to the accident was the pilot's activation of only one thrust reverser, resulting in asymmetrical thrust.Mar 15, 2012 · N7700T · Substantial damage