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 FTW96LA008Accident · Minor injuriesLimited investigationFinal reportBell 47-G2 · Freer, TXthe pilot's failure to maintain clearance from the power lines due to his improper takeoff technique. A factor was the helicopter induced blowing dust which impaired the pilot's visibility.NTSB FTW96LA007Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Hamburg, ARLoss of engine power due to a cylinder failure. A factor relating to the accident was: the lack of suitable terrain for the forced landing.NTSB NYC96LA001Accident · No injuriesLimited investigationFinal reportCheney Avid Flyer · Newton, NHThe seizure of a piston during the takeoff climb, resulting in a loss of engine power, forced landing, and subsequent collision with trees.NTSB MIA96LA001Accident · Serious injuriesLimited investigationFinal reportClapp KR-2 · Jacksonville, FLThe pilot's inadequate preflight planning/preparation, failure to ensure proper weight and balance of the airplane, and failure to obtain or maintain sufficient airspeed during takeoff, which resulting in a stall and collision with wooded terrain.NTSB SEA96LA001Accident · 1 fatalLimited investigationFinal reportRasmussen Kitfox 2 · Battle Ground, WAfailure of the pilot to maintain adequate airspeed during the initial climb after takeoff, which resulted in a stall/mush and subsequent collision with trees and the ground.NTSB LAX95LA345Accident · Minor injuriesLimited investigationFinal reportPro-built Kitfox IV Speedster · Lakeport, CAthe pilot's improper installation of the carburetors.NTSB LAX95LA344Accident · 2 fatalLimited investigationFinal reportCessna 172H · St. Johns, AZthe pilot's failure to assure that the seat adjustment pin was properly engaged prior to takeoff.NTSB MIA95FA239Accident · 1 fatalField investigationFinal reportBeech 58 · Greer, SCoperation of the aircraft by the pilot with a known deficiency (failed mixture control linkage in the right engine), which resulted in loss of power in the right engine; and his failure to maintain control of the airplane during the initial climb after…NTSB MIA95LA236Accident · Minor injuriesLimited investigationFinal reportBell 47G-3B1 · Union Church, MSinadequate maintenance lubrication and inspection of the main rotor head which resulted in the separation of a rod end bearing.NTSB MIA95IA238Incident · Minor injuriesIncident investigationFinal reportBoeing 737-400 · Fort Lauderdale, FLInadequate written maintenance procedures addressing steps to be followed in the event of a component failure during an engine wash. The emergency slides failed to deploy due to improper installation by company maintenance personnel.NTSB BFO95FA097Accident · 1 fatalField investigationFinal reportBeech F33A · Farmingdale, NYfailure of the pilot to maintain pitch control of the airplane during the initial climb after lift-off, which resulted in a steep climb, loss of airspeed, and a resultant stall/spin and subsequent crash. A factor relating to the accident was: failure of the…NTSB ANC95LA172Accident · No injuriesLimited investigationFinal reportMaule M-7-235 · Aniak, AKThe pilot's inadequate weather evaluation. Factors associated with the accident were: the box canyon, rising terrain, wind gusts, and downdrafts.NTSB NYC95LA223Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Auburn, MAThe loss of engine power for undetermined reasons. The lack of suitable terrain for a forced landing was a related factor.NTSB SEA95LA217Accident · 1 fatalLimited investigationFinal reportSchweizer SGS 1-26B · Morgan, UTFailure of the pilot to maintain adequate airspeed, while maneuvering to land after a low altitude tow release, which resulted in a stall/spin and collision with terrain.NTSB LAX95LA336Accident · No injuriesLimited investigationFinal reportSjostrand Wheeler Express · Mariposa, CAthe pilot's premature rotation and liftoff, which resulted in an inadvertent stall and subsequent hard touchdown.NTSB FTW95LA395Accident · Serious injuriesLimited investigationFinal reportSinclair 1100R · Guthrie, OKThe pilot's failure to maintain airspeed resulting in an inadvertent stall.NTSB MIA95LA221Accident · Serious injuriesLimited investigationFinal reportBeech 77 · Hendersonville, NCThe failure of the pilot-in-command to perform preflight weight and balance calculations resulting in the airplane exceeding the maximum gross takeoff weight limitations.NTSB LAX95LA333Accident · No injuriesLimited investigationFinal reportBeech 23 · Las Vegas, NVthe loss of engine power for undetermined reasons. The soft and rough nature of the terrain available for the forced landing was a factor in the accident.NTSB FTW95LA388Accident · No injuriesLimited investigationFinal reportBeech A36 · Broomfield, COThe pilot's inadequate compensation for the wind conditions, and his failure to maintain proper alignment with the runway after lift-off. A factor relating to the accident was: the unfavorable wind condition (gusty crosswind).NTSB NYC95MA220Accident · 12 fatalMajor investigationFinal reportBeech 65 · West Point, VAThe pilot's inadequate preflight/preparation, his failure to ensure proper weight and balance of the airplane, and his failure to obtain/maintain minimum control speed, which resulted in a loss of aircraft control after loss of power in one engine. A factor…NTSB NYC95FA221Accident · 1 fatalField investigationFinal reportRobinson R-22 Beta · Akron, OHthe pilot's failure to maintain control of the rotor RPM, and his improper remedial action, which resulted in the rotor stalling. A contributing factor was the pilot's lack of recent experience in helicopters, and his lack of total experience in make and…NTSB MIA95LA220Accident · No injuriesLimited investigationFinal reportSiai-Marchetti SF.260TP · Lakeland, FLWater contamination in the fuel, and an inadequate preflight inspection by the pilot, which resulted in a loss of engine power.NTSB MIA95LA219Accident · Minor injuriesLimited investigationFinal reportAmerican AA-1 · Sarasota, FLThe pilot's failure to abort the takeoff resulting in a premature takeoff, and subsequent in-flight collision with terrain. The pilot's failure to perform the necessary performance data computations for the flight and his diverted attention due to…NTSB CHI95LA315Accident · No injuriesLimited investigationFinal reportPiper PA-38 · Milwaukee, WIthe pilot's premature liftoff which resulted in a stall.NTSB CHI95LA316Accident · 1 fatalLimited investigationFinal reportCessna 188 · Greenville, MIpilot incapacitation.NTSB FTW95FA380Accident · 2 fatalField investigationFinal reportGrumman American AA-5A · Midland, TXthe pilot's selection of a downwind runway for takeoff. Factors were the tailwind, the density altitude, and the overloading of the airplane.NTSB LAX95LA325Accident · 1 fatalLimited investigationFinal reportChambers C1C · Turlock, CAa loss of engine power due to fuel system contamination and the pilot's failure to maintain an adequate airspeed while maneuvering for an emergency landing. Factors in the accident were: the inadequate procedures used to purge the fuel system of known…NTSB SEA95LA205Accident · Minor injuriesLimited investigationFinal reportCessna 150 · Stehekin, WAThe pilot's failure to maintain airspeed after takeoff.NTSB CHI95LA309Accident · Minor injuriesLimited investigationFinal reportCessna 182 · Walworth, WIloss of engine power which occurred for an undetermined reason. A factor was the soft terrain in the emergency landing site.NTSB CHI95LA293Accident · Serious injuriesLimited investigationFinal reportPatin Challenger II · Cedar Springs, MIinadequate engine maintenance by the owner/pilot-mechanic. Factors associated with the accident were fouled spark plugs and the pilot not being able to maintain proper altitude/clearance between his airplane and the electrical power lines during his landing…NTSB CHI95LA312Accident · No injuriesLimited investigationFinal reportMooney M20C · Ironwood, MIthe pilot's failure to maintain control of the airplane due to his diverted attention.NTSB CHI95FA305Accident · 1 fatalField investigationFinal reportBeech C35 · Omaha, NEthe pilot's failure to maintain airspeed during the takeoff climb. Factors associated with the accident were the pilot's inadequate compensation for the crosswind condition and exceeding the aircraft weight and balance.NTSB CHI95FA301Accident · 1 fatalField investigationFinal reportKiesel Easy Varieze · Dwight, ILinadequate preflight planning by the pilot. A factor associated with this accident was the pilot did not perform an aborted takeoff is sufficient time to safely stop.NTSB SEA95LA201Accident · No injuriesLimited investigationFinal reportBristol RV-6 · Grants Pass, ORa loss of engine power for undetermined reasons.NTSB NYC95LA211Accident · Minor injuriesLimited investigationFinal reportLake LA-4-200 · Seaside Heights, NJThe pilot's inadequate flare for landing, which resulted in an in-flight collision with rough water. Factors relating to the accident were: loss of engine power for an undetermined reason and rough water.NTSB NYC95FA210Accident · 3 fatalField investigationFinal reportCessna 172M · Portland, MEan engine malfunction for an undetermined reason, and the pilot's failure to maintain airspeed during a forced landing which resulted in an accelerated stall. A factor was the pilot's lack of recent experience.NTSB FTW95LA374Accident · Serious injuriesLimited investigationFinal reportCessna 172N · Colorado Spgs, COBlockage of the carburetor by a piece of foreign material, which resulted in a loss of engine power, and failure of the pilot to maintain airspeed, which resulted in an inadvertent stall. The high density altitude and the pilot's failure to properly lean the…NTSB SEA95LA197Accident · Minor injuriesLimited investigationFinal reportCessna 206 · Spokane, WAthe pilot's failure to maintain airspeed while trying to clear a transmission wire. Factors include a transmission wire near the end of the takeoff area and glassy water.NTSB NYC95LA208Accident · Serious injuriesLimited investigationFinal reportAeronca 7AC · Andover, NJThe flight instructor's inadequate preflight which failed to detect an inadequate fuel supply which subsequently resulted in fuel exhaustion and the loss of engine power.NTSB FTW95LA365Accident · Serious injuriesLimited investigationFinal reportFunk, D.D. B-85C · Grants, NMa loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for a forced landing.NTSB FTW95LA364Accident · Serious injuriesLimited investigationFinal reportIsaacson Kolb Twin Star MK II · Mansfield, TXthe loss of engine power for undertermined reasons, and the pilot's failure to maintain airspeed. A factor was the pilot's lack of flying experience.NTSB FTW95FA363Accident · Serious injuriesField investigationFinal reportPiper PA-32R-300 · Wichita Falls, TXthe pilot's failure to maintain airspeed while diverting attention to an open cargo door. A factor was the pilot's inadequate preflight inspection.NTSB CHI95LA298Accident · Serious injuriesLimited investigationFinal reportCessna 172M · Independence, MOthe pilot's failure to perform the pre-takeoff checklist and set the elevator trim tab to the takeoff position.NTSB BFO95LA087Accident · Serious injuriesLimited investigationFinal reportPiper PA-22-150 · South Boston, VALoss of engine power for an undetermined reason. A factor relating to the accident was: the lack of suitable terrain for an emergency landing.NTSB LAX95LA301Accident · Serious injuriesLimited investigationFinal reportNavion A · Groveland, CAfuel starvation, due to the pilot's improper positioning of the fuel selector. The lack of suitable terrain for a forced landing was a related factor.NTSB CHI95LA295Accident · No injuriesLimited investigationFinal reportKraetzner SKY-BUGGY · Princeton, WIthe loss of engine power due to the blocked float valve seat in the carburetor and the pilot's failure to have the proper maintenance inspection performed on the airplane.NTSB BFO95LA083Accident · Serious injuriesLimited investigationFinal reportAeronca 7AC · Warren, OHa loss of engine power/performance for undetermined reasons. Related factors were: the pilot exceeding the airplane's maximum takeoff weight, carburetor icing conditions, a tailwind, and high temperature.NTSB FTW95LA357Accident · No injuriesLimited investigationFinal reportCessna 152 · Bristow, OKThe pilot's failure to maintain clearance. A factor was the fence at the end of the airstrip.NTSB ATL95LA161Accident · Serious injuriesLimited investigationFinal reportRonsrans R 12 · Clanton, ALThe pilot's failure to maintain proper flying speed, and the improper mixture of the fuel.NTSB NYC95LA194Accident · 2 fatalLimited investigationFinal reportGreat Lakes 2T1-A2 · Fombell, PAthe loss of engine power for undetermined reasons, and the pilot's failure to maintain airspeed.