NTSB investigations, CA

137 cases where the phase of flight was Unknown.

Cases per year

19642026
NTSB investigations, CA per year, 1964–2026: 137 cases
19645
19666
19673
19686
19694
19702
19733
19741
19754
19763
19775
19782
19803
19813
198214
198310
19843
19855
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19904
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19932
19952
19962
19971
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20031
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20063
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20201
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20252
20266

Latest 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\" = 'CA' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 990)
  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 WPR26FA355Accident · 2 fatalClass 3 · FieldPreliminary reportAeronca 7AC · Hesperia, CAOn September 24, 2026, about 0945 Pacific daylight time, an Aeronca 7AC, N12DF, was substantially damaged when it was involved in an accident near Hesperia, California. The flight instructor and passenger were fatally injured. The airplane was operated as a…Sep 24, 2026 · N12DF · Substantial damageNTSB WPR26LA359Accident · Minor injuriesClass 4 · LimitedInvestigation openHawker Hawker Hunter MK.58 · Morro Bay, CASep 22, 2026 · N345AXNTSB WPR26FA262Accident · 1 fatalClass 3 · FieldPreliminary reportVans RV-4 · Yuba City, CAOn July 16, 2026, at 0701 Pacific daylight time, an experimental amateur built Vans RV-4, N98GB, was substantially damaged when it was involved in an accident near Yuba City, California. The pilot was fatally injured. The airplane was operated as a Title 14…Jul 16, 2026 · N98GB · Substantial damageNTSB ANC26FA039Accident · 2 fatalClass 3 · FieldPreliminary reportCessna 182T · Armistead, CAOn May 7, 2026, about 1055 pacific daylight time (PDT), a Cessna 182T airplane, N227TF, was destroyed when it was involved in an accident near Armistead, California. The flight instructor and the pilot receiving instruction were fatally injured. The airplane…May 7, 2026 · N227TF · Substantial damageNTSB ANC26FA024Accident · 2 fatalClass 3 · FieldPreliminary reportAirplane Factory Ltd The Sling · Avalon, CAOn April 09, 2026, about 1224 Pacific daylight time, an Airplane Factory (Pty) Ltd. Sling 2 airplane, N166TW, was substantially damaged when it was involved in an accident near Avalon, California. The pilot and pilot-rated passenger were fatally injured. The…Apr 9, 2026 · N166TW · Substantial damageNTSB WPR26FA109Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA-22-150 · Oroville, CAOn February 28, 2026, about 0948 Pacific standard time, a Piper PA-22-150, N3170Z, was destroyed when it was involved in an accident near Oroville, California. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations…Feb 28, 2026 · N3170Z · DestroyedNTSB WPR25FA264Accident · 1 fatalClass 3 · FieldPreliminary reportCessna 172S · Los Banos, CAOn August 26, 2025, about 1905 Pacific daylight time, a Cessna 172S, N5203H, was destroyed when it was involved in an accident near Los Banos, California. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part…Aug 27, 2025 · N5203H · DestroyedNTSB WPR25FA208Accident · 2 fatalClass 3 · FieldPreliminary reportPiper PA-28-180 · Needles, CAOn July 13, 2025, about 2128 Pacific daylight time, a Piper PA-28-180, N8375W, was substantially damaged when it was involved in an accident near Needles, California. Both pilots sustained fatal injuries. The airplane was operated as a Title 14 Code of…Jul 14, 2025 · N8375W · Substantial damageNTSB WPR24LA193Accident · No injuriesClass 3 · LimitedFinal reportCessna A185F · Monument Hills, CAA total loss of engine power for reasons that could not be determined.Jun 12, 2024 · N8WF · Substantial damageNTSB WPR23LA025Accident · 1 fatalClass 3 · LimitedFinal reportAirborne Windsports Edge X · Alturas, CAThe non-certificated pilot’s loss of control for undetermined reasons.Oct 26, 2022 · N354MB · Substantial damageNTSB WPR22LA371Accident · 1 fatalClass 3 · LimitedFinal reportCessna 172M · Pacific Ocean, CAUndetermined because the airplane and pilot were not located.Aug 20, 2022 · N9670VNTSB ANC22LA014Accident · No injuriesClass 3 · LimitedFinal reportBell 205A-1 · El Cajon, CAA partial loss of engine power for reasons that could not be determined based on the available evidence.Jan 15, 2022 · N502HQ · Substantial damageNTSB WPR21LA366Accident · No injuriesClass 4 · LimitedFinal reportSharp Ralph R Zenith Stol CH 701 · Bishop, CAA loss of airplane control for undetermined reasons.Sep 24, 2021 · N701SA · Substantial damageNTSB WPR20LA225Accident · No injuriesClass 3 · LimitedFinal reportVans RV 8 · Grimes, CAA partial loss of engine power for reasons that could not be determined because the airplane was not examined.Jul 17, 2020 · N508CM · Substantial damageNTSB WPR20FAMS1Accident · 2 fatalClass 3 · Missing aircraftFinal reportPiper PA28R · Shelter Cove, CAUndetermined due to lack of available evidence.Oct 25, 2019 · N4958J · DestroyedNTSB GAA19CA282Accident · No injuriesData collectionFinal reportCessna 172 · Edwards Air Force Base, CAAn undetermined event, which resulted in substantial damage to the airplane for reasons that could not be determined based on the available evidence.Apr 28, 2019 · N106ED · Substantial damageNTSB WPR19LA039Accident · No injuriesClass 3 · LimitedFinal reportBeech 36 · Los Banos, CAA partial loss of engine power for reasons that could not be determined based on the available information.Dec 6, 2018 · N361TC · Substantial damageNTSB WPR18FA143Accident · 1 fatalField investigationFinal reportI.C.A.-Brasov IS 29D · Avenal, CAThe pilot's improper installation of the wings onto the glider, which resulted in an in-flight wing separation. Contributing to the accident were the pilot's limited familiarity with the design and a lack of reliable assembly guidance.May 19, 2018 · N38ES · DestroyedNTSB WPR17LA034Accident · No injuriesClass 3 · LimitedFinal reportBell OH 58A · Sacramento, CAThe failure of the vertical stabilizer due to fatigue.Dec 4, 2016 · N916PD · Substantial damageNTSB WPR16FAMS1Accident · 2 fatalMissing aircraftFinal reportCessna 172N · Avalon, CAUndetermined because the airplane was not located.May 28, 2016 · N739ZE · DestroyedNTSB WPR15FAMS1Accident · 1 fatalMissing aircraftFinal reportCessna 172S · Davenport, CAUndetermined because the airplane was not located.May 8, 2015 · N191TGNTSB GAA15CA018Accident · No injuriesData collectionFinal reportCessna 172S · Camarillo, CAThe pilot involved and the phase of flight when the damage occurred were not determined.Mar 23, 2015 · N2104H · Substantial damageNTSB WPR10LA268Accident · Serious injuriesLimited investigationFinal reportPiper PA-20 · Nelson, CAThe pilot's loss of aircraft control during an undetermined phase of flight, which resulted in an aerodynamic stall/spin and subsequent collision with terrain.May 31, 2010 · N7013K · Substantial damageNTSB WPR09LA293Accident · 2 fatalLimited investigationFinal reportChampion 7ECA · Lake Elsinore, CAA loss of airplane control for undetermined reasons.Jun 17, 2009 · N8339V · Substantial damageNTSB WPR09LA222Accident · 2 fatalLimited investigationFinal reportValentin Taifun 17 E II · Mammoth Lakes, CAThe pilot's failure to maintain clearance from terrain while maneuvering in a canyon.Apr 24, 2009 · N20822 · Substantial damageNTSB LAX08LA024Accident · 1 fatalLimited investigationFinal reportNorth Wing Mustang II 17.5 · Tracy, CAFailure or disconnection of a wing support/brace assembly for undetermined reasons during an undetermined phase of flight.Oct 26, 2007 · UNREG · Substantial damageNTSB SEA07LA050Accident · No injuriesLimited investigationFinal reportPiper PA-28R-180 · Fresno, CAThe design stress limits of the airframe were exceeded by an unknown pilot.Dec 21, 2006 · N4666J · Substantial damageNTSB LAX06LA293Accident · 2 fatalLimited investigationFinal reportChampion 7EC · Clipper Mills, CAThe pilot failed to maintain clearance from mountainous terrain. A contributing factor was the pilot's impairment from ingestion of marijuana.Sep 10, 2006 · N9575S · DestroyedNTSB LAX06LA123Accident · 1 fatalLimited investigationFinal reportSchweizer 269C-1 · Valencia, CAThe certified flight instructor's failure to maintain an adequate clearance from objects.Feb 25, 2006 · N61466 · DestroyedNTSB LAX06CA039Accident · No injuriesData collectionFinal reportCessna 182T · Livermore, CAsubstantial damage to the airplane during unknown phase of flight for undetermined reasons.Oct 30, 2005 · N51732 · Substantial damageNTSB LAX03FAMS3Accident · 1 fatalMissing aircraftFinal reportCessna 172B · Little River, CAAircraft is missing.May 26, 2003 · N7555X · DestroyedNTSB LAX01FAMS1Accident · 1 fatalMissing aircraftFinal reportCessna 172N · Monterey, CAUndetermined.Jan 15, 2001 · N6452D · DestroyedNTSB LAX00FA306Accident · 2 fatalField investigationFinal reportRobinson R22 Beta · Watsonville, CAThe divergence of the main rotor from its normal plane of rotation for an undetermined reason, which resulted in mast bumping and rotor contact with the fuselage.Aug 19, 2000 · N8313Z · DestroyedNTSB LAX97FAMS2Accident · 1 fatalMissing aircraftFinal reportPiper PA-28-161 · Avalon, CAundetermined.Feb 11, 1997 · N8436X · DestroyedNTSB LAX97LA013Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-181 · San Diego, CAthe student pilot's impairment of judgment and performance due to alcohol, his subsequent flight into adverse weather conditions, and his failure to maintain clearance from obstructions (power lines). Factors related to the accident were: darkness, low…Oct 12, 1996 · N2501X · DestroyedNTSB LAX96LA247Accident · Serious injuriesLimited investigationFinal reportCessna R172K · Oroville, CAundetermined.Jun 26, 1996 · N1133V · Substantial damageNTSB LAX95LA179Accident · 1 fatalLimited investigationFinal reportCessna 152 · Palos Verdes, CAthat the pilot initiated the flight into known adverse weather, and inadvertent flight into instrument meteorological conditions.Apr 28, 1995 · N49058 · DestroyedNTSB LAX95LA108Accident · 3 fatalLimited investigationFinal reportCessna 182Q · San Francisco, CAan inflight collision with water for undetermined reasons.Feb 12, 1995 · N4875N · DestroyedNTSB LAX93LA307Accident · Serious injuriesLimited investigationFinal reportCessna 150M · Santa Margarita, CAthe pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall.Jul 29, 1993 · N45138 · DestroyedNTSB LAX93FA153Accident · 6 fatalField investigationFinal reportPiper PA-34-200 · Carpenteria, CAUndetermined.Mar 17, 1993 · N55334 · DestroyedNTSB LAX93FAMS2Accident · 4 fatalMissing aircraftFinal reportPiper PA-28-181 · Missing Acft, CAUndetermined.Dec 6, 1992 · N81453 · DestroyedNTSB LAX92FA102Accident · 4 fatalField investigationFinal reportPiper PA28-161 · Mountain Pass, CAThe pilots failure to maintain the aircraft's airspeed above the stall speed (vs) that resulted in an inadvertent entry into a stall/spin.Jan 25, 1992 · N8432K · DestroyedNTSB LAX92FA064Accident · 1 fatalField investigationFinal reportGlasair SH-2R · Nuevo, CAThe failure of the pilot to perform preventative maintenance on the airplane's powerplant which resulted in a loss of performance during an unknown phase of operation. Contributing to the accident was fouled spark plugs and the partial loss of aircraft…Dec 6, 1991 · N614LS · DestroyedNTSB LAX91LA365Accident · 2 fatalLimited investigationFinal reportPiper PA-38-112 · Oceano, CAUnknown. The main airplane wreckage and the body of the pilot are presumed lost at sea.Aug 18, 1991 · N2526C · DestroyedNTSB LAX91LA003Accident · 1 fatalLimited investigationFinal reportCessna 210 · Riverside, CAImpairment of the pilot from use of drugs (cocaine), and his failure to maintain clearance (or altitude) from the mountain. Factors related to the accident were: darkness and the pilot's psychological condtion (depression).Oct 6, 1990 · N9466T · DestroyedNTSB LAX90DUG10Accident · 2 fatalFinal reportELY Thorp T-18 · Claremont, CAA loss of control for undetermined reason(s).Sep 25, 1990 · N9JE · Substantial damageNTSB LAX90FA211Accident · 1 fatalField investigationFinal reportBeech 35-33 · Paso Robles, CAUndetermined.Jun 8, 1990 · N996T · DestroyedNTSB DEN90FA041Accident · 3 fatalField investigationFinal reportCessna 182P · Tom'S Place, CAContinued flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude above the ground. Factors related to the accident were: dark night, adverse weather conditions, self induced pressure, and spatial…Jan 13, 1990 · N5831J · DestroyedNTSB LAX89LA054Accident · No injuriesLimited investigationFinal reportCessna 175 · Tracy, CAThe airplane was found nosed over and abandoned short of the airport. The owner of the airplane was identified as the pilot, however, he does not hold a pilots license nor a medical certificate. Inspection of the airplane revealed that the fuel tanks were…Nov 20, 1988 · N6641E · Substantial damageNTSB LAX89LA028Accident · 1 fatalLimited investigationFinal reportRobinson R22 · Lower Lake, CADuring a local solo instructional flight, the helicopter collided with the terrain in an open field aprx 3 miles from the airport. It was reported to have contacted the ground at considerable downward speed with high rotor RPM. No preimpact mechanical failure…Oct 30, 1988 · N2627K · Destroyed