NTSB investigations
20,559 cases where the phase of flight was Initial climb.
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 = 350)
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 = 350)
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 NYC91FA103Accident · 1 fatalField investigationFinal reportBellanca 17-31 ATC · Gt. Barrington, MAThe mechanic's improper use of anti-seize compound on the injector nozzle threads which resulted in an engine failure.NTSB DEN91LA059Accident · No injuriesLimited investigationFinal reportBeech A36 · Salida, COThe dual student's poor takeoff technique, his failure to maintain directional control, and inadequate supervision by the PIC CFI. A factor was: the dual student's lack of experience in mountain flying.NTSB CHI91LA121Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-161 · Schaumburg, ILThe mechanic's not understanding the identifying marks on the replacement part. A factor in the accident was that the mechanic was provided with an improper part.NTSB LAX91FA156Accident · 2 fatalField investigationFinal reportHerbert W. Ross RV-4 · Santa Paula, CAThat the pilot inadvertently selected the wrong fuel tank and the passenger interfered with the flight controls when the seat back failed.NTSB SEA91LA072Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-180 · Wamic, ORThe pilot's selection of an empty fuel tank for takeoff.NTSB SEA91FA069Accident · 2 fatalField investigationFinal reportCessna 150G · Kennewick, WAImproper planning/decision by the pilot, which resulted in fuel exhaustion due to an inadequate supply of fuel, and his failure to maintain adequate airspeed, while maneuvering to make a forced landing, which resulted in a stall.NTSB MIA91LA112Accident · No injuriesLimited investigationFinal reportPiper PA-28R-200 · Sanford, FLExcessive flare by the dual student during the forced landing following a simulated engine failure shortly after takeoff. Also, failure of the student to maintain vs, and failure of the CFI to take remedial action.NTSB MIA91LA110Accident · Minor injuriesLimited investigationFinal reportCessna 150L · Quincy, FLThe pilot's inadequate preflight.NTSB FTW91DPJ01Accident · Serious injuriesFinal reportPiper PA-25 · Spiro, OKA power loss for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.NTSB LAX91LA145Accident · Serious injuriesLimited investigationFinal reportAeronca 7-AC · No. Las Vegas, NVThe pilot's failure to maintain airspeed.NTSB MIA91LA108Accident · Minor injuriesLimited investigationFinal reportGlassair SH-2TD · Bay St. Louis, MSThe loss of power due to vapor lock of the fuel system on takeoff. Contributing to the cause of the accident was the improper decision of the pilot-in-command to attempt to take off with known deficiencies in the airplane.NTSB BFO91LA038Accident · Minor injuriesLimited investigationFinal reportCessna 152 · California, MDThe loss of engine power for undetermined reasons resulting in a forced landing and on ground collision with terrain.NTSB LAX91FA139Accident · Serious injuriesField investigationFinal reportBeech 55 · Burbank, CAThe pilot misjudged the liftoff speed, and prematurely rotated the aircraft for takeoff.NTSB FTW91LA054Accident · No injuriesLimited investigationFinal reportCessna 210 · New Orleans, LAThe power loss due to fatigue induced crankshaft failure. Factors were the pilot's continued operation with known mechanical malfunction and the lack of suitable terrain for the forced landing.NTSB NYC91LA090Accident · No injuriesLimited investigationFinal reportPiper PA-22-150 · Phillipsburg, PACarburetor ice and the pilot's improper use of carburetor heat. Factors related to the accident were: the carburetor icing (weather) conditions and the lack of suitable terrain for a forced landing.NTSB MIA91LA113Accident · Minor injuriesLimited investigationFinal reportBell UH-1B · Vero Beach, FLImproper maintenance adjustment by company maintenance personnel resulting in overtorque of a tailboom attach bolt which allowed the tailboom to shift. This disengaged the tail rotor drive shaft at a coupling resulting in the loss of tail rotor drive.NTSB LAX91LA129Accident · Serious injuriesLimited investigationFinal reportCessna 421B · Tucson, AZThe fatigue failure of the right engine turbo exhaust clamp, and, the failure of the flying pilot to complete the single engine emergency procedures in a timely manner. A factor in the accident was the failure of the pilot in command to adequately supervise…NTSB SEA91LA064Accident · Serious injuriesLimited investigationFinal reportMooney M20C · Loa, UTThe pilot-in-command's failure to maintain airspeed on takeoff climb in a turn resulting in an inadvertnent stall and subsequent in flight collision with terrain. Contributing to the accident was a crosswind with gusts.NTSB MIA91FA095Accident · 3 fatalField investigationFinal reportBeech 35-C33A · Key West, FLThe pilot-in-command's failure to maintain airspeed, while returning for an emergency landing following propeller failure, resulting in the aircraft stalling and entering a spin.NTSB DEN91LA050Accident · No injuriesLimited investigationFinal reportBeech V35B · Englewood, COThe pilot's premature liftoff and inadvertent stall mush. Factors were: downdrafts, high density altitude, and unsuitable terrain.NTSB NYC91LA083Accident · No injuriesLimited investigationFinal reportPiper PA-30-160 · Rancocas, NJThe pilot-in-command failed to maintain airspeed on initial take off climb resulting in a stall and in flight collision with terrain. Contributing to the accident was a loss of engine power for undetermined reason and a gusty crosswind condition.NTSB NYC91LA079Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-161 · Philadelphia, PADue to failure of the induction air control/air filter/screen, which blocked airflow through the carburetor throat.NTSB LAX91LA118Accident · Serious injuriesLimited investigationFinal reportBeech BE-77 · Carmel Valley, CAThe failure of the PIC to supervise a non-certificated pilot and to maintain adequate airspeed with subsequent collision with trees. Contributing to the accident was the failure of the PIC to obtain a weather briefing and assess hazardous wind conditions and…NTSB LAX91LA115Accident · No injuriesLimited investigationFinal reportCessna 182P · Pacoima, CAFailure of the PIC to ensure that the fuel system was free of water prior to flight. Contributing to the accident was the inadequate compliance with airworthiness directives by maintenance personnel to preclude water from entering the fuel system.NTSB DEN91FA048Accident · 1 fatalField investigationFinal reportCessna T210M · Taos, NMThe pilot's decision to initiate flight into freezing rain which resulted in structural icing that exceeded the ability of the aircraft to maintain flight. A factor was: improper deicing.NTSB SEA91FA059Accident · 1 fatalField investigationFinal reportCessna 172 · Oregon City, ORThe pilot's failure to attain proper airspeed before takeoff. Factors relating to the accident were the binding brake, the uphill grass airstrip, the tail wind weather conditions, and the improper annual inspection that was just completed on the aircraft.NTSB MIA91LA087Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-161 · Valkaria, FLThe failure of the instructor pilot to supervise the student pilot's actions, resulting in a stall at a low altitude where recovery was not possible.NTSB FTW91FA043Accident · 3 fatalField investigationFinal reportMitsubishi MU-2B-60 · Tulsa, OKThe shutdown of one engine for undetermined reasons, and the pilot's failure to maintain vmca during a critical phase of flight. A factor in the accident was the pilot's improper emergency procedure.NTSB SEA91FA054Accident · 2 fatalField investigationFinal reportPiper PA-15 · Cottage Grove, ORThe pilot did not maintain an adequate airspeed. Factors to the accident were: a dark night condition and an uncontrolled stall/spin.NTSB LAX91LA109Accident · No injuriesLimited investigationFinal reportRockwell S2R-600 · Corcoran, CAFailure of the aircraft engine's fuel pump valve assembly bypass.NTSB LAX91FA103Accident · Serious injuriesField investigationFinal reportCessna 172 · Bullhead City, CAThe pilot's poor in-flight planning and decision and physical impairment from fatigue; he also failed to maintain flying speed. The lineman's failure to secure the access door and the pilot's impairment due to consumption of alcohol were factors in the…NTSB DCA91MA021Accident · 2 fatalClass 1 · MajorFinal reportMcdonnell Douglas DC-9-15 · Cleveland, OHThe failure of the flightcrew to detect and remove ice contamination on the airplane's wings, which was largely a result of a lack of appropriate response by the federal aviation administration, Douglas aircraft company, and ryan international airlines to the…NTSB DEN91LA044Accident · No injuriesLimited investigationFinal reportCessna 152 · Timberon, NMThe pilot's inadequate preflight planning and selection of the wrong runway. Related factors were: the rising terrain, trees, and the pilot's lack of experience.NTSB ATL91LA055Accident · No injuriesLimited investigationFinal reportBeech C23 · Concord, NCThe pilot's inadequate preflight planning in that he disregarded the crosswind limit in the pilot's operating handbook. Factors were the wet runway and the ravine at the end of the runway.NTSB LAX91FA098Accident · 2 fatalField investigationFinal reportBell 206B · Santa Paula, CAInadequate visual lookout by the Bell 206B pilot, which resulted in his failure to see-and-avoid the pitts S-2A. A factor related to the accident was: the S-2A pilot's restricted visibility from the tailwheel equipped airplane, once it was in position on the…NTSB NYC91LA075Accident · Minor injuriesLimited investigationFinal reportCessna 150G · Mount Gilead, OHThe pilot's improper use of carburetor heat resulting in an engine failure due to carburetor ice and a subsequent off airport landing in unsuitable terrain.NTSB LAX91LA107Accident · No injuriesLimited investigationFinal reportQuestaire Venture · San Luis Obispo, CAThe failure of the fuel system vent check valve, which resulted in fuel starvation to the aircraft's engine.NTSB ATL91LA061Accident · Serious injuriesLimited investigationFinal reportMaxair ARV 582 · Eastman, GAThe inadvertent stall of the aircraft which was encountered as a result of the lack of total experience of the non-rated pilot.NTSB FTW91DPA01Accident · Serious injuriesFinal reportDonald E. Samuels Q2 · Gilmer, TXThe pilot's failure to attain proper climb performance.NTSB NYC91FA073Accident · 2 fatalField investigationFinal reportBeech BE-58 · Skaneateles, NYThe pilot's loss of situational awareness/disorientation due to the influences of cocaine, which resulted in the loss of airplane control in instrument meteorological conditions. Factors related to the accident were: psychological impairment, fatigue and…NTSB MIA91LA078Accident · Minor injuriesLimited investigationFinal reportCessna 150G · La Belle, FLTotal loss of engine power due to undetermined reasons.NTSB SEA91LA048Accident · Minor injuriesLimited investigationFinal reportMaule M-5-235C · Draper, UTAn undetermined loss of engine power.NTSB NYC91LA070Accident · No injuriesLimited investigationFinal reportCessna 172M · Nashua, NHFuel system contamination by other personnel which resulted in an inflight engine failure and a subsequent forced landing in unsuitable terrain.NTSB NYC91FA069Accident · 3 fatalField investigationFinal reportCessna 172P · Augusta, METhe pilot rotated the airplane at an improper speed, then allowed the climb angle to become too steep, causing an inadvertent stall at too low an altitude to allow recovery. Contributing factors in the accident were; the pilot failed to use all of the…NTSB MIA91FA076Accident · Serious injuriesField investigationFinal reportAerospatiale SA-341G · Miami, FLThe pilot in command's failure to initiate an autorotation in timely manner following loss of engine power for undetermined reasons resulting in loss of rotor RPM and an uncontrolled descent and impact with the terrain.NTSB CHI91LA083Accident · Serious injuriesLimited investigationFinal reportCessna R182 · Indianapolis, INVisual outlook was not possible and aircraft directional control was not maintained by the pilot. Factors related to the accident were dense fog, early dawn light conditions, poor judgement and over confidence in personal ability by the pilot and trees in the…NTSB ANC91LA022Accident · Serious injuriesLimited investigationFinal reportDe Havilland DHC-3 · Nome, AKThe failure of the 1, 2, 6, 7, 8 and 9 piston linkrods which were broken at the master rod attach end. Contributing to the accident was the rough, uneven terrain.NTSB MIA91LA073Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Titusville, FLPartial loss of engine power after takeoff due to undetermined reasons resulting in the emergency descent and in-flight collision with the power line then the ground.NTSB MIA91LA072Accident · Minor injuriesLimited investigationFinal reportCessna 170A · Fort Myers, FLIn-flight encounter with a downdraft which caused the airspeed to decrease below vso resulting in an inadvertent stall/mush.NTSB SEA91LA045Accident · No injuriesLimited investigationFinal reportCessna C-150L · Alderwood Manor, WAThe failure of the pilot in command to attain proper clearance from terrain. A factor relating to this accident was the night light conditions.