NTSB investigations
59 cases where NTSB found Fuel controlling system.
Cases per year
| 2008 | 4 |
|---|---|
| 2009 | 5 |
| 2010 | 3 |
| 2011 | 4 |
| 2012 | 3 |
| 2013 | 3 |
| 2014 | 2 |
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 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.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01057320')) 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."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01057320')) 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 ERA25LA242Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Nahunta, GAThe pilot’s decision to fly an unairworthy airplane, which resulted in fire due to an unsecured carburetor bowl drain plug.NTSB ERA25LA011Accident · No injuriesClass 3 · LimitedFinal reportSaint Glasair II SFT · Forest, VAThe installation of a non-failsafe coupler that resulted in the separation of the throttle cable from the throttle arm and a subsequent partial loss of engine power.NTSB ERA24LA375Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-802 · Hickory Valley, TNA partial loss of engine power due to a leak in the fuel control unit bellows, which resulted in the fuel valve moving to minimum fuel flow.NTSB CEN24LA236Accident · No injuriesClass 3 · LimitedFinal reportCirrus Design SR22T · Boerne, TXMaintenance personnel’s inadequate adjustment of fuel flow, which resulted in an excessively rich mixture, a rough-running engine, and a subsequent partial loss of engine power.NTSB CEN24LA193Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-502 · Covert, KSThe improper maintenance of the fuel control unit, which resulted in air leakage and a loss of control of fuel flow to the engine.NTSB WPR24LA074Accident · No injuriesClass 3 · LimitedFinal reportBeck Michael J Sonex · Auburn, WAWater contamination within the fuel regulator air-reference system, which resulted in improper fuel metering and a loss of engine power during initial climb.NTSB CEN24LA088Accident · Minor injuriesClass 3 · LimitedFinal reportEurocopter AS 350 B2 · Spofford, TXThe fatigue failure of the fuel control unit control lever arm, which resulted in fuel starvation, and a loss of engine power.NTSB CEN23LA231Accident · No injuriesClass 3 · LimitedFinal reportCessna 207 · Harlingen, TXThe improper installation of the throttle control arm to the throttle control cable attachment end, which resulted in a failure of the control arm and a loss of engine power in flight.NTSB CEN22FA405Accident · 1 fatalClass 3 · FieldFinal reportCirrus SR22 · Tomball, TXThe flight instructor’s inadequate supervision of the flight, which allowed for an unintentional movement of the mixture control to the cutoff position that remained unnoticed until the airplane lost engine power due to fuel starvation and descended below the…NTSB CEN22LA391Accident · No injuriesClass 3 · LimitedFinal reportBeech F33A · Baton Rouge, LAThe sudden and total loss of fuel flow to the engine for undetermined reasons.NTSB CEN22LA351Accident · Minor injuriesClass 3 · LimitedFinal reportBell Helicopter Textron 206B · Arcadia, IAMaintenance personnel’s failure to properly torque a fuel control unit B-nut, which resulted in a loss of engine power at low altitude and an impact with terrain.NTSB ERA22LA254Accident · Serious injuriesClass 3 · LimitedFinal reportCirrus Design SR22 · Tredyffin, PAThe loosening of the throttle arm from the throttle body, which resulted in the pilot’s inability to control the engine, and a subsequent forced landing.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 ERA21LA359Accident · No injuriesClass 4 · LimitedFinal reportCessna 172S · Venice, FLMaintenance personnel’s failure to use the correct throttle linkage hardware when reinstalling the engine, resulting in a disconnection of the throttle during flight.NTSB 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 WPR21LA078Accident · No injuriesClass 3 · LimitedFinal reportCessna P210N · Moab, UTThe pilot’s improper application of full throttle during takeoff, which resulted in loss of engine power due to an excessive fuel flow and overly rich fuel mixture.NTSB ERA21LA023Accident · No injuriesClass 3 · LimitedFinal reportBell 206 · Zephyrhills, FLImproper torquing of the “B” nut at the fuel control unit, which led to a total loss of engine power and subsequent autorotation that resulted in substantial damage.NTSB CEN20LA113Accident · No injuriesClass 3 · LimitedFinal reportBell 206 · Clark, MOThe fatigue failure of the pneumatic line for reasons that could not be determined, which resulted in a loss of engine power and subsequent hard landing.NTSB WPR20LA094Accident · No injuriesClass 3 · LimitedFinal reportErcoupe 415 · Torrance, CAThe partial loss of power due to a malfunction of the throttle cable, which limited movement of the throttle body.NTSB ERA20CA106Accident · No injuriesData collectionFinal reportAerospatiale AS350 · Tampa, FLThe flight instructor's inadvertent throttle reduction below idle, which resulted in a total loss of engine power and subsequent impact with terrain following a power-off autorotation.NTSB WPR19LA190Accident · No injuriesClass 3 · LimitedFinal reportCessna P206 · Cascade, IDA loss of engine power due to the pilot’s improper leaning of the engine.NTSB CEN19FA135Accident · Serious injuriesClass 2 · FieldFinal reportPiper PA34 · Anderson, INThe loss of left engine power due to an incorrectly adjusted fuel servo and the airplane's nose up trim which resulted in the airplane steep climb, loss of airspeed, and aerodynamic stall and subsequent impact with terrain.NTSB ERA19LA074Accident · Minor injuriesClass 3 · LimitedFinal reportDiamond DA20 · McCormick, SCA partial loss of engine power due to debris obstructing the metering plug orifice in the throttle and metering unit.NTSB ERA19LA015Accident · No injuriesClass 3 · LimitedFinal reportAvid Avid Flyer · Grant-Valkaria, FLA total loss of engine power due to a carburetor malfunction, which resulted in a forced landing.NTSB CEN18LA373Accident · No injuriesClass 4 · LimitedFinal reportCessna T310 · Laramie, WYThe pilot’s failure to properly adjust the fuel/air mixtures, which resulted in a partial loss of engine power to both engines due to fuel starvation and a subsequent forced landing to a field.NTSB WPR18LA128Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G 164C · Maxwell, CAA total loss of engine power due to an uncommanded closing of the fuel shutoff valve, which terminated fuel to the engine. The reason for the fuel shutoff valve’s closure could not be determined based on the available information.NTSB ERA18LA050Accident · No injuriesLimited investigationFinal reportCessna 152 · Everglades City, FLThe loose nut connecting the mixture control cable to the mixture control arm, which resulted in the pilot’s inability to control the mixture and the subsequent total loss of engine power.NTSB ERA18LA033Accident · Minor injuriesLimited investigationFinal reportCessna 421 · Presque Isle, METhe in-flight leakage of fuel from the fuel injection system's mixture shaft onto the hot turbocharger, which resulted in an in-flight fire, and the pilot's inability to see the runway due to reduced visibility conditions and conduct a successful landing.NTSB ENG18IA003Incident · No injuriesClass 3 · IncidentFinal reportAirbus A330-243 · Seattle, WAThe loss of control of the left-hand engine and the subsequent thermal damage to the left wing on landing during engine reverse operation was due to a blockage of the variable stator vane torque motor filter that resulted in the engine’s electronic engine…NTSB ERA17LA126Accident · No injuriesLimited investigationFinal reportEurocopter AS 350 · San Juan, PRThe flight instructor's incorrect manipulations of the twist grip throttle control during a practice autorotation, which resulted in an engine overspeed and subsequent fire.NTSB WPR16FA166Accident · Minor injuriesField investigationFinal reportDouglas TA-4K · Las Vegas, NVForeign object debris in the engine's main fuel control unit, which restricted fuel flow and subsequently resulted in the loss of engine power. Contributing to the accident was the installation or addition of an extra seal during the main fuel control unit…NTSB CEN16LA227Accident · No injuriesLimited investigationFinal reportPiper PA 28R-200 · Bowie, TXThe inadequate maintenance and inspection of the throttle control arm, which resulted in its in-flight separation and the subsequent loss of engine power.NTSB WPR16FA035Accident · 2 fatalField investigationFinal reportAero Vodochody L 39C · Apple Valley, CAA total loss of engine power on takeoff, which resulted from a sudden over-temperature condition due to an improperly adjusted fuel control unit and the deteriorated condition of the fuel nozzles.NTSB ERA15LA341Accident · Minor injuriesClass 2 · LimitedFinal reportPiper PA 28RT-201 · Russell Springs, KYMaintenance personnel’s inadequate fuel injection servo maintenance due to an out-of-date AD list, which resulted in the fuel injection servo plug backing out of the threaded plug hole on the regulator cover of the fuel injection servo and subsequent total…NTSB CEN15LA239Accident · Minor injuriesLimited investigationFinal reportAyres S2R G6 · Tivoli, TXThe failure of the fuel control unit due to the worn stub shaft spline, which resulted in an engine overspeed. Contributing to the accident was maintenance personnel's inadequate inspection of the fuel control unit.NTSB CEN14LA486Accident · No injuriesLimited investigationFinal reportCirrus Design SR22 · Langola Township, MNMaintenance personnel’s failure to apply sufficient torque on the throttle control lever nut, which resulted in a loss of throttle control and subsequent loss of engine power.NTSB CEN14LA312Accident · No injuriesLimited investigationFinal reportAirbus Helicopters AS-350B2 · Texarkana, TXThe failure of the two fuel control unit drive bearings for reasons that could not be determined based on the available evidence, which resulted in an uncommanded engine acceleration and subsequent overspeed condition. Contributing to the accident was the…NTSB WPR14CA035Accident · No injuriesData collectionFinal reportPiper PA 18-150 · Twin Falls, IDThe pilot's loss of aircraft control during the rejected takeoff.NTSB ERA13CA375Accident · Minor injuriesData collectionFinal reportMark C Pauls RV-7A · Cortland, NYA partial loss of engine power during go-around due to incorrect maintenance of the fuel system by the pilot/builder.NTSB WPR13LA302Accident · No injuriesLimited investigationFinal reportS.N.I.A.S. AS-350B Ecureuil · Hamilton, MTThe loss of engine power during cruise flight due to the fatigue failure of a pneumatic fuel controller pipe. Also causal was maintenance personnel’s failure to adequately maintain the pipe and replace it with a thicker type.NTSB CEN12FA463Accident · Minor injuriesField investigationFinal reportMooney M20E · Marked Tree, ARThe loss of engine power during cruise flight due to a malfunction of the fuel injection servo due to a damaged O-ring.NTSB WPR12CA236Accident · No injuriesData collectionFinal reportBell 206B · Burbank, WAThe failure of maintenance personnel to properly torque an air tube fitting, which resulted in a total loss of engine power.NTSB CEN12FA250Accident · No injuriesField investigationFinal reportSikorsky S-76B · Gulf of Mexico, LAThe intermittent loss of engine power due to a "stuck" stepper motor in the No. 2 engine's fuel control as a result of an inadequate overhaul. Contributing to the accident was the pilot's decision to continue flying the helicopter with a known defect, his…NTSB WPR11LA463Accident · No injuriesLimited investigationFinal reportCessna 177 · Rock Springs, WYThe pilot did not lean the fuel mixture prior to takeoff, which resulted in the engine's inability to attain sufficient power due to the rich mixture, and his inadequate preflight planning.NTSB ERA11LA461Accident · No injuriesLimited investigationFinal reportPiper PA-46-310P · Elizabethtown, NCThe improper securing of a “B” nut on the power turbine control (Py) line by unknown maintenance personnel, which resulted in a total loss of engine power. Contributing to the accident was the pilot's failure to use the manual fuel override switch.NTSB ANC11IA059Incident · No injuriesIncident investigationFinal reportHughes 500D · McGrath, AKA fatigue fracture of the governor-to-fuel control Pc line, which resulted in a partial loss of engine power.NTSB CEN11LA339Accident · No injuriesLimited investigationFinal reportMD Helicopter 369E · Victoria, TXThe pilot’s failure to ensure that the governor limit switch was properly set, which resulted in reduced engine power.NTSB WPR10LA376Accident · No injuriesLimited investigationFinal reportCessna 177 · Rawlins, WYThe pilot's inadequate preflight planning, failure to properly use the takeoff checklist, and failure to lean the fuel mixture, which resulted in the airplane’s inability to attain sufficient airspeed due to the rich fuel mixture.NTSB CEN10LA353Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-602 · Penrose, ARThe loss of partial engine power due to a fatigue crack in the engine's fuel control bellows.NTSB CEN10LA242Accident · No injuriesLimited investigationFinal reportJorritsma Jerrold S Berkut · Loveland, COA loss of engine power due to a malfunction of the fuel controller resulting in a compressor stall.