NTSB investigations
47 cases where the sequence of events included Uncontained engine failure.
Cases per year
| 2008 | 1 |
|---|---|
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 4 |
| 2012 | 4 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 4 |
| 2026 | 2 |
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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '343' 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 c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '343' 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 ENG26LA026Incident · No injuriesClass 3 · LimitedPreliminary reportCirrus SF50 · Athens, GAOn June 2, 2026, at 0945 eastern daylight time, a Cirrus SF50, N129KA, powered by a Williams International FJ33-5A turbofan engine, experienced an uncontained engine failure during climb from Greene County Regional Airport (KCPP), Greensboro, Georgia. There…NTSB ENG26WA025Incident · No injuriesClass 3 · ForeignAirbus A330-323 · Sao Paulo, BrazilNTSB ERA25FA001Accident · 1 fatalClass 3 · FieldPreliminary reportBeech 95 · Crystal River, FLOn October 1, 2024, about 1540 eastern daylight time, a Beech 95-B55, N5868S, was destroyed when it collided with terrain near Crystal River, Florida. The private pilot was fatally injured. The personal flight was conducted under the provisions of Title 14…NTSB ENG24LA028Incident · No injuriesClass 3 · LimitedFinal reportBell 407 · Oktaha, OKThe loss of engine power due to high cycle fatigue failure of a power turbine stage 3 turbine wheel blade. The resulting engine imbalance caused a decoupling of the gas producer stage 1 and stage 2 turbine wheels leading to a stage 1 turbine overspeed and…NTSB DCA24WA201Incident · No injuriesClass 3 · ForeignBoeing 777FZB · Narita, JapanNTSB ENG24LA014Incident · No injuriesClass 3 · LimitedFinal reportBoeing 787 · Singapore, SingaporeThe uncontained left engine failure was caused by the failure and liberation of the HPT stage 1 aft blade retainer as a result of a fatigue crack in the upper collet radius that originated from a surface connected cluster of Oxide/Carbonitride/Nitride/Carbide…NTSB ENG23WA041IncidentClass 3 · ForeignAirbus A320 · Almaty, KazakhstanNTSB ENG23LA034Incident · No injuriesClass 3 · LimitedFinal reportHall Lester R Legacy · Rochester, MNMechanically distressed reduction gears causing an engine overspeed and turbine blade tensile overload and subsequent uncontainment. Contributing to the uncontainment was the operator’s use of the engine after knowingly purchasing the engine in an…NTSB ENG23WA008IncidentClass 3 · ForeignAirbus A320 · Guadalajara, MexicoNTSB ENG21WA018IncidentClass 5 · ForeignAirbus A300 · Bogota, ColombiaNTSB ENG21LA011Incident · No injuriesClass 3 · LimitedFinal reportCessna 501 · Opa Locka, FLAn uncontained left engine failure caused by a low cycle fatigue crack that originated from a manufacturing machining groove on the high pressure compressor impeller aft face. Contributing to the incident was service bulletin borescope inspection criteria…NTSB ENG20WA021Incident · No injuriesForeign investigationAirbus A321 · Tan Son Nhat Int’L Airport, VietnamThe government of Vietnam has notified the NTSB of an incident involving an Airbus A321 airplane that occurred on March 18, 2020. A Vietnam Airbus A321-231 powered by two International Aero Engines V2533-A5 turbofan engines experienced a No. 2 (right) engine…NTSB ENG20RA002Incident · No injuriesForeign investigationBoeing 777 · Bangkok, ThailandOn October 20, 2019, a Thai Airways International Boeing 777-300ER, powered by two General Electric GE90-115B turbofan engines, aborted takeoff after experiencing a No. 1 engine high pressure turbine uncontainment failure during takeoff roll. The incident is…NTSB ENG18IA036IncidentClass 3 · IncidentFinal reportBoeing 757 · Atlanta, GAA right engine turbine uncontainment resulting from failure of the high pressure turbine (HPT) lenticular seal due to a fatigue crack originating from an overheated region at a knife edge tip. Contributing to the failure was Pratt & Whitney’s decision to…NTSB CEN18FA259Accident · Serious injuriesField investigationFinal reportEurocopter Deutschland EC135 P1 · Chicago, ILThe pilot's inadvertent disabling of the No. 1 and No. 2 engines' electronic engine control systems, which resulted in engine and rotor overspeed conditions, a subsequent autorotation, and a hard landing. Contributing to the accident were the pilot's…NTSB ENG18WA039Incident · No injuriesForeign investigationMcdonnell Douglas MD80 · Songshan, Taipei, China, TaiwanOn July 2, 2018, Far Eastern Air Transport, flight FE8026, an MD82 aircraft, registration number B-28035, took off from Penghu Airport for Songsang Airport. The aircraft declared PAN PAN at 7 miles from the runway of Songshan Airport at an altitude of 2,800…NTSB CEN18LA127Accident · Minor injuriesLimited investigationFinal reportMX MXS · Fulton, TXA total loss of engine power due to the fatigue failure of the crankshaft, which resulted in the pilot’s forced landing to an abandoned airport and the airplane’s subsequent impact with debris on the runway.NTSB ENG18RA020Incident · No injuriesForeign investigationAvro RJ85 · Bishkek, KyrgyzstanOn March 1, 2018, a Tez Jet Airline Avro RJ85, powered by four Honeywell (formally Lycoming) LF507-1F turbofan engines experienced an uncontained No. 1 (left most) engine turbine failure during climb. The airplane returned to the Bishkek-Manas International…NTSB WPR18LA051Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA 32-300 · Hinesville, GAA total loss of engine power due to the failure of a connecting rod.NTSB DCA18WA023Incident · No injuriesForeign investigationBoeing 737 · Guayaquil, EcuadorThe government of Ecuador has notified the NTSB of an accident involving a BOEING 737 airplane that occurred on November 19, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Ecuador's investigation under the provisions…NTSB ENG18RA004Incident · No injuriesForeign investigationBritish Aerospace Avro 146 · Johannesburg, South AfricaOn November 8, 2017, at about 1750 UTC, South African Airlink flight 8103, a British Aerospace BAE-146 RJ85A, registered in South Africa as ZS-ASW, experienced an uncontained release of turbine material from the No. 2 engine, a Honeywell LF507-1F turbofan,…NTSB ENG17RA039Accident · No injuriesForeign investigationAirbus A380 · Goose Bay, CanadaOn September 30, 2017, an Air France A380 operating as flight AF 66 from Paris, France to Los Angeles, California had the No. 4 engine's inlet and fan rotor separate from the remainder of the engine. The airplane diverted to Goose Bay, Canada for landing. The…NTSB ENG17WA034Accident · No injuriesForeign investigationBoeing 747 · Delhi, IndiaThe India Aircraft Accident Investigation Bureau (AAIB) has notified the NTSB of an incident involving a Boeing 747-200 which occurred on August 26, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the ATSB investigation under the…NTSB ENG17IA027Incident · No injuriesIncident investigationFinal reportBoeing 737 7H4 · Washington, DCThe failure the control alternator gearshaft, which disconnected the accessory gearbox from the rest of the engine and resulted in an uncommanded in-flight shutdown of the left engine and subsequent flight diversion. The control alternator gearshaft failed…NTSB ENG17IA006Incident · No injuriesIncident investigationFinal reportBombardier CL 600 2C10 · Kansas, ILThe probable cause of the uncontained No. 1 (left) engine failure was a separated high pressure turbine 2nd stage blade that failed due to a fatigue crack that originated below the blade platform from an area of corrosion.NTSB DCA17FA021Accident · Serious injuriesClass 1 · FieldFinal reportBoeing 767 · Chicago, ILThe failure of the high-pressure turbine (HPT) stage 2 disk, which severed the main engine fuel feed line and breached the right main wing fuel tank, releasing fuel that resulted in a fire on the right side of the airplane during the takeoff roll. The HPT…NTSB ENG17WA002Incident · No injuriesForeign investigationMD Helicopter 500 · Wanaka, New ZealandThe Civil Aviation Authority of New Zealand has notified the NTSB of an incident involving a MD Helicopters MD520N, which occurred on October 6, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the CAA investigation under the provisions…NTSB ENG16RA023Incident · No injuriesForeign investigationBoeing 777 · Tokyo, JapanOn May 27, 2016 about 1238 Japan standard time, Korean Air flight 2708, a Boeing 777-300, HL7534, rejected the takeoff from Tokyo Haneda International Airport, Tokyo, Japan, after the left engine lost power and caught fire. The investigation is under the…NTSB DCA15FA185Accident · Serious injuriesField investigationFinal reportBoeing Boeing 777-236 · Las Vegas, NVThe failure of the left engine high-pressure compressor (HPC) stage 8-10 spool, which caused the main fuel supply line to become detached from the engine main fuel pump and release fuel, resulting in a fire on the left side of the airplane. The HPC stage 8-10…NTSB ENG15IA017Incident · No injuriesIncident investigationFinal reportBoeing 707 338C · Victorville, CAthe fracture of one 1st stage turbine blade from a high cycle fatigue crack that originated from a break in the coating on the leading edge of the blade. The cause for the break in the coating could not be determined. Contributing to the uncontained release…NTSB ENG15WA018Incident · No injuriesForeign investigationShort Brothers & Harland SC-7 Skyvan S3 · Klatovy, Czech Republic, CzechiaAn Austrian registered Shorts SC7 Skyvan, registration number OE-FDN, being operated by Pink Aviation Services Gmbh, suffered an uncontained failure of No.2 turbine wheel on RH engine during descend, resulting in damage to the right-hand forward sidewall fuel…NTSB ERA15LA138Accident · No injuriesLimited investigationFinal reportBell 206 · Sevierville, TNAn uncontained engine failure, which resulted from insufficient lubrication of the No. 4 bearing due to carbon buildup on the filter screen of the bearing's oil supply nozzle.NTSB ENG15RA011Incident · No injuriesForeign investigationBell 206 - L4 · Remote Location, South AfricaOn February 12, 2015, a Bell 206L-4 powered by a Rolls-Royce 250-C30P turboshaft engine experienced an uncontained engine failure followed by a successful force landing. This incident is being investigated by the South Africa Civil Aviation Authority (CAA)…NTSB ENG14IA013Incident · No injuriesIncident investigationFinal reportRaytheon 400A · Sugar Land, TXThe probable cause of the uncontained No. 2 engine failure on the Raytheon Beechjet 400A was a yellow-crowned night-heron birdstrike that resulted in fan blade contact with the inlet case and rub induced excitation of a previously unidentified natural…NTSB ENG13IA036Incident · No injuriesIncident investigationFinal reportBoeing Company, Long Beach Div Boeing MD-11 · Aguadilla, PRan insufficiently robust flange attachment hardware design, which failed to contain engine components that were liberated during an LPT mechanical failure, resulting in engine/nacelle uncontainment. A factor in the incident was the lack of a module-level LPT…NTSB CEN13LA378Accident · No injuriesLimited investigationFinal reportBell 206B · St Louis, MOThe loss of engine power due to the separation of compressor blades, which resulted from fatigue cracking.NTSB ENG13IA005Incident · No injuriesIncident investigationFinal reportBoeing MD-88 · Atlanta, GAThe 4th stage turbine blade separation that resulted in an uncontained release of low pressure turbine blade material was Delta Air Lines' repair process for the turbine blades' tip shrouds. It was not possible to identify the part of the repair process that…NTSB DCA12WA098Incident · No injuriesForeign investigationBoeing 747 · Jeddah, Saudi ArabiaThe General Authority of Civil Aviation of the Kingdom of Saudi Arabia (GACA) has notified the NTSB of an accident involving a Boeing 747 that occurred on June 18, 2012. The NTSB has appointed a U.S. Accredited Representative to assist the GACA investigation…NTSB CEN12LA235Accident · No injuriesLimited investigationFinal reportEurocopter SA315B · Alva, OKFailure of the current and previous operators to comply with the manufacturer's maintenance procedures for operation in sandy environments, which resulted in turbine case erosion and the subsequent uncontained engine failure.NTSB ENG12IA012Incident · No injuriesIncident investigationFinal reportMcdonnell Douglas MD-10-30F · Portland, ORThe fracture of the fan mid shaft due to a stress corrosion cracking initiated by local regions of corrosion pitting, which resulted from oil migration within the shaft and its subsequent degradation.NTSB ENG12IA003Incident · No injuriesIncident investigationFinal reportBoeing 747-451 · Detroit, MIThe penetration of turbine blade fragments through the rear turbine case, which punctured the No. 4 bearing oil pressure supply tube, allowing misted oil to contact the hot engine case and ignite the undercowl fire. Contributing to the incident was the…NTSB ENG12IA001Incident · No injuriesIncident investigationFinal reportBoeing 757-251 · Atlanta, GAthe return to service of overhauled airplane engine parts with undetected fatigue cracks, resulting in complete loss of engine power and uncontained engine failure. A contributing factor was the inadequate diffuser and HPT case inspection procedure.NTSB ENG11IA043Incident · No injuriesIncident investigationFinal reportMcdonnell Douglas DC-9-51 · Atlanta, GAThe probable cause of the No. 2 engine failure and subsequent aborted takeoff was the high cycle fatigue failure of a fan blade near the blade root that resulted in extensive low pressure compressor damage and compressor case breach.NTSB ENG11IA032Incident · No injuriesIncident investigationFinal reportDehavilland DHC-6-300 · Peach Springs, AZA quality control failure in the Sungear, Inc. manufacturing and quality control process allowed sungears with surface finishes of the root fillet radius of the spline that did not conform to the drawing specifications to be released. The surface finish…NTSB ENG10IA037Incident · No injuriesIncident investigationFinal reportDouglas DC9 · Minneapolis, MNThe failure of the facility that overhauled the 1st stage fan blade to properly restore the leading edge, which caused a flutter mode resulting in a fatigue crack and fracture of the fan blade.NTSB ENG09IA004Incident · No injuriesIncident investigationFinal reportMcdonnell-Douglas DC-10-30 · Bogota, ColombiaFailure of the low pressure turbine stage 3 disk due to a design that is vulnerable to high pressure turbine unbalance-induced synchronous vibration that cannot be detected in flight, and the subsequent uncontained engine failure.NTSB ENG08IA030IncidentIncident investigationFinal reportBoeing B747 · Jeddah, Saudi ArabiaFailure of the low pressure turbine stage 3 disk due to a design that is vulnerable to high pressure turbine unbalance-induced synchronous vibration that cannot be detected in flight, and the subsequent uncontained engine failure.