NTSB investigations, MD
100 cases where the phase of flight was Takeoff.
Cases per year
| 1964 | 4 |
|---|---|
| 1965 | 2 |
| 1966 | 1 |
| 1967 | 3 |
| 1968 | 1 |
| 1969 | 4 |
| 1970 | 2 |
| 1971 | 3 |
| 1972 | 1 |
| 1973 | 5 |
| 1974 | 1 |
| 1975 | 2 |
| 1977 | 4 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 2 |
| 1989 | 2 |
| 1990 | 1 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 1 |
| 1995 | 3 |
| 1996 | 2 |
| 1997 | 3 |
| 1998 | 1 |
| 1999 | 4 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 2 |
| 2010 | 3 |
| 2013 | 4 |
| 2014 | 2 |
| 2015 | 3 |
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2026 | 2 |
Where
Open the mapLatest cases
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.\"eventStateOrRegion\" = 'MD' AND c.\"eventCountry\" = 'USA'
AND 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."eventStateOrRegion" = 'MD' AND c."eventCountry" = 'USA'
AND 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 ERA26LA343Accident · No injuriesClass 4 · LimitedInvestigation openCirrus Design SR20 · California, MDNTSB ERA26LA147Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA24-180 · Leonardtown, MDThe pilot’s failure to maintain control during a crosswind takeoff, which resulted in a runway excursion and impact with a drainage ditch.NTSB ERA24LA380Accident · No injuriesClass 3 · LimitedFinal reportPiper PA32 · Baltimore, MDThe undetected worn internal parts of the on-condition carburetor, which restricted movement of the float, resulting in fuel starvation. Contributing to the severity of the accident was the pilot’s delayed reduction of the throttle when performing a forced…NTSB ERA24LA008Accident · Serious injuriesClass 3 · LimitedFinal reportRotorsport UK Mtosport 2017 · Easton, MDThe pilot’s failure to maintain control of the gyroplane on takeoff.NTSB ERA22LA260Accident · No injuriesClass 4 · LimitedFinal reportBoyle Joseph E BOYLE-JN 1 · Hagerstown, MDThe pilot’s failure to maintain control during takeoff in a crosswind, which resulted in abnormal runway contact and a runway excursion.NTSB ERA22LA057Accident · No injuriesClass 4 · LimitedFinal reportCessna/Air Repair 305F · Anne Arundel, MDThe pilot’s failure to maintain directional control during takeoff, which resulted in a runway excursion and substantial damage.NTSB ERA21LA170Accident · No injuriesClass 3 · LimitedFinal reportMooney M20C · College Park, MDImproper maintenance of the airplane by its owners and their failure to have qualified maintenance personnel determine the root cause of water infiltration into the fuel system. Also causal was the pilot’s inadequate preflight inspection, which failed to…NTSB ERA20CA091Accident · No injuriesData collectionFinal reportCessna 185 · Laytonsville, MDThe failure of the tailwheel attachment tube during the takeoff roll, which resulted in a loss of directional control, a runway excursion, and the left main landing gear collapsing.NTSB GAA20CA026Accident · Minor injuriesData collectionFinal reportLlewellyn, Warwinc W Vans RV-4 · Lusby, MDThe pilot's failure to maintain lateral control during takeoff, which resulted in impact with terrain and a subsequent cartwheel.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 ERA19LA187Accident · Minor injuriesClass 3 · LimitedFinal reportAvid Avid Magnum · Frederick, MDThe pilot’s loss of directional control during the takeoff roll, which resulted in a runway excursion. Contributing to the accident was the pilot’s and instructor’s lack of experience in the make and model of the airplane.NTSB GAA17CA258Accident · Minor injuriesData collectionFinal reportAutogyro Calidus · Stevensville, MDThe pilot’s improper takeoff procedure, which resulted in a loss of directional control during the takeoff.NTSB GAA16CA088Accident · No injuriesData collectionFinal reportDay William L Minicoupe · Middle River, MDThe pilot's incorrect installation of the rudder horn and failure to properly inspect the installation, which led to a loss of directional control during takeoff.NTSB GAA15CA014Accident · No injuriesData collectionFinal reportCostruzioni Aeronautiche Tecna P92 Eaglet · Cambridge, MDThe pilot's failure to maintain directional control during takeoff.NTSB ERA15LA123Accident · Serious injuriesLimited investigationFinal reportAmerican AA-1 · Fort Meade, MDThe mechanic’s failure to detect the incorrect dry valve tappet clearances while troubleshooting ongoing engine issues, which resulted in partial loss of engine power during takeoff. Contributing to the partial loss of engine power was the mechanic's failure…NTSB ERA14CA408Accident · No injuriesData collectionFinal reportDay William L Minicoupe · Baltimore, MDThe pilot/owner/builder's improper weight and balance calculations, which rendered the airplane uncontrollable in the pitch axis.NTSB ERA14CA258Accident · No injuriesData collectionFinal reportCostruzioni Aeronautiche Tecna P92 Eaglet · Stevensville, MDThe student pilot's failure to maintain directional control of the airplane during the takeoff roll.NTSB ERA13CA423Accident · No injuriesData collectionFinal reportCostruzioni Aeronautiche Tecna P2002 Sierra · Ridgely, MDThe flight instructor's failure to maintain adequate airspeed during takeoff, which resulted in an aerodynamic stall and collision with terrain.NTSB ERA13LA391Accident · Serious injuriesLimited investigationFinal reportMooney M20C · Mitchellville, MDThe pilot’s failure to ensure that the wing flaps were properly configured before takeoff.NTSB ERA13CA383Accident · No injuriesData collectionFinal reportCessna 150L · Chestertown, MDThe student pilot's improper control inputs which resulted in a loss of control and aerodynamic stall. Contributing to the accident was the flight instructor's delayed remedial action.NTSB ERA13CA305Accident · No injuriesData collectionFinal reportCirrus Design SR22 · Stevensville, MDThe pilot's failure to maintain directional control during the takeoff. Factors in the accident were the pilot's over-rotation at takeoff, and his failure to abort the takeoff prior to the runway excursion.NTSB ERA10LA375Accident · No injuriesLimited investigationFinal reportCessna 182 · Crisfield, MDThe pilot's delayed decision to abort the takeoff, which resulted in a runway excursion.NTSB ERA10LA189Accident · No injuriesLimited investigationFinal reportCessna 120 · Annapolis, MDA loss of engine power for undetermined reasons.NTSB ERA10CA183Accident · No injuriesData collectionFinal reportPiper PA-30 · Baltimore, MDThe pilot's inadvertent retraction of the landing gear during a touch-and-go landing. Contributing to the accident was the pilot's lack of recent experience in the make and model airplane.NTSB NYC08CA313Accident · No injuriesData collectionFinal reportDiamond Aircraft Industry DA 20-C1 · Stevensville, MDThe student pilot's failure to maintain directional control during takeoff.NTSB NYC08LA291Accident · No injuriesLimited investigationFinal reportCessna 441 · Baltimore, MDThe pilot's delayed decision to abort the takeoff. Contributing to the accident was the pilot's attempted takeoff with a propeller start lock inadvertently engaged.NTSB OPS08IA002Incident · No injuriesIncident investigationFinal reportBombardier CRJ1 · Baltimore, MDThe probable cause of this incident is local controller's failure of maintaining awareness of the situation and failing to provide the appropriate separation between the two aircraft operating on intersecting runways. Providing separation between aircraft is…NTSB NYC06LA134Accident · No injuriesLimited investigationFinal reportClassic Waco YMF · Hagerstown, MDThe pilot's failure to maintain directional control during takeoff.NTSB NYC04LA040Accident · No injuriesLimited investigationFinal reportBeech H-18 · Westminster, MDThe pilot's failure to maintain control of the airplane after a failure of one propeller system. Factors in the accident were the failure to perform maintenance inspection and the failure of a bolt in the left propeller blade system.NTSB DCA03IA005Incident · No injuriesIncident investigationFinal reportBoeing 757-200 · Baltimore, MDThe captain's improper procedures regarding stall avoidance and recovery. Contributing to the incident were the partial blockage of the pitot static system, and the flight crew's improper decisions regarding their use of inaccurate airspeed indications.…NTSB IAD01LA094Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Odenton, MDImproper maintenance inspections, which resulted in a blocked carburetor.NTSB NYC00LA192Accident · No injuriesLimited investigationFinal reportLuscombe 8A · Westminster, MDthe delayed corrective action by the flight instructor. Factors were the failure of the private pilot to maintain directional control, his failure to use the brakes, and the lack of brakes on the right side for the flight instructor.NTSB NYC00LA045Accident · Minor injuriesLimited investigationFinal reportCessna TR 182 · Clarksville, MDDeer that entered the runway environment while the pilot was executing a takeoff.NTSB NYC00LA028Accident · No injuriesLimited investigationFinal reportCessna 152 · Rising Sun, MDThe PIC CFI's improper planning/decision to perform a downwind takeoff. A factor in this accident was the tail wind condition.NTSB NYC00LA009Accident · Minor injuriesLimited investigationFinal reportGrumman G164 · Burkittsville, MDThe vehicle drivers inadequate lookout.NTSB NYC99LA120Accident · No injuriesLimited investigationFinal reportCessna 172N · Churchville, MDThe pilot's failure to maintain directional control during the takeoff roll. Factors were the pilot's lack of recent experience, and the crosswind.NTSB IAD98LA099Accident · No injuriesLimited investigationFinal reportMooney M-20C · Kent Island, MDthe pilot's improper takeoff technique and his failure to abort the takeoff.NTSB NYC98FA041Accident · 3 fatalField investigationFinal reportPiper PA-32-260 · Pittsville, MDthe pilot's impairment of judgment and performance due to alcohol, his resultant improper planning/decision and flight in instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude while flying over wooded terrain. Factors…NTSB NYC98LA008Accident · No injuriesLimited investigationFinal reportBoeing Stearman PT-17 · Elkton, MDThe inadequate lookout by the pilot of the Cessna and his failure to maintain adequate clearance between his airplane and the active runway. A factor in the accident was the lack of taxiway hold signs or lines.NTSB NYC97LA056Accident · No injuriesLimited investigationFinal reportCessna 150 · Clarksville, MDThe pilot's failure to maintain directional control and failure to abort the takeoff.NTSB IAD96LA130Accident · No injuriesLimited investigationFinal reportPiper PA-32-260 · Gaithersburg, MDthe unexpected appearance of a deer on the runway.NTSB IAD96LA112Accident · No injuriesLimited investigationFinal reportPiper PA-38-112 · Salisbury, MDthe student pilot's failure to maintain directional control during the takeoff roll.NTSB BFO95LA080Accident · No injuriesLimited investigationFinal reportCessna 182F · Mitchellville, MDthe pilot's delay in aborting the takeoff.NTSB BFO95LA063Accident · Minor injuriesLimited investigationFinal reportBeech F33A · Ft Washington, MDA loss of engine power for an undetermined reason(s).NTSB BFO95LA031Accident · No injuriesLimited investigationFinal reportRobinson R-22B · Frederick, MDthe helicopter pilot's inadequate control of the aircraft during the attempted takeoff.NTSB NYC93LA057Accident · Minor injuriesLimited investigationFinal reportCessna 150K · Hagerstown, MDThe failure of the flight instructor to adequately supervise the student pilot, and take control of the airplane in a timely manner which resulted in the airplane departing the runway and striking a tower. Factors related to the accident were the improper use…NTSB BFO92LA087Accident · No injuriesLimited investigationFinal reportPiper J3C · Frederick, MDThe pilot's improper use of carburetor heat resulting in the formation of carburetor ice. Carburetor icing weather conditions was a factor.NTSB NYC92LA108Accident · No injuriesLimited investigationFinal reportBurkhart Grob G-109B · Woodbine, MDThe student pilot's failure to maintain directional control of the glider during takeoff, which resulted in a ground loop. Factors related to the accident were the student's lack of total flight experience, the instructor's lack of flight experience in this…NTSB BFO91LA066Accident · No injuriesLimited investigationFinal reportCessna 175B · Farmington, MDAn aborted takeoff due to the pilot's reported binding of the elevator.NTSB BFO91FA040Accident · 2 fatalField investigationFinal reportCessna 195 · California, MDThe loss of power for undetermined reasons.