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NTSB investigations, NH

133 cases where the phase of flight was Enroute.

Cases per year

19642026

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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\" = 'NH' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 400)
  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.

NTSB ERA25LA265Accident · Serious injuriesClass 3 · LimitedPreliminary reportMoyes Liteflite PTY C Dragonfly · Charlestown, NHOn July 13, 2025, about 1915 eastern daylight time, a Moyes Liteflite Model C Dragonfly airplane, N4010E, was substantially damaged when it was involved in an accident near Charleston, New Hampshire. The pilot was seriously injured. The airplane was operated…Jul 13, 2025 · N4010E · Substantial damageNTSB ERA24LA276Accident · Minor injuriesClass 3 · LimitedFinal reportSnyder Searey · New Ipswich, NHA total loss of engine power due to the exhaust muffler and tailpipe assembly separating from its attach points and impacting the propeller.Jun 25, 2024 · N453TS · Substantial damageNTSB ENG20IA006Incident · No injuriesClass 3 · IncidentFinal reportDe Havilland DHC8 · Keene, NHThe arcing failure of the windshield heat L2 power wire on the right windshield due to unknown reasons.Dec 9, 2019 · C-GNON · Minor damageNTSB GAA19CA168Accident · No injuriesData collectionFinal reportHughes TH 55 · Keene, NHThe helicopter’s collision with a bird during cruise flight.Mar 13, 2019 · N8045H · Substantial damageNTSB ERA17FA241Accident · 1 fatalField investigationFinal reportExtra Flugzeugbau EA 300/L · Winchester, NHThe noninstrument-rated pilot's continued visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation and collision with terrain. Contributing to the accident was the pilot's self-induced pressure to complete…Jul 13, 2017 · N210MX · DestroyedNTSB GAA16CA432Accident · No injuriesData collectionFinal reportCessna 150 · North Conway, NHThe pilot's improper fuel management, which resulted in fuel exhaustion, a total loss of engine power, a forced landing, and nose over.Aug 15, 2016 · N7157X · Substantial damageNTSB GAA16CA016Accident · No injuriesData collectionFinal reportCentral Missouri State Univ HP 14 · Jackson, NHThe glider pilot's decision to descend into a broken to overcast cloud layer, which resulted in encountering instrument meteorological conditions and the pilot parachuting from the glider. Contributing to the accident was the pilot's lack of planning for an…Oct 14, 2015 · N102MW · Substantial damageNTSB ERA15LA072Accident · Minor injuriesLimited investigationFinal reportCessna 150J · Brookline, NHThe student pilot’s failure to maintain clearance from a wire during an off-airport landing following a partial loss of engine power for reasons that could not be determined during postaccident examination.Dec 5, 2014 · N50709 · Substantial damageNTSB ERA13LA327Accident · Minor injuriesLimited investigationFinal reportUnivair 108-1 · Tuftonboro, NHMaintenance personnel’s failure to remove circumferential gouges in the aft radius of the R2 rod journal on the crankshaft during its last engine overhaul, which resulted in the fatigue failure of the crankshaft and a subsequent total loss of engine power.Jul 17, 2013 · N8721K · Substantial damageNTSB ERA13FA039Accident · 2 fatalField investigationFinal reportBeech A36 · Hooksett, NHThe pilot's total incapacitation in flight due to an acute heart attack.Oct 25, 2012 · N4325W · Substantial damageNTSB ERA12LA332Accident · Serious injuriesLimited investigationFinal reportStinson SR-7B · West Ossipee, NHThe pilot's inadequate application of carburetor heat which resulted in the formation of carburetor ice and a partial loss of engine power.May 13, 2012 · N16122 · Substantial damageNTSB ERA09LA511Accident · Minor injuriesLimited investigationFinal reportAir Creation 582SL · Strafford, NHA loss of engine power for undetermined reasons.Sep 5, 2009 · N699AC · Substantial damageNTSB ERA09LA105Accident · Serious injuriesLimited investigationFinal reportBell 407 · Bow, NHAn interruption of fuel flow for undetermined reasons, which resulted in an engine flameout.Dec 22, 2008 · N407GB · Substantial damageNTSB ERA09LA021Accident · No injuriesLimited investigationFinal reportSteele John J Acro Sport · Madison, NHThe loss of engine power due to carburetor icing as a result of the pilot's failure to apply carburetor heatOct 15, 2008 · N896JC · Substantial damageNTSB NYC06FA027Accident · Serious injuriesField investigationFinal reportEmbraer 110P1 · Manchester, NHThe pilot’s misapplication of flight controls following an engine failure. Contributing to the accident was the failure of the sun gear, which resulted in the loss of engine power. Contributing to the sun gear failure were the engine manufacturer’s…Nov 8, 2005 · N7801Q · DestroyedNTSB NYC05LA130Accident · Minor injuriesLimited investigationFinal reportRaytheon A36 · Nashua, NHThe pilot's inadequate preflight planning, which resulted in a loss of engine power due to fuel exhaustion, and subsequent collision with trees during a forced landing.Aug 7, 2005 · N838DM · Substantial damageNTSB IAD05LA114Accident · 2 fatalLimited investigationFinal reportConvair BT-13A · Lyme, NHThe pilot's improper fuel management which resulted in an incorrect fuel selector position, fuel starvation, and subsequent loss of engine power. A factor in the accident was the pilot's failure to maintain adequate airspeed and inadvertent stall.Aug 3, 2005 · N49646 · DestroyedNTSB IAD05LA089Accident · 1 fatalLimited investigationFinal reportLongtin Kitfox Model III · New London, NHThe pilot's failure to maintain airspeed, which resulted in an inadvertent stall/spin. A factor in the accident was the tail wind condition.Jul 2, 2005 · N795JL · Substantial damageNTSB NYC05FA042Accident · 1 fatalField investigationFinal reportEmbraer EMB-110P1 · Swanzey, NHThe pilot's improper decision to attempt a single-engine missed approach with the airplane in a slow airspeed, full flap configuration, which resulted in a minimum control speed (Vmc) roll. Contributing factors included an inoperative engine for undetermined…Jan 14, 2005 · N49BA · DestroyedNTSB NYC04FA157Accident · 1 fatalField investigationFinal reportLake LA-4-200 · Wilmot, NHThe pilot's continued VFR flight into IMC conditions, and his failure to maintain terrain clearance, which resulted in a controlled flight into terrain. Factors in the accident were the low cloud ceiling and the pilot's lack of recent instrument time.Jul 5, 2004 · N6248V · Substantial damageNTSB NYC02LA002Accident · Minor injuriesLimited investigationFinal reportBeech C-45H · Hudson, NHThe pilot/owner's failure to properly identify the inoperative engine prior to feathering the wrong propeller, and his lack of familiarity with the required corrective procedures. A factor was the initial engine failure.Oct 2, 2001 · N8393H · Substantial damageNTSB NYC01FA056Accident · 1 fatalField investigationFinal reportCessna 310Q · Chesterfield, NHThe pilot's continued flight into icing conditions, and his failure to use alternate air. A factor was the icing conditions.Dec 14, 2000 · N55QS · DestroyedNTSB NYC99LA200Accident · Minor injuriesLimited investigationFinal reportCessna 208 · Hillsborough, NHan inadequate auxiliary fuel tank installation which resulted in a leak of undetermined origin.Aug 13, 1999 · N193GE · DestroyedNTSB NYC99LA068Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-140 · Wolfeboro, NHThe pilot's failure to attain a proper touchdown point. A factor in the accident was the pilot's failure to use a preflight briefing service, resulting in an in flight encounter with snow, and subsequent precautionary landing.Feb 28, 1999 · N8790N · Substantial damageNTSB NYC99FA041Accident · 2 fatalField investigationFinal reportPiper PA-28R-180 · Randolph, NHThe pilot's continued VFR flight into instrument meteorological conditions which led to spatial disorientation and loss of aircraft control. Also causal was the pilot exceeded the design limits of the aircraft which resulted in an in-flight separation.…Dec 28, 1998 · N4591J · DestroyedNTSB IAD99LA002Accident · No injuriesLimited investigationFinal reportNavion A · Jaffrey, NHThe pilot's inadequate aircraft preflight and subsequent failure to refuel the aircraft resulting in fuel exhaustion. A factor was the lack of suitable terrain to execute a forced landing.Oct 3, 1998 · N4285K · Substantial damageNTSB NYC98LA152Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-151 · Newport, NHThe seizure of the throttle shaft, due to the overhaul facilities' failure to insure all metal fragments had been removed from the carburetor before inserting the throttle shaft after reaming the throttle shaft bushings.Jul 24, 1998 · N44438 · DestroyedNTSB IAD97FA043Accident · 2 fatalField investigationFinal reportPiper PA-28-236 · Alton, NHAn exhaust gas leak, due to inadequate maintenance, which resulted in carbon monoxide poisoning, and incapacitation of the pilot.Jan 17, 1997 · N8263Y · DestroyedNTSB 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.Aug 7, 1995 · N9310S · Substantial damageNTSB 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.Feb 15, 1995 · N812Y · Substantial damageNTSB 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.Feb 7, 1995 · N6182P · Substantial damageNTSB 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.Oct 8, 1994 · N8903G · Substantial damageNTSB NYC94LA043Accident · No injuriesLimited investigationFinal reportBeech A-36-TC · Hillsboro, NHLoss of engine power for undetermined reasons.Dec 26, 1993 · N3736F · Substantial damageNTSB BFO92LA110Accident · Minor injuriesLimited investigationFinal reportCessna 152 · Belmont, NHInadequate in-flight planning/decision by the pilot.Jul 22, 1992 · N93361 · Substantial damageNTSB BFO92FA094Accident · 2 fatalField investigationFinal reportMitsubishi MU-2B-40 · Concord, NHLoss of control during flight for undetermined reason(s).Jul 9, 1992 · N220MA · DestroyedNTSB NYC92LA045Accident · No injuriesLimited investigationFinal reportCessna 152 · Orford, NHThe student pilot became lost and disoriented.Dec 11, 1991 · N48156 · Substantial damageNTSB NYC91LA200Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Alton, NHThe pilot's improper use of carburetor heat, which resulted in a loss of engine power.Aug 1, 1991 · N4436M · Substantial damageNTSB BFO91FA049Accident · 1 fatalField investigationFinal reportCessna 172N · Lebanon, NHThe pilot's failure to maintain adequate terrain clearance. Contributing was mountainous terrain, low clouds, and VFR flight into IMC.May 17, 1991 · N4650G · DestroyedNTSB NYC91LA084Accident · Minor injuriesLimited investigationFinal reportCessna 210 · East Swanzey, NHThe pilot's lack of familiarity with this airplane and his inadequate preflight, which resulted in miscalculations of fuel consumption and subsequent fuel exhaustion. Factors related to this accident were: the leaking of fuel caps, the inaccurate fuel…Mar 7, 1991 · N747IE · Substantial damageNTSB NYC91LA029Accident · 1 fatalLimited investigationFinal reportPiper PA-32-301R · Alton, NHThe total loss of engine power for undetermined reasons. Contributing to the severity of the accident was the unsuitable terrain in which the forced landing was made.Nov 16, 1990 · N8473H · Substantial damageNTSB NYC91FA001Accident · 3 fatalField investigationFinal reportCessna 172P · Gorham, NHImproper planning/decision by the pilot, and his failure to maintain proper altitude while flying over mountainous terrain. Factors related to the accident were: darkness, mountainous terrain, and pilot fatigue.Oct 2, 1990 · N98438 · DestroyedNTSB NYC90LA228Accident · Minor injuriesLimited investigationFinal reportPiper PA-12 · Franconia, NHThe landing of the airplane in unsuitable terrain, due to the mechanical failure of the engine center muffler baffle, which blocked the exhaust flow, resulting in a loss of power.Sep 23, 1990 · N2770M · Substantial damageNTSB NYC90LA069Accident · No injuriesLimited investigationFinal reportCessna 172P · Sunapee Lake, NHFailure of the pilot to maintain adequate altitude above the lake, which resulted in unplanned contact with its frozen surface.Feb 9, 1990 · N65057 · Substantial damageNTSB NYC89LA207Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-180 · Sanbornton, NHVFR flight into instrument meteorological conditions (IMC) by the pilot, and his inadequate remedial action to correct the situation. The adverse weather conditions and darkness were related factors.Sep 2, 1989 · N9334J · Substantial damageNTSB NYC89FA206Accident · 4 fatalField investigationFinal reportCessna 172P · Northfield, NHThe pilot initiated flight into known adverse weather which resulted in a loss of control. Contributing factor(s) was: the pilot's overconfidence and the existing weather conditions.Sep 2, 1989 · N65595 · DestroyedNTSB NYC89LA181Accident · No injuriesLimited investigationFinal reportCessna 185D · Wolfeboro, NHLoss of engine power for an unknown reason. Factors related to the accident were: the obstructions (trees & boats) in the emergency landing area.Jul 31, 1989 · N1526F · Substantial damageNTSB NYC89LA044Accident · No injuriesLimited investigationFinal reportPiper PA-34-200 · Laconia, NHAircraft striking the road sign after the aircraft experienced a double power loss due to mismanagement of the fuel system by the pilot.Dec 7, 1988 · N16502 · Substantial damageNTSB NYC88LA117Accident · No injuriesLimited investigationFinal reportMooney M20 · Manchester, NHMaintenance personnel improperly installed the number two connecting rod (p/n L-10646) causing it to separate, create a hole in the engine case, loss of engine oil and engine power. Due to the pilot's improper inflight decision, he performed a wheels up…Mar 27, 1988 · N2746W · Substantial damageNTSB NYC88LA008Accident · 1 fatalLimited investigationFinal reportBeech F-33A · Concord, NHThe plt obtained a telephone wx briefing then filed an IFR flt plan for a 1030 EDT departure fm Concord municipal airport. The plt rptd off Concord at 800 ft and climbing at 1047. Manchester departure control acknowledged, assigned a transponder code, and…Oct 11, 1987 · N17985 · DestroyedNTSB NYC87LA263Accident · Serious injuriesLimited investigationFinal reportCessna 182 · Kingston, NHDuring flight, the pilot noticed the engine RPM was high. He was unable to control the RPM with the prop control. He reduced the throttle setting, but soon thereafter, the engine began running rough with a severe vibration. The pilot selected a field for an…Sep 29, 1987 · N7388S · Destroyed