# NTSB investigations, CA: Unknown NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. Page 1 of 3 · 137 cases ## Latest cases - [NTSB WPR26FA355](https://openairdocs.org/ntsb/WPR26FA355.md): Aeronca 7AC · Hesperia, CA · Accident · 2 fatal · Class 3 · Field · Preliminary report · Sep 24, 2026 · N12DF · Substantial damage > On 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… - [NTSB WPR26LA359](https://openairdocs.org/ntsb/WPR26LA359.md): Hawker Hawker Hunter MK.58 · Morro Bay, CA · Accident · Minor injuries · Class 4 · Limited · Investigation open · Sep 22, 2026 · N345AX - [NTSB WPR26FA262](https://openairdocs.org/ntsb/WPR26FA262.md): Vans RV-4 · Yuba City, CA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jul 16, 2026 · N98GB · Substantial damage > On 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… - [NTSB ANC26FA039](https://openairdocs.org/ntsb/ANC26FA039.md): Cessna 182T · Armistead, CA · Accident · 2 fatal · Class 3 · Field · Preliminary report · May 7, 2026 · N227TF · Substantial damage > On 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… - [NTSB ANC26FA024](https://openairdocs.org/ntsb/ANC26FA024.md): Airplane Factory Ltd The Sling · Avalon, CA · Accident · 2 fatal · Class 3 · Field · Preliminary report · Apr 9, 2026 · N166TW · Substantial damage > On 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… - [NTSB WPR26FA109](https://openairdocs.org/ntsb/WPR26FA109.md): Piper PA-22-150 · Oroville, CA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Feb 28, 2026 · N3170Z · Destroyed > On 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… - [NTSB WPR25FA264](https://openairdocs.org/ntsb/WPR25FA264.md): Cessna 172S · Los Banos, CA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 27, 2025 · N5203H · Destroyed > On 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… - [NTSB WPR25FA208](https://openairdocs.org/ntsb/WPR25FA208.md): Piper PA-28-180 · Needles, CA · Accident · 2 fatal · Class 3 · Field · Preliminary report · Jul 14, 2025 · N8375W · Substantial damage > On 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… - [NTSB WPR24LA193](https://openairdocs.org/ntsb/WPR24LA193.md): Cessna A185F · Monument Hills, CA · Accident · No injuries · Class 3 · Limited · Final report · Jun 12, 2024 · N8WF · Substantial damage > A total loss of engine power for reasons that could not be determined. - [NTSB WPR23LA025](https://openairdocs.org/ntsb/WPR23LA025.md): Airborne Windsports Edge X · Alturas, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Oct 26, 2022 · N354MB · Substantial damage > The non-certificated pilot’s loss of control for undetermined reasons. - [NTSB WPR22LA371](https://openairdocs.org/ntsb/WPR22LA371.md): Cessna 172M · Pacific Ocean, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 20, 2022 · N9670V > Undetermined because the airplane and pilot were not located. - [NTSB ANC22LA014](https://openairdocs.org/ntsb/ANC22LA014.md): Bell 205A-1 · El Cajon, CA · Accident · No injuries · Class 3 · Limited · Final report · Jan 15, 2022 · N502HQ · Substantial damage > A partial loss of engine power for reasons that could not be determined based on the available evidence. - [NTSB WPR21LA366](https://openairdocs.org/ntsb/WPR21LA366.md): Sharp Ralph R Zenith Stol CH 701 · Bishop, CA · Accident · No injuries · Class 4 · Limited · Final report · Sep 24, 2021 · N701SA · Substantial damage > A loss of airplane control for undetermined reasons. - [NTSB WPR20LA225](https://openairdocs.org/ntsb/WPR20LA225.md): Vans RV 8 · Grimes, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 17, 2020 · N508CM · Substantial damage > A partial loss of engine power for reasons that could not be determined because the airplane was not examined. - [NTSB WPR20FAMS1](https://openairdocs.org/ntsb/WPR20FAMS1.md): Piper PA28R · Shelter Cove, CA · Accident · 2 fatal · Class 3 · Missing aircraft · Final report · Oct 25, 2019 · N4958J · Destroyed > Undetermined due to lack of available evidence. - [NTSB GAA19CA282](https://openairdocs.org/ntsb/GAA19CA282.md): Cessna 172 · Edwards Air Force Base, CA · Accident · No injuries · Data collection · Final report · Apr 28, 2019 · N106ED · Substantial damage > An undetermined event, which resulted in substantial damage to the airplane for reasons that could not be determined based on the available evidence. - [NTSB WPR19LA039](https://openairdocs.org/ntsb/WPR19LA039.md): Beech 36 · Los Banos, CA · Accident · No injuries · Class 3 · Limited · Final report · Dec 6, 2018 · N361TC · Substantial damage > A partial loss of engine power for reasons that could not be determined based on the available information. - [NTSB WPR18FA143](https://openairdocs.org/ntsb/WPR18FA143.md): I.C.A.-Brasov IS 29D · Avenal, CA · Accident · 1 fatal · Field investigation · Final report · May 19, 2018 · N38ES · Destroyed > The 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. - [NTSB WPR17LA034](https://openairdocs.org/ntsb/WPR17LA034.md): Bell OH 58A · Sacramento, CA · Accident · No injuries · Class 3 · Limited · Final report · Dec 4, 2016 · N916PD · Substantial damage > The failure of the vertical stabilizer due to fatigue. - [NTSB WPR16FAMS1](https://openairdocs.org/ntsb/WPR16FAMS1.md): Cessna 172N · Avalon, CA · Accident · 2 fatal · Missing aircraft · Final report · May 28, 2016 · N739ZE · Destroyed > Undetermined because the airplane was not located. - [NTSB WPR15FAMS1](https://openairdocs.org/ntsb/WPR15FAMS1.md): Cessna 172S · Davenport, CA · Accident · 1 fatal · Missing aircraft · Final report · May 8, 2015 · N191TG > Undetermined because the airplane was not located. - [NTSB GAA15CA018](https://openairdocs.org/ntsb/GAA15CA018.md): Cessna 172S · Camarillo, CA · Accident · No injuries · Data collection · Final report · Mar 23, 2015 · N2104H · Substantial damage > The pilot involved and the phase of flight when the damage occurred were not determined. - [NTSB WPR10LA268](https://openairdocs.org/ntsb/WPR10LA268.md): Piper PA-20 · Nelson, CA · Accident · Serious injuries · Limited investigation · Final report · May 31, 2010 · N7013K · Substantial damage > The pilot's loss of aircraft control during an undetermined phase of flight, which resulted in an aerodynamic stall/spin and subsequent collision with terrain. - [NTSB WPR09LA293](https://openairdocs.org/ntsb/WPR09LA293.md): Champion 7ECA · Lake Elsinore, CA · Accident · 2 fatal · Limited investigation · Final report · Jun 17, 2009 · N8339V · Substantial damage > A loss of airplane control for undetermined reasons. - [NTSB WPR09LA222](https://openairdocs.org/ntsb/WPR09LA222.md): Valentin Taifun 17 E II · Mammoth Lakes, CA · Accident · 2 fatal · Limited investigation · Final report · Apr 24, 2009 · N20822 · Substantial damage > The pilot's failure to maintain clearance from terrain while maneuvering in a canyon. - [NTSB LAX08LA024](https://openairdocs.org/ntsb/LAX08LA024.md): North Wing Mustang II 17.5 · Tracy, CA · Accident · 1 fatal · Limited investigation · Final report · Oct 26, 2007 · UNREG · Substantial damage > Failure or disconnection of a wing support/brace assembly for undetermined reasons during an undetermined phase of flight. - [NTSB SEA07LA050](https://openairdocs.org/ntsb/SEA07LA050.md): Piper PA-28R-180 · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Dec 21, 2006 · N4666J · Substantial damage > The design stress limits of the airframe were exceeded by an unknown pilot. - [NTSB LAX06LA293](https://openairdocs.org/ntsb/LAX06LA293.md): Champion 7EC · Clipper Mills, CA · Accident · 2 fatal · Limited investigation · Final report · Sep 10, 2006 · N9575S · Destroyed > The pilot failed to maintain clearance from mountainous terrain. A contributing factor was the pilot's impairment from ingestion of marijuana. - [NTSB LAX06LA123](https://openairdocs.org/ntsb/LAX06LA123.md): Schweizer 269C-1 · Valencia, CA · Accident · 1 fatal · Limited investigation · Final report · Feb 25, 2006 · N61466 · Destroyed > The certified flight instructor's failure to maintain an adequate clearance from objects. - [NTSB LAX06CA039](https://openairdocs.org/ntsb/LAX06CA039.md): Cessna 182T · Livermore, CA · Accident · No injuries · Data collection · Final report · Oct 30, 2005 · N51732 · Substantial damage > substantial damage to the airplane during unknown phase of flight for undetermined reasons. - [NTSB LAX03FAMS3](https://openairdocs.org/ntsb/LAX03FAMS3.md): Cessna 172B · Little River, CA · Accident · 1 fatal · Missing aircraft · Final report · May 26, 2003 · N7555X · Destroyed > Aircraft is missing. - [NTSB LAX01FAMS1](https://openairdocs.org/ntsb/LAX01FAMS1.md): Cessna 172N · Monterey, CA · Accident · 1 fatal · Missing aircraft · Final report · Jan 15, 2001 · N6452D · Destroyed > Undetermined. - [NTSB LAX00FA306](https://openairdocs.org/ntsb/LAX00FA306.md): Robinson R22 Beta · Watsonville, CA · Accident · 2 fatal · Field investigation · Final report · Aug 19, 2000 · N8313Z · Destroyed > The 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. - [NTSB LAX97FAMS2](https://openairdocs.org/ntsb/LAX97FAMS2.md): Piper PA-28-161 · Avalon, CA · Accident · 1 fatal · Missing aircraft · Final report · Feb 11, 1997 · N8436X · Destroyed > undetermined. - [NTSB LAX97LA013](https://openairdocs.org/ntsb/LAX97LA013.md): Piper PA-28-181 · San Diego, CA · Accident · Serious injuries · Limited investigation · Final report · Oct 12, 1996 · N2501X · Destroyed > the 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… - [NTSB LAX96LA247](https://openairdocs.org/ntsb/LAX96LA247.md): Cessna R172K · Oroville, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 26, 1996 · N1133V · Substantial damage > undetermined. - [NTSB LAX95LA179](https://openairdocs.org/ntsb/LAX95LA179.md): Cessna 152 · Palos Verdes, CA · Accident · 1 fatal · Limited investigation · Final report · Apr 28, 1995 · N49058 · Destroyed > that the pilot initiated the flight into known adverse weather, and inadvertent flight into instrument meteorological conditions. - [NTSB LAX95LA108](https://openairdocs.org/ntsb/LAX95LA108.md): Cessna 182Q · San Francisco, CA · Accident · 3 fatal · Limited investigation · Final report · Feb 12, 1995 · N4875N · Destroyed > an inflight collision with water for undetermined reasons. - [NTSB LAX93LA307](https://openairdocs.org/ntsb/LAX93LA307.md): Cessna 150M · Santa Margarita, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 29, 1993 · N45138 · Destroyed > the pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall. - [NTSB LAX93FA153](https://openairdocs.org/ntsb/LAX93FA153.md): Piper PA-34-200 · Carpenteria, CA · Accident · 6 fatal · Field investigation · Final report · Mar 17, 1993 · N55334 · Destroyed > Undetermined. - [NTSB LAX93FAMS2](https://openairdocs.org/ntsb/LAX93FAMS2.md): Piper PA-28-181 · Missing Acft, CA · Accident · 4 fatal · Missing aircraft · Final report · Dec 6, 1992 · N81453 · Destroyed > Undetermined. - [NTSB LAX92FA102](https://openairdocs.org/ntsb/LAX92FA102.md): Piper PA28-161 · Mountain Pass, CA · Accident · 4 fatal · Field investigation · Final report · Jan 25, 1992 · N8432K · Destroyed > The pilots failure to maintain the aircraft's airspeed above the stall speed (vs) that resulted in an inadvertent entry into a stall/spin. - [NTSB LAX92FA064](https://openairdocs.org/ntsb/LAX92FA064.md): Glasair SH-2R · Nuevo, CA · Accident · 1 fatal · Field investigation · Final report · Dec 6, 1991 · N614LS · Destroyed > The 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… - [NTSB LAX91LA365](https://openairdocs.org/ntsb/LAX91LA365.md): Piper PA-38-112 · Oceano, CA · Accident · 2 fatal · Limited investigation · Final report · Aug 18, 1991 · N2526C · Destroyed > Unknown. The main airplane wreckage and the body of the pilot are presumed lost at sea. - [NTSB LAX91LA003](https://openairdocs.org/ntsb/LAX91LA003.md): Cessna 210 · Riverside, CA · Accident · 1 fatal · Limited investigation · Final report · Oct 6, 1990 · N9466T · Destroyed > Impairment 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). - [NTSB LAX90DUG10](https://openairdocs.org/ntsb/LAX90DUG10.md): ELY Thorp T-18 · Claremont, CA · Accident · 2 fatal · Final report · Sep 25, 1990 · N9JE · Substantial damage > A loss of control for undetermined reason(s). - [NTSB LAX90FA211](https://openairdocs.org/ntsb/LAX90FA211.md): Beech 35-33 · Paso Robles, CA · Accident · 1 fatal · Field investigation · Final report · Jun 8, 1990 · N996T · Destroyed > Undetermined. - [NTSB DEN90FA041](https://openairdocs.org/ntsb/DEN90FA041.md): Cessna 182P · Tom'S Place, CA · Accident · 3 fatal · Field investigation · Final report · Jan 13, 1990 · N5831J · Destroyed > Continued 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… - [NTSB LAX89LA054](https://openairdocs.org/ntsb/LAX89LA054.md): Cessna 175 · Tracy, CA · Accident · No injuries · Limited investigation · Final report · Nov 20, 1988 · N6641E · Substantial damage > The 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… - [NTSB LAX89LA028](https://openairdocs.org/ntsb/LAX89LA028.md): Robinson R22 · Lower Lake, CA · Accident · 1 fatal · Limited investigation · Final report · Oct 30, 1988 · N2627K · Destroyed > During 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… Next page: https://openairdocs.org/ntsb-phases/990/cases.md?state=CA&page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 ``` This list as a web page: https://openairdocs.org/ntsb-phases/990/cases?state=CA --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.