NTSB investigations, NH
180,610 investigations by the National Transportation Safety Board since 1962: 174,589 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.
Cases, newest first
Query with SQL
duckdb -csv -c "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\" = 'NH' AND c.\"eventCountry\" = 'USA' 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.
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" = 'NH' AND c."eventCountry" = 'USA' ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run 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 NYC96LA138Accident · No injuriesLimited investigationFinal reportLake LA-4-200 · Wolfeboro, NHThe pilot's improper flare, which resulted in a hard landing and nose over. The glassy water condition was a related factor.NTSB IAD96LA073Accident · Minor injuriesLimited investigationFinal reportTaylorcraft BCS-65 · Wolfeboro, NHthe pilot's failure to maintain control and altitude of the seaplane while circling to draw attention before landing on the lake. A related factor was that the aircraft was not equipped with a radio.NTSB IAD96FA074Accident · 1 fatalField investigationFinal reportLake LA-4-200 · Sunapee, NHthe pilot's failure to maintain control of the airplane. Factors in this accident were: the pilot's lack of currency in type and model airplane, and not following the requirement for the pilot to have a flight instructor onboard during water landings.NTSB NYC96LA097Accident · Serious injuriesLimited investigationFinal reportPiper PA-22-150 · Chester, NHThe pilot's misjudged distance and altitude during final approach.NTSB NYC96LA050Accident · No injuriesLimited investigationFinal reportCessna 172M · Nashua, NHthe pilot's inadequate crosswind compensation during the go-around.NTSB NYC96LA037Accident · No injuriesLimited investigationFinal reportCessna 150M · Moultonboro, NHfailure of the pilot to maintain directional control of the airplane during the landing, which allowed the plane to depart the runway and collide with a snowbank. A factor relating to the accident was: the icy runway condition.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 NYC95LA183Accident · No injuriesLimited investigationFinal reportBeech C23 · Dublin, NHThe loss of engine power due to improper major overhaul of the engine by the reuse of worn piston pins. The rough/ uneven terrain in the emergency landing area was a factor.NTSB NYC95LA073Accident · No injuriesLimited investigationFinal reportBeech 23 · Plymouth, NHThe pilot's failure to maintain runway alignment during the aborted takeoff. Factors related to the accident were: the adverse runway conditions and snowbank beside the runway.NTSB NYC95LA055Accident · No injuriesLimited investigationFinal reportBeech C23 · Rochester, NHThe pilot's inadequate inflight planning/decision and inadvertently turning the ignition switch to the off position. A factor was the ignition switch stuck in the off position.NTSB NYC95LA051Accident · No injuriesLimited investigationFinal reportCessna 152 · Belmont, NHThe pilot's inadequate preflight of the airplane that failed to detect the ice clogged breather which resulted in the loss of oil and a subsequent emergency landing.NTSB NYC95DNC01Accident · No injuriesFinal reportWyman Scorpion II · Cornish Flat, NHPartial failure and subsequent partial separation of skin on the underside of one main rotor blade, which resulted in a severe vibration, in-flight loss of aircraft control, and impact with the ground during an attempted autorotation.NTSB NYC95LA026Accident · Serious injuriesLimited investigationFinal reportBalloon Works Firefly 7 · Nashua, NHThe pilot's improper touchdown which resulted in a rollover.NTSB NYC95LA028Accident · No injuriesLimited investigationFinal reportRans/Hine S-10 · Hampton, NHa seized piston in the foward cylinder due to a lean mixture.NTSB NYC95LA003Accident · No injuriesLimited investigationFinal reportCessna 172N · Center Harbor, NHThe pilot's inadequate compensation for a crosswind condition.NTSB NYC95LA004Accident · No injuriesLimited investigationFinal reportCessna 182N · New London, NHthe failure of the number four push rod, which resulted in the complete loss of engine power and forced landing, and the subsequent nose over on soft terrain.NTSB BFO94LA156Accident · No injuriesLimited investigationFinal reportCessna 195B · Ossipee, NHSeparation of the left main landing gear due to fatigue failure.NTSB BFO94LA153Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Wolfeboro, NHThe pilot's failure to maintain directional control during landing which resulted in inflight collission with trees.NTSB BFO94LA146Accident · Serious injuriesLimited investigationFinal reportAdvanced Acft Waco 10 GXE · Rochester, NHthe partial loss of engine power for undetermined reasons. Related factors were unsuitable terrain (trees) and the inadvertent stall.NTSB BFO94LA131Accident · No injuriesLimited investigationFinal reportPiper PA-28-236 · Wolfeboro, NHThe pilot's inadequate inflight decision, which resulted in a downwnind landing and overrun of the runway.NTSB NYC94LA155Accident · No injuriesLimited investigationFinal reportRolladen-Schneider LS-4A · Cannan, NHThe pilot's failure to maintain airspeed which resulted in an inadvertent stall and inflight collision with terrain. Factors were a loss of lift and the pilot's in-flight decision to maneuver too close to the ridge.NTSB NYC94LA108Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Bristol, NHthe failure of maintenance personnel to remove an object from the carburetor heat duct during annual inspection which blocked induction air and resulted in the loss of engine power, and the subsequent collision with the terrain during a forced landing.NTSB BFO94LA081Accident · Serious injuriesLimited investigationFinal reportCessna 150K · Hollis, NHThe pilot's inadequate preflight inspection which failed to detect contaminated fuel which resulted in fuel starvation.NTSB NYC94LA073Accident · Minor injuriesLimited investigationFinal reportBurkhart Grob G109B · Nashua, NHThe certified flight instructor's delay in taking remedial action, which resulted in the motor-glider colliding with trees.NTSB NYC94LA043Accident · No injuriesLimited investigationFinal reportBeech A-36-TC · Hillsboro, NHLoss of engine power for undetermined reasons.NTSB NYC94FA029Accident · 2 fatalField investigationFinal reportAerospatiale TB-21 · Lebanon, NHThe pilot's failure to maintain adequate terrain clearance which resulted in an inflight collision with the terrain. A factor was a dark night condition.NTSB NYC94LA024Accident · No injuriesLimited investigationFinal reportPiper J3 · Greenland, NHThe pilot's improper landing flare which resulted in a hard landing.NTSB NYC93LA181Accident · No injuriesLimited investigationFinal reportBeech 19 · Wolfboro, NHThe pilot's failure to abort the takeoff which resulted in an overrun of the runway. Factors were a dirt bank, and the pilot's premature lift off, his failure to attain adequate airspeed, and his lack of recency of experience.NTSB NYC93LA172Accident · 1 fatalLimited investigationFinal reportBellanca 7ECA · Ashland, NHThe pilot's improper decision to leave the airplane unattended with the engine operating.NTSB NYC93LA143Accident · Serious injuriesLimited investigationFinal reportBalloon Works Fire FLY 7-15 · Milford, NHUnfavorable winds during landing which resulted in a hard landing and one passenger sustaining a broken angle.NTSB BFO93LA139Accident · Serious injuriesLimited investigationFinal reportTaylorcraft BF12-65 · Sunappee, NHThe passenger's failure to follow proper procedures and inadequate supervision by the pilot.NTSB BFO93FA135Accident · 2 fatalField investigationFinal reportKrowell Christen Eagle II · Lebanon, NHInadequate crew/group coordination.NTSB BFO93FA103Accident · 2 fatalField investigationFinal reportCessna 180K · Webster, NHThe pilot's inadequate preflight planning/preparation, his failure to assure proper weight and balance of the aircraft for takeoff, and his failure to obtain and/or maintain adequate airspeed, which resulted in a stall. A possible factor related to the…NTSB NYC93FA127Accident · 2 fatalField investigationFinal reportBoeing Stearman PT-17 · Concord, NHLoss of airplane control as the result of incapacitation.NTSB BFO93LA099Accident · No injuriesLimited investigationFinal reportCessna 177 · Newport, NHThe pilot's failure to properly recover from a bounced landing, and his failure to maintain directional control during the aborted landing.NTSB NYC93LA078Accident · Serious injuriesLimited investigationFinal reportCessna 172 · Durham, NHImproper planning/decision by the pilot, which resulted in fuel exhaustion and loss of engine power. Factors related to the accident were flight into adverse weather conditions, failure to obtain inflight weather information, and pilot fatigue.NTSB BFO93LA020Accident · No injuriesLimited investigationFinal reportDornier DO-228-202 · Manchester, NHIncorrect installation of the seals in the nose gear assembly, which prevented the nose gear from locking in the down position.NTSB NYC93LA041Accident · Minor injuriesLimited investigationFinal reportCessna T210 · Londonderry, NHThe pilot's inadequate inflight decision which resulted in fuel exhaustion and the loss of engine power. Contributing was the pilot's inadequate preflight planning and preparation.NTSB NYC93LA036Accident · Minor injuriesLimited investigationFinal reportPiper PA-32RT-301T · Jaffrey, NHAn improper weld by other maintenance personnel which resulted in the nose gear collapsing, and a loss of directional control on takeoff.NTSB NYC93LA008Accident · No injuriesLimited investigationFinal reportCessna 152 II · Milford, NHThe instructor pilots improper in-flight planning, and his failure to maintain a proper glide path to the forced landing area. A factor in this accident was the instructor's decision to shut down the engine during a 'simulated' engine failure .NTSB NYC93LA004Accident · 1 fatalLimited investigationFinal reportLake LA-250 · Franklin, NHThe pilot's misjudged touchdown on the water which resulted in a porpoised landing. Also causal to the accident was his improper recovery from the porpoise, resulting in a loss of airplane control and collision with the water. Factors related to the accident…NTSB NYC92LA154Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Keene, NHAn inadvertent stall during flap retraction, following an aborted landing.NTSB BFO92LA110Accident · Minor injuriesLimited investigationFinal reportCessna 152 · Belmont, NHInadequate in-flight planning/decision by the pilot.NTSB BFO92LA099Accident · Serious injuriesLimited investigationFinal reportPiper PA28-161 · Brentwood, NHA delay by the pilot in aborting the landing which resulted in failure to clear the obstacles.NTSB BFO92FA094Accident · 2 fatalField investigationFinal reportMitsubishi MU-2B-40 · Concord, NHLoss of control during flight for undetermined reason(s).NTSB NYC92LA121Accident · Serious injuriesLimited investigationFinal reportBellanca 7GCBC · Bedford, NHPhysical impairment of the pilot as the result of alcohol consumption, resulting in his failure or inability to maintain control of the airplane. Factors which contributed to the accident were: the pilot's poor judgement in buzzing residences and his failure…NTSB NYC92LA045Accident · No injuriesLimited investigationFinal reportCessna 152 · Orford, NHThe student pilot became lost and disoriented.NTSB NYC92LA010Accident · 1 fatalLimited investigationFinal reportBalloon Works Firefly 7 · Webster, NHFailure of the ground crewman (from another Balloon) to recognize the hazardous condition that existed, when the Balloon came in contact with a high voltage power line during a precautionary landing. Factors related to the accident were: the lack of suitable…NTSB NYC91LA253Accident · No injuriesLimited investigationFinal reportNorth American T-6G · Manchester, NHThe pilot's failure to maintain control. A factor was the unforecasted strong cross winds.NTSB NYC91DNC05Accident · No injuriesFinal reportHomebuilt Avid Flyer · Keene, NHA loss of control due to improper use of the flight controls. Factors related to the accident were the pilot's lack of experience in make and model.