NTSB investigations
14,035 cases where the phase of flight was Takeoff.
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 = 300)
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 = 300)
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 GAA19CA562Accident · No injuriesData collectionFinal reportDe Havilland Beaver DHC 2 MK.1 · Kotzebue, AKThe pilot's delayed decision to abort the takeoff from water after the airplane impacted a submerged object, which resulted in insufficient airspeed for liftoff and led to the pilot steering the airplane toward a mud embankment to avoid rocks.NTSB GAA19CA550Accident · No injuriesData collectionFinal reportPzl Okecie PZL104 · Reno, NVThe pilot's failure to maintain bank control during takeoff in gusting crosswind conditions, resulting in a loss of control in flight and subsequent impact with terrain.NTSB GAA19CA551Accident · No injuriesData collectionFinal reportPiper PA 12 · Healy, AKThe pilot's exceedance of the airplane's critical angle of attack while taking off from water in shifting wind conditions.NTSB ERA19WA271Accident · 7 fatalForeign investigationPiper PA31 · Popayan, ColombiaThe government of Colombia has notified the NTSB of an accident involving a PIPER PA31 airplane that occurred on September 15, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Colombia's investigation under the…NTSB ERA19LA272Accident · Minor injuriesClass 3 · LimitedFinal reportDiamond DA40 · Norfolk, VAA partial loss of engine power due to the mechanic's failure to properly tighten the two clamps securing the flexible coupling from the intercooler to the induction inlet.NTSB GAA19CA546Accident · No injuriesData collectionFinal reportMooney M20M · Chandler, AZThe pilot's improper pitch control during takeoff and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall. Contributing to the accident was the flight instructor's failure to take remedial action.NTSB GAA19CA542Accident · No injuriesData collectionFinal reportCessna 172 · Phoenix, AZThe student pilot's failure to maintain directional control during an aborted takeoff, which resulted in a runway excursion and impact with runway signs while attempting to maneuver back onto the runway.NTSB ERA19LA269Accident · Minor injuriesClass 3 · LimitedFinal reportMooney M20J · Bowie, MDA blockage of the pitot static system that preclude the airspeed indicator from displaying speeds greater than 40 mph, which led the pilot to abort the landing and overrun the runway.NTSB DCA19WA220Incident · No injuriesForeign investigationBoeing 737 · Malaga, SpainThe government of Spain has notified the NTSB of an incident involving a BOEING 737 airplane that occurred on September 11, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Spain's investigation under the provisions of…NTSB WPR19LA253Accident · Serious injuriesClass 3 · LimitedFinal reportErcoupe 415 · Maricopa, AZThe flight instructor’s failure to prevent the student pilot from exceeding the airplane’s critical angle of attack, which resulted in an aerodynamic stall and subsequent spin. Contributing to the accident was the student pilot’s failure to make a positive…NTSB GAA19CA529Accident · No injuriesData collectionFinal reportCessna 172 · Mekoryuk, AKThe pilot's exceedance of the airplane's critical angle of attack during takeoff in gusting wind conditions.NTSB DCA19WA218Incident · No injuriesForeign investigationBoeing 767 · Jeddah, Saudi ArabiaThe AIB of Saudi Arabia has notified the NTSB of an incident involving a Boeing 767 airplane that occurred on September 08, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the AIB's investigation under the provisions of ICAO Annex 13…NTSB GAA19CA528Accident · Minor injuriesData collectionFinal reportSiai-Marchetti SM 1019 · Lakeport, CAThe pilot's exceedance of the airplane's critical angle of attack during takeoff in gusting, variable wind conditions, which resulted in a loss of airplane control and subsequent impact with water.NTSB WPR19FA251Accident · 2 fatalClass 3 · FieldFinal reportPiper PA18 · Hood River, ORThe total loss of engine power shortly after takeoff as a result of the private pilot’s failure to ensure the fuel selector was in the appropriate position and the certified flight instructor’s exceedance of the airplane’s critical angle of attack at the time…NTSB CEN19LA304Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28D-180 · Midlothian, TXMisalignment of the fuel selector valve when the right fuel tank was selected, which restricted fuel flow and resulted in a total loss of engine power due to fuel starvation.NTSB GAA19CA521Accident · No injuriesData collectionFinal reportPiper PA18 · Beluga, AKThe pilot's failure to maintain an adequate climb rate during takeoff in gusting wind conditions, which resulted in an uncontrolled descent.NTSB CEN19CA336Accident · No injuriesData collectionFinal reportPiper PA38 · Taylor, TXThe flight instructor's inadequate supervision of the student's soft-field takeoff, which resulted in an excessive pitch attitude, settling effect, and impact with a ditch off the end of the runway.NTSB WPR19LA249Accident · No injuriesClass 3 · LimitedFinal reportHughes 369 · Asotin, WAA loss of control for undetermined reasons.NTSB GAA19CA522Accident · No injuriesData collectionFinal reportStinson 108 · Bandera, WAThe pilot's selection of unsuitable terrain for a simulated rejected takeoff, which resulted in a runway overrun and noseover.NTSB WPR19LA247Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 510 · El Monte, CAThe pilot's failure to disengage the parking brake before takeoff, which resulted in decreased acceleration and a subsequent runway overrun following an aborted takeoff.NTSB WPR19FA244Accident · 2 fatalClass 3 · FieldFinal reportCessna 172 · McKenzie Bridge, ORThe pilot's delayed climb and misjudgment of the airplane’s performance and the runway distance needed to clear obstacles at the end of the runway, which resulted in a collision with trees and subsequent impact with terrain. Contributing to the accident was…NTSB GAA19CA511Accident · No injuriesData collectionFinal reportPiper PA28 · Cottonwood, AZThe student pilot's improper pitch and lateral control during a soft-field takeoff, which resulted in impact with terrain. Contributing to the accident was the student pilot's failure to relinquish control of the airplane to the instructor.NTSB CEN19LA300Accident · No injuriesClass 3 · LimitedFinal reportCessna 425 · Bethany, OKA loss of control during the initial climb for undetermined reasons, which resulted in an aborted takeoff and runway excursion.NTSB GAA19CA513Accident · Minor injuriesData collectionFinal reportCessna A185 · Rangeley Lake, METhe pilot's inadequate preflight inspection of the floats, which led to his subsequent attempt to depart from a lake with damaged floats and led to a loss of roll control and the right wing impacting the water.NTSB WPR19LA233Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 120 · Livermore, CAA partial loss of engine power due to fouled spark plugs in the No. 4 cylinder. Contributing to the accident was the pilot’s exceedance of the airplane’s critical angle of attack and a subsequent loss of control during the initial climb.NTSB WPR19FA230Accident · No injuriesClass 3 · FieldFinal reportCessna 560XL · Oroville, CAThe pilot’s failure to release the parking brake before attempting to initiate the takeoff, which produced an unexpected retarding force and airplane nose down pitching moment. Also causal was the flight crew’s delayed decision to abort the takeoff, which…NTSB WPR19LA237Accident · No injuriesClass 3 · LimitedFinal reportCessna T210 · Eugene, ORThe failure of the landing gear electric motor to shut off after landing gear retraction, which resulted in the motor overheating, burning out, and producing smoke in the cockpit. The pilot’s decision to land with the landing gear retracted resulted in…NTSB GAA19CA517Accident · Minor injuriesData collectionFinal reportCessna 180 · Arlington, WAThe pilot's failure to properly secure the seat before takeoff, which resulted in it sliding back during takeoff and rendering him unable to reach the rudder pedals and throttle lever, a subsequent runway excursion, ground loop, and impact with a berm.NTSB CEN19FA279Accident · 2 fatalClass 3 · FieldFinal reportAero Commander 200 · Howell, MIThe improper installation of the engine’s metal intake screen, which allowed the filter element to become displaced and subsequently lodge in the intake, blocking intake air and causing the total loss of engine power, at low altitude and low airspeed…NTSB GAA19CA496Accident · No injuriesData collectionFinal reportCessna TU206 · Regina, NMThe pilot's improper preflight performance planning for a high-density altitude takeoff from a short, dirt airstrip, which resulted in impact with terrain.NTSB ENG19WA044Incident · No injuriesForeign investigationAirbus A320 · Guwahati, IndiaThe government of India has notified the NTSB of an incident involving an Airbus A320 airplane that occurred on August 19, 2019. An IndiGo Air Airbus A320-271N Neo powered by two Pratt & Whitney PW1127G-JM geared turbofan engines experienced a No. 1 (left)…NTSB WPR19LA223Accident · Serious injuriesClass 3 · LimitedFinal reportBeech 35 · Ruidoso, NMThe airplane’s inability to maintain altitude during the initial climb due to a degradation in the airplane’s performance as a result of high-density altitude conditions at the time of takeoff. Contributing to the accident were the pilot’s inadequate…NTSB ERA19FA249Accident · 2 fatalClass 3 · FieldFinal reportCessna T303 · Lagrangeville, NYA partial loss of engine power in both engines during initial climb for reasons that could not be determined based on the available information.NTSB WPR19LA221Accident · Minor injuriesClass 3 · LimitedFinal reportAutoGyro Cavalon · Shelton, WAThe pilot’s failure to initiate the takeoff roll with inadequate rotor speed, and his failure to follow the published takeoff procedures, which resulted in a loss of control and impact with the ground.NTSB DCA19WA202Incident · Minor injuriesForeign investigationBoeing 767 · Shannon, IrelandThe AAIU of Ireland has notified the NTSB of an accident involving a Boeing 767 airplane that occurred on August 15, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Ireland's investigation under the provisions of ICAO…NTSB ANC19TA044Accident · Minor injuriesClass 3Final reportCessna 180 · Anchorage, AKThe pilot’s failure to maintain takeoff heading due to sun glare, which resulted in his inability to see an island adjacent to the water lane and subequent impact with the island.NTSB CEN19LA263Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · New Carlisle, OHThe pilot’s excessive use of pitch control during rotation, which resulted in the airplane exceeding its critical angle of attack and entering an aerodynamic stall shortly after liftoff.NTSB GAA19CA491Accident · No injuriesData collectionFinal reportConsolidated Vultee BT13 · Franklin, PAThe pilot's failure to maintain directional control during takeoff in gusting crosswind conditions, which resulted in a runway excursion and the left main landing gear collapsing.NTSB DCA19WA197Incident · No injuriesForeign investigationBoeing 787 · Rome, ItalyThe government of Italy has notified the NTSB of an incident involving a BOEING 787 airplane that occurred on August 10, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Italy's investigation under the provisions of…NTSB CEN19WA274Accident · No injuriesForeign investigationBell 206 · Vuoggatjålme, SwedenOn August 10, 2019, about 0855 hours universal coordinated time, a Bell 206-L1, Swedish registration SE-JOA, was damaged when the rotor blades struck the tail boom during an emergency landing following a loss of engine power after takeoff near Vuoggatjålme,…NTSB ENG19RA038Incident · No injuriesForeign investigationRaytheon 390 · Hamburg, GermanyOn August 7, 2019, about 1408 coordinated universal time (UTC), a Raytheon 390 Premier 1A airplane, Czech Republic registration OK-EJH, experienced smoke/fire in the cockpit from the windshield heat system during takeoff from Hamburg Airport, Hamburg,…NTSB CEN19LA252Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA28 · Miami, FLThe flight instructor's and student pilot's inadequate preflight inspection of the fuel system for water contamination, which resulted in a loss of engine power during takeoff and subsequent forced landing.NTSB WPR19WA206Accident · 1 fatalForeign investigationBell 47G · Limpopo Province, South AfricaOn July 30, 2019, about 0900 coordinated universal time, a Bell 47G-3B-1 helicopter, ZS-HGY, impacted terrain following a total loss of engine power near Alldays, Limpopo Province, South Africa. The pilot was fatally injured, and the passenger was seriously…NTSB WPR19LA204Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 162 · Vernal, UTThe flight instructor's abrupt maneuver at an altitude too low for recovery, which resulted in impact with the runway.NTSB GAA19CA472Accident · No injuriesData collectionFinal reportCessna 172 · Mt. Sterling, KYThe pilot's loss of directional control during the takeoff roll due to distraction by the passenger window being unsecured, which resulted in a runway excursion and impact with a runway distance marker. Contributing to the accident was pilot’s failure to…NTSB GAA19CA456Accident · No injuriesData collectionFinal reportPiper PA46 · Sparta, TNThe pilot's failure to maintain the runway heading during an aborted takeoff, which resulted in a runway excursion and collision with a sign and terrain. Contributing to the need to abort the takeoff was the pilot's improper decision to take off with the…NTSB GAA19CA469Accident · No injuriesData collectionFinal reportSchempp Hirth Ventus 2A · Wurtsboro, NYThe pilot's failure to properly secure the glider’s canopy before flight, which resulted in it opening in flight and the pilot's inability to maintain an appropriate final approach path and altitude, which resulted in impact with a shipping container.NTSB ERA19TA235Accident · No injuriesClass 3Final reportCessna 152 · Wakefield, VAThe pilot's inadequate preflight inspection, which failed to detect and remove all water from fuel, and maintenance personnel’s unapproved repair of the right wing fuel cap, which resulted in fuel contamination and a subsequent partial loss of engine power…NTSB ANC19LA040Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Farewell, AKA reported partial loss of engine power during takeoff for reasons that could not be determined.NTSB CEN19LA233Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Kingston, OKThe partial loss of engine power due to a stuck exhaust valve.