NTSB investigations
35,883 cases where the phase of flight was Enroute.
Cases, newest first
Query with SQL
duckdb -csv -c "WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
current_codes AS (
SELECT e.case_mkey, TRY_CAST(e.\"tier1Number\" AS INTEGER) AS code,
row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e.\"isDefiningEvent\", false) DESC, e.position) AS n
FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
WHERE e.aircrafts_position = 1 AND e.\"tier1Number\" GLOB '[1-9][0-9]*'
AND (e.\"isDefiningEvent\" OR e.case_mkey IN (SELECT \"mKey\" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE \"isPre1982\"))
),
phases AS (
SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
FROM current_codes WHERE n = 1
UNION ALL
SELECT o.case_mkey, 'older', o.\"phaseOfFlightCode\", w.main
FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o.\"phaseOfFlightCode\"
WHERE o.aircrafts_position = 1 AND o.\"occurrenceNumber\" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
),
case_phases AS (
SELECT p.*, c.\"eventDate\", c.\"highestInjuryLevel\" = 'Fatal' AS fatal, a.aircraft_model_code
FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = p.case_mkey
LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
WHERE c.\"eventDate\" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
)
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 case_mkey FROM case_phases WHERE main = 400)
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.
WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
current_codes AS (
SELECT e.case_mkey, TRY_CAST(e."tier1Number" AS INTEGER) AS code,
row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e."isDefiningEvent", false) DESC, e.position) AS n
FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
WHERE e.aircrafts_position = 1 AND e."tier1Number" GLOB '[1-9][0-9]*'
AND (e."isDefiningEvent" OR e.case_mkey IN (SELECT "mKey" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE "isPre1982"))
),
phases AS (
SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
FROM current_codes WHERE n = 1
UNION ALL
SELECT o.case_mkey, 'older', o."phaseOfFlightCode", w.main
FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o."phaseOfFlightCode"
WHERE o.aircrafts_position = 1 AND o."occurrenceNumber" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
),
case_phases AS (
SELECT p.*, c."eventDate", c."highestInjuryLevel" = 'Fatal' AS fatal, a.aircraft_model_code
FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = p.case_mkey
LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
WHERE c."eventDate" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
)
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 case_mkey FROM case_phases WHERE main = 400)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 DCA17CA217Accident · Serious injuriesData collectionFinal reportBoeing 737-8H4 · Sioux City, IAthe flight attendant accidentally pouring hot water on his hand which resulted in a 2nd degree burn.NTSB WPR17LA212Accident · Minor injuriesLimited investigationFinal reportMooney M20E · Glendale, CAThe pilot’s inadequate preflight fuel planning and improper decision to not refuel before the flight, which resulted in fuel exhaustion and the subsequent total loss of engine power.NTSB DCA17WA205Incident · No injuriesForeign investigationBoeing 777 · Osaka, JapanThe Japan Transport Safety Board (JTSB) has notified the NTSB of a serious incident involving a BOEING 777 airplane that occurred on September 23, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Japan's investigation…NTSB DCA17IA202Incident · No injuriesIncident investigationFinal reportDJI Phantom · Hoffman Island, NYthe failure of the sUAS pilot to see and avoid the helicopter due to his intentional flight beyond visual line of sight. Contributing to the incident was the sUAS pilot's incomplete knowledge of the regulations and safe operating practices.NTSB CEN17LA358Accident · No injuriesLimited investigationFinal reportCessna 177B · London, OHThe flight instructor's inadequate in-flight fuel management, which resulted in a total loss of engine power due to fuel exhaustion.NTSB ERA17LA347Accident · No injuriesLimited investigationFinal reportBeech 35 · Marathon, FLA total loss of engine power for reasons that could not be determined because saltwater corrosion precluded a complete examination.NTSB ERA17FA327Accident · 2 fatalField investigationFinal reportMooney M20C · North Branford, CTA total loss of engine power due to fuel starvation as the result of foreign object debris in the fuel selector valve. Contributing to the accident was the pilot's selection of a low cruising altitude, which reduced the available time to troubleshoot the loss…NTSB CEN17FA355Accident · 1 fatalField investigationFinal reportBell 206L 3 · Ancho, NMThe pilot's distraction by a cell phone during a low-altitude flight, which resulted in controlled flight into terrain.NTSB ERA17WA345Accident · 1 fatalForeign investigationCessna U206F · Caracarai, BrazilOn September 15, 2017, about 1300 coordinated universal time, a Cessna U206F, Brazilian registration PT-JPW, was substantially damaged after ditching in the Rio Branco river, near Caracaraí, Brazil. The pilot was fatally injured. The flight was conducted…NTSB ERA17LA338Accident · No injuriesLimited investigationFinal reportParks Richard A Starduster SA 100 · Southfields, NYA loose oil line that allowed oil to drip on the exhaust system, which resulted in smoke during cruise flight and a subsequent precautionary landing.NTSB ERA17LA326Accident · No injuriesLimited investigationFinal reportAir Tractor AT 502 · Union City, TNThe catastrophic failure of the compressor turbine blades, which resulted in a total loss of engine power. Contributing to the accident was the installation of undocumented, time-limited engine components of indeterminate age.NTSB DCA17WA198Accident · Serious injuriesForeign investigationBoeing 737 · Adelaide, AustraliaThe ATSB of Australia has notified the NTSB of an accident involving a Boeing 737 airplane that occurred on September 13, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Australia's investigation under the provisions…NTSB CEN17LA352Accident · No injuriesLimited investigationFinal reportCessna 210G · Hallsville, MOThe total loss of engine power due to a fatigue failure of the engine mixture control cable.NTSB CEN17LA356Accident · No injuriesLimited investigationFinal reportCessna R182 · Worland, WYThe pilot's decision to operate an airplane with unreliable fuel gauges and the worn fuel cap seal that allowed fuel to siphon from the left wing fuel tank, which ultimately resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN17WA343Accident · 2 fatalForeign investigationPiper Piper PA-28RT-201 · Wolferton, United KingdomOn September 11, 2017, at 0956 universal coordinated time (UTC), a Piper PA-28RT-201 single-engine airplane, United Kingdom registration G-BHAY, serial number 28R-7918213, was substantially damaged during a forced landing following a loss of engine power and…NTSB CEN17LA344Accident · No injuriesLimited investigationFinal reportAviat A 1B · Prairie du Chien, WIThe fatigue failure of the aileron hinge bracket tubing for reasons that could not be determined based on the available evidence.NTSB ERA17MA316Accident · 4 fatalClass 2 · MajorFinal reportEurocopter Deutschland MBB BK 117 · Hertford, NCA failure of the rear bearing in the No. 2 engine, which (1) created multiple and likely unexpected and confusing cockpit indications, resulting in the pilot's improper diagnosis and subsequent erroneous shutdown of the No. 1 engine, and (2) the resulting…NTSB WPR17FA196Accident · 1 fatalField investigationFinal reportCessna 172N · Bolinas, CAThe non-instrument rated private pilot's improper decision to embark on a flight and continue to fly into forecasted instrument meteorological conditions and mountain obscuration while conducting a visual flight rules flight.NTSB GAA17CA529Accident · Minor injuriesData collectionFinal reportCessna 182 · Fairfield, MTThe pilot's failure to secure the right fuel cap during the preflight inspection, which resulted in fuel exhaustion, a total loss of engine power, and an off-airport hard landing.NTSB DCA17WA223Incident · No injuriesForeign investigationBoeing 737 · Cancun, MexicoThe DGAC of Mexico has notified the NTSB of an incident involving a Boeing 737 airplane that occurred on September 06, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the DGAC's investigation under the provisions of ICAO Annex 13 as…NTSB ERA17FA313Accident · 2 fatalField investigationFinal reportCirrus Design SR20 · Jacksonburg, WVThe pilot's loss of airplane control due to spatial disorientation while flying in instrument meteorological conditions in the vicinity of adverse weather conditions.NTSB WPR17LA197Accident · Serious injuriesLimited investigationFinal reportBoeing A75N1(PT17) · Santa Paula, CAA partial loss of engine power during initial climb for reasons that could not be determined based on the available information.NTSB CEN17LA338Accident · No injuriesLimited investigationFinal reportGolden Eagle Chief · Mt. Zion, ILA total loss of engine power for reasons that could not be determined based on the available information.NTSB ERA17LA307Accident · Minor injuriesClass 3 · LimitedFinal reportCessna U206 · Harpswell, MEA total loss of engine power due to maintenance personnel's failure to apply proper torque to the cylinder flange nuts and through bolts, which resulted in shifting of the Nos. 1, 2, and 3 main bearings, loss of lubrication, and failure of the crankshaft.NTSB ERA17LA302Accident · No injuriesLimited investigationFinal reportPacific Aerospace 750XL · Harvest, ALThe pilot's improper decision to not stop and refuel the airplane as planned and his improper in-flight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN17LA333Accident · Serious injuriesLimited investigationFinal reportGulfstream American AA 5B · Carbondale, ILThe failure of the propeller due to fatigue as a result of improper installation by unknown maintenance personnel at some point during the life of the propeller.NTSB CEN17FA331Accident · 3 fatalClass 3 · FieldFinal reportBeech A36 · Ellabell, GAThe total loss of engine power due to oil starvation to the No. 1 connecting rod, which resulted from the improper torque of the No. 1 cylinder hold-down bolts and through-studs at the time of the cylinder's installation, which resulted in the failure of the…NTSB ERA17WA296Accident · 1 fatalForeign investigationCessna T210 · Ciudad Bolivar, VenezuelaOn August 27, 2017 about 2052 coordinated universal time (UTC), a Cessna T210M, Venezuelan registration YV2594, was substantially damaged during a forced landing, after a loss of engine power near Ciudad Bolivar, Venezuela. The pilot and three passengers were…NTSB DCA17WA189Incident · No injuriesForeign investigationAirbus A320 233 · Lima, PeruThe Comisión de Investigación de Accidentes de Aviación (CIAA) of Peru has notified the NTSB of an incident involving a AIRBUS A320 233 airplane that occurred on August 27, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government…NTSB GAA17CA511Accident · No injuriesData collectionFinal reportPiper PA 12 · Gulkana, AKThe pilot’s inadequate in-flight fuel planning, which resulted in a loss of engine power due to fuel exhaustion.NTSB ERA17WA308Accident · 1 fatalForeign investigationMaule M7 · Zhideli, KazakhstanOn August 25, 2017, about 0450 coordinated universal time, a Maule M7-260C airplane, Kazakhstan registration UP-ML003, impacted terrain during a forced landing near Zhideli, Kazakhstan. The pilot was fatally injured and the passenger sustained serious…NTSB ANC17FA049Accident · 1 fatalField investigationFinal reportPiper PA-18AS · Tyonek, AKThe noninstrument-rated pilot's decision to initiate a visual flight rules flight into dark night, marginal visual flight rules to instrument flight rules conditions, which resulted in a loss of control due to spatial disorientation.NTSB GAA17CA505Accident · No injuriesData collectionFinal reportCessna 177RG · Byron, CAThe pilot’s improper preflight fuel planning, which resulted in a loss of engine power due to fuel exhaustion.NTSB DCA17LA183Accident · Serious injuriesClass 3 · LimitedFinal reportBombardier CL 600 2C10 · McKellar, TNAn encounter with convective turbulence while maneuvering to avoid conflicting traffic.NTSB ERA17WA283Accident · 1 fatalForeign investigationRobinson R66 · Maly Utrish, RussiaOn July 21, 2017, about 1832 coordinated universal time, a Robinson R66 helicopter, Russian registration RA-05750, was substantially damaged when it impacted mountainous terrain near Maly Utrish township, while on a night flight from Anapa, Russia, to…NTSB ERA17LA285Accident · No injuriesLimited investigationFinal reportBell 47G · St Marys, PAThe student pilot's inadequate prefight planning and en route fuel management, which resulted in fuel exhaustion and a total loss of engine power.NTSB ERA17WA289Accident · 5 fatalForeign investigationLearjet 25 · Naiguata, VenezuelaOn August 19, 2017, about 0415 universal coordinated time, a Learjet 25D, Venezuelan registration YV3191, descended and impacted the ocean about 5 nautical miles north of Naiguatá, Vargas, Venezuela. The two pilots and three passengers were fatally injured.…NTSB CEN17LA317Accident · Minor injuriesLimited investigationFinal reportPiper PA22 · Beckville, TXA stuck exhaust valve, which resulted in the failure of the valve and a loss of engine power. Contributing to the valve failure and loss of engine power was the extended time since the last overhaul.NTSB ANC17WA048Accident · 2 fatalForeign investigationSocata TBM 700 · Zemyo, JapanOn Aug 14, 2017, at 1215 Japan standard time, a United States registered Socata TBM 700 airplane, N702AV, operated by a private individual, was destroyed when it impacted mountainous terrain under unknown circumstances near Zemyo in Nara Prefecture, Japan.…NTSB ERA17LA275Accident · Minor injuriesLimited investigationFinal reportPiper J3C · Salisbury, CTAn improper replacement of the crankshaft by maintenance personnel, which resulted in a failure of the crankshaft gear and total loss of engine power.NTSB CEN17FA315Accident · 1 fatalField investigationFinal reportPiper PA 22-150 · Las Vegas, NMThe pilot’s exceedance of the airplane’s critical angle of attack while maneuvering to land, which resulted in an accelerated stall and the pilot’s subsequent loss of control. Contributing to the accident was the gap in the pilot’s flight experience, his…NTSB DCA17WA172Incident · No injuriesForeign investigationBoeing 787-9 · Madrid, SpainThe government of Spain has notified the NTSB of an incident involving a BOEING 787-9 airplane that occurred on August 08, 2017. The NTSB has appointed a U.S. Accredited Representative to assist the government of Spain's investigation under the provisions of…NTSB WPR17LA180Accident · No injuriesLimited investigationFinal reportLockheed P2V 5F · Pocatello, IDMaintenance personnel's failure to secure hardware, which resulted in an uncommanded upward deflection of the left elevator and aft movement of the control yoke and inhibited the flight crew from adjusting the airplane's pitch attitude in flight. Contributing…NTSB ERA17LA268Accident · Serious injuriesLimited investigationFinal reportCessna 140 · Mount Sterling, KYA total loss of engine power for reasons that could not be determined based on the available information.NTSB DCA17LA173Accident · Serious injuriesLimited investigationFinal reportAirbus 330 · East Hampton, NYan inadvertent encounter with convective turbulence.NTSB GAA17CA468Accident · Serious injuriesData collectionFinal reportCessna 170 · Moab, UTThe pilot’s improper decision to depart in unfavorable weather conditions, which resulted in a hard, forced landing.NTSB CEN17WA310Accident · 3 fatalForeign investigationPiper PA28 · Berghaus Diavolezza, SwitzerlandOn August 4, 2017, at 0720 UTC, a Piper PA-28-181, Swiss registration HB-PER, owned and operated by a private individual, impacted mountainous terrain near Berghaus Diavolezza, Switzerland. The pilot and two passengers on board were fatally injured. A third…NTSB WPR17FA179Accident · 1 fatalField investigationFinal reportMichaelian Lancair IV-TP · Rio Linda, CAA loss of engine power for reasons that could not be determined based on available evidence.NTSB WPR17WA178Accident · 1 fatalForeign investigationRobinson Helicopter R22 Beta · Cloncurry, AustraliaOn August 2, 2017, at 0740 local time, a Robinson R22, VH-HGU, was destroyed by a post-impact fire following a collision with power lines during cruise flight near Cloncurry Aerodrome, Australia. The helicopter was operated under the pertinent civil…NTSB WPR17LA172Accident · No injuriesLimited investigationFinal reportCessna T210F · Llano, CAA failure of the turbocharger that resulted in complete depletion of the engine oil and catastrophic internal failure of the engine. Contributing to the accident was improper and/or incomplete maintenance and inspection of the turbocharger.