# NTSB investigations: Oversight

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.

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## Latest cases

- [NTSB ANC25MA018](https://openairdocs.org/ntsb/ANC25MA018.md): Textron 208B · Nome, AK · Accident · 10 fatal · Class 1 · Major · Final report · Feb 6, 2025 · N321BA · Destroyed
  > The National Transportation Safety Board determines that the probable cause of this accident was the pilot’s inadequate airspeed management due to workload and degraded situation awareness and his improper inputs leading up to and during the aerodynamic…
- [NTSB WPR25LA089](https://openairdocs.org/ntsb/WPR25LA089.md): Lockheed C-130A · Daggett, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 1, 2025 · N466TM · No damage
  > An inflight upset due to an improperly secured load that resulted in serious injuries.
- [NTSB DCA25MA108](https://openairdocs.org/ntsb/DCA25MA108.md): Bombardier CL-600-2C10 · Washington, DC · Accident · 67 fatal · Class 1 · Major · Final report · Jan 30, 2025 · N709PS · 2 aircraft · Destroyed
  > The Federal Aviation Administration’s (FAA) placement of a helicopter route in close proximity to a runway approach path; their failure to regularly review and evaluate helicopter routes and available data, and their failure to act on recommendations to…
- [NTSB ANC24FA102](https://openairdocs.org/ntsb/ANC24FA102.md): Cessna 206 · Chalkyitsik, AK · Accident · 1 fatal · Class 3 · Field · Final report · Sep 24, 2024 · N8255Q · Substantial damage
  > A loss of engine power due to water-contaminated fuel as a result of the pilot’s inadequate preflight inspection. Contributing to the accident was the operator’s failure to ensure replacement filters were available for use during refueling operations.
- [NTSB WPR24LA241](https://openairdocs.org/ntsb/WPR24LA241.md): Robinson Helicopter R44 II · Herriman, UT · Accident · No injuries · Class 3 · Limited · Final report · Jul 13, 2024 · N6960 · Substantial damage
  > A hard landing following a total loss of engine power due to fuel starvation as a result of the improper idle setting of the helicopter’s engine. Contributing to the loss of engine power was the instructor’s reduction of engine power past that recommended by…
- [NTSB CEN24LA144](https://openairdocs.org/ntsb/CEN24LA144.md): Piper PA28 · Muncie, IN · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 1, 2024 · N8438B · Destroyed
  > The pilot’s spatial disorientation and subsequent loss of control while maneuvering outside established instrument approach procedures in instrument meteorological conditions, which resulted in an impact with terrain. Contributing to the accident was the…
- [NTSB WPR24FA080](https://openairdocs.org/ntsb/WPR24FA080.md): Swanson R/Swanson S RV-6 · Concord, CA · Accident · 1 fatal · Class 3 · Field · Final report · Jan 30, 2024 · N30AK · Substantial damage
  > A total loss of engine power during takeoff due to a separated fuel line and the pilot’s subsequent failure to maintain control of the airplane. Contributing to the accident were the pilot's medical condition and the effects of multiple impairing substances.
- [NTSB DCA24MA063](https://openairdocs.org/ntsb/DCA24MA063.md): Boeing 737-9 · Portland, OR · Accident · Minor injuries · Class 1 · Major · Final report · Jan 6, 2024 · N704AL · Substantial damage
  > the in-flight separation of the left mid exit door (MED) plug due to Boeing Commercial Airplanes’ failure to provide adequate training, guidance, and oversight necessary to ensure that manufacturing personnel could consistently and correctly comply with its…
- [NTSB WPR24LA069](https://openairdocs.org/ntsb/WPR24LA069.md): Taylorcraft BC12-D · Whitefish, MT · Accident · No injuries · Class 4 · Limited · Final report · Dec 23, 2023 · N43415 · Substantial damage
  > The failure of the airport authorities to renew the airport closure NOTAM for the airport. Contributing to the accident, was the pilot’s inability to see the runway closure sign.
- [NTSB WPR24FA018](https://openairdocs.org/ntsb/WPR24FA018.md): Beech A36 · Covelo, CA · Accident · 2 fatal · Class 3 · Field · Final report · Oct 21, 2023 · N8248K · Destroyed
  > The pilot’s failure to maintain clearance from trees after entering a steep banked turn for unknown reasons. Contributing to the accident was the pilot’s decision to take off toward rising terrain.
- [NTSB OPS23FA010](https://openairdocs.org/ntsb/OPS23FA010.md): Boeing 737-7BD · San Diego, CA · Incident · Class 4 · Field · Final report · Aug 11, 2023 · N7734H · 2 aircraft · No damage
  > The local control controller’s poor judgment in duty prioritization which distracted them from monitoring arriving and departing traffic and resulted in a runway incursion and loss of same runway separation. Contributing was the operations supervisor’s…
- [NTSB ENG23LA031](https://openairdocs.org/ntsb/ENG23LA031.md): Boeing 737-9 · Newark, NJ · Incident · No injuries · Class 3 · Limited · Final report · Jun 28, 2023 · N37516 · Minor damage
  > A No. 1 (left) engine fire due a fuel leak that originated from the fuel nozzle 17 b-nut connection that was not properly torqued in accordance with the aircraft maintenance manual procedure.
- [NTSB DCA23FA339](https://openairdocs.org/ntsb/DCA23FA339.md): Boeing 717-200 · Charlotte, NC · Accident · No injuries · Class 3 · Field · Final report · Jun 28, 2023 · N955AT · Substantial damage
  > A fatigue fracture of the upper lock link that initiated along scratch features on the lower surface at the parting line of the forged aluminum component. Contributing to the accident was the overhaul facilities noncompliance with Service Bulletin 717-32-002.
- [NTSB CEN23LA111](https://openairdocs.org/ntsb/CEN23LA111.md): Cessna 172K · Moline, IL · Accident · No injuries · Class 4 · Limited · Final report · Feb 19, 2023 · N84688 · Substantial damage
  > The student pilot’s failure to maintain directional control during the landing roll in gusting crosswind conditions.
- [NTSB ANC23FA008](https://openairdocs.org/ntsb/ANC23FA008.md): Raytheon C90A · Kaupo, HI · Accident · 3 fatal · Class 3 · Field · Final report · Dec 15, 2022 · N13GZ · Substantial damage
  > Guardian Flight’s inadequate pilot training and performance tracking, which failed to identify and correct the pilot’s consistent lack of skill, and which resulted in the pilot’s inability to maintain his position inflight using secondary instruments to…
- [NTSB CEN23MA034](https://openairdocs.org/ntsb/CEN23MA034.md): Boeing B17 · Dallas, TX · Accident · 6 fatal · Class 1 · Major · Final report · Nov 12, 2022 · N7227C · 2 aircraft · Destroyed
  > the air boss’s and air show event organizer’s lack of an adequate, prebriefed aircraft separation plan for the air show performance, relying instead on the air boss’s real-time deconfliction directives and the see-and-avoid strategy for collision avoidance,…
- [NTSB WPR23LA017](https://openairdocs.org/ntsb/WPR23LA017.md): Cessna 177RG · Mesa, AZ · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 18, 2022 · N747ML · Substantial damage
  > The failure of maintenance personnel to properly secure the fuel supply line to the fuel flow divider, which resulted in a fuel leak, fuel exhaustion, and a total loss of engine power.
- [NTSB ERA22FA279](https://openairdocs.org/ntsb/ERA22FA279.md): Bell UH-1B · Amherstdale, WV · Accident · 6 fatal · Class 1 · Field · Final report · Jun 22, 2022 · N98F · Destroyed
  > the operator’s failure to adequately inspect the former military turbine powered helicopter, which allowed an engine issue to progress and result in a loss of engine power and a subsequent loss of control after the helicopter struck powerlines during a forced…
- [NTSB CEN22LA228](https://openairdocs.org/ntsb/CEN22LA228.md): Air Tractor AT-602 · Allport, AR · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 1, 2022 · N5007R · Substantial damage
  > A partial loss of engine power due to fuel contamination from foreign object debris. Contributing to the accident was the operator’s failure to follow the manufacturer’s required airframe fuel filter inspection interval.
- [NTSB ANC22LA035](https://openairdocs.org/ntsb/ANC22LA035.md): Dehavilland DHC-3 · Yakutat, AK · Accident · Serious injuries · Class 3 · Limited · Final report · May 24, 2022 · N703TH · Substantial damage
  > The pilot’s failure to determine the actual weight and balance of the airplane before departure, which resulted in the airplane being operated outside of the aft center of gravity limits and the subsequent aerodynamic stall on final approach. Contributing to…
- [NTSB ERA22LA217](https://openairdocs.org/ntsb/ERA22LA217.md): Cessna 172N · Toms River, NJ · Accident · No injuries · Class 4 · Limited · Final report · May 1, 2022 · N737LY · Substantial damage
  > Loss of engine power due to the throttle linkage becoming disconnected in flight due to improper maintenance.
- [NTSB ANC22FA018](https://openairdocs.org/ntsb/ANC22FA018.md): Sikorsky S-61N · Kekaha, HI · Accident · 4 fatal · Class 3 · Field · Final report · Feb 22, 2022 · N615CK · Destroyed
  > The improper installation of the fore/aft primary servo by maintenance personnel, which resulted in the attaching hardware backing out and which subsequently rendered the helicopter uncontrollable. Contributing to the accident was the company’s quality…
- [NTSB ERA21LA390](https://openairdocs.org/ntsb/ERA21LA390.md): Eurocopter AS 350 B3 · Kinston, NC · Accident · No injuries · Class 4 · Limited · Final report · Sep 29, 2021 · N370NC · Substantial damage
  > The buckling of the tail boom as a result of a hard landing event of undetermined time and location.
- [NTSB ERA21FA233](https://openairdocs.org/ntsb/ERA21FA233.md): Bhi H60 Helicopters UH-60A · Leesburg, FL · Accident · 4 fatal · Class 3 · Field · Final report · May 25, 2021 · N9FH · Destroyed
  > The failure of the water tank snorkel support structure, which allowed the snorkel to contact the main rotor blades. Contributing to the accident was insufficient Federal Aviation Administration oversight of the supplemental type certificate process for the…
- [NTSB CEN21LA206](https://openairdocs.org/ntsb/CEN21LA206.md): Cessna 170B · Curtis, NE · Accident · No injuries · Class 4 · Limited · Final report · Apr 19, 2021 · N2955D · Substantial damage
  > Water contamination of the airplane’s fuel supply which resulted in a total loss of engine power.
- [NTSB WPR21FA143](https://openairdocs.org/ntsb/WPR21FA143.md): Airbus Helicopters AS350-B3 · Palmer, AK · Accident · 5 fatal · Class 3 · Field · Final report · Mar 28, 2021 · N351SH · Substantial damage
  > The pilot’s failure to adequately respond to an encounter with whiteout conditions, which resulted in the helicopter’s collision with terrain. Contributing to the accident was the (1) operator’s inadequate pilot training program and pilot competency checks,…
- [NTSB ANC20FA017](https://openairdocs.org/ntsb/ANC20FA017.md): Piper PA32R · Tuntutuliak, AK · Accident · 5 fatal · Class 3 · Field · Final report · Feb 6, 2020 · N7632C · Substantial damage
  > The pilot's continued visual flight rules flight into reduced visibility, including likely flat light and/or white out conditions, which resulted in a controlled flight into terrain. Contributing to the accident were the operator’s inadequate operational…
- [NTSB ERA20LA094](https://openairdocs.org/ntsb/ERA20LA094.md): Airborne America AX9-140 · Homestead, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 19, 2020 · N970TC · Minor damage
  > The pilot's decision to operate the balloon at low altitude near obstructions, structures, and powerlines, which resulted in the balloon contacting powerlines. Contributing to the accident was the Federal Aviation Administration's inadequate oversight of…
- [NTSB ANC20MA010](https://openairdocs.org/ntsb/ANC20MA010.md): Airbus AS350B2 · Kekaha, HI · Accident · 7 fatal · Class 1 · Major · Final report · Dec 27, 2019 · N985SA · Destroyed
  > The pilot’s decision to continue flight under visual flight rules (VFR) into instrument meteorological conditions (IMC), which resulted in the collision into terrain. Contributing to the accident was Safari Aviation Inc.’s lack of safety management processes…
- [NTSB DCA20MA002](https://openairdocs.org/ntsb/DCA20MA002.md): Saab 2000 · Unalaska, AK · Accident · 1 fatal · Class 1 · Major · Final report · Oct 18, 2019 · N686PA · Substantial damage
  > The landing gear manufacturer’s incorrect wiring of the wheel speed transducer harnesses on the left main landing gear during overhaul. The incorrect wiring caused the antiskid system not to function as intended, resulting in the failure of the left outboard…
- [NTSB ERA20MA001](https://openairdocs.org/ntsb/ERA20MA001.md): Boeing B17 · Windsor Locks, CT · Accident · 7 fatal · Class 2 · Major · Final report · Oct 2, 2019 · N93012 · Destroyed
  > The pilot’s failure to properly manage the airplane’s configuration and airspeed after he shut down the No. 4 engine following its partial loss of power during the initial climb. Contributing to the accident was the pilot/maintenance director’s inadequate…
- [NTSB WPR19MA177](https://openairdocs.org/ntsb/WPR19MA177.md): Beech 65-A90 · Mokuleia, HI · Accident · 11 fatal · Class 2 · Major · Final report · Jun 22, 2019 · N256TA · Destroyed
  > The pilot’s aggressive takeoff maneuver, which resulted in an accelerated stall and subsequent loss of control at an altitude that was too low for recovery. Contributing to the accident were (1) the operation of the airplane near its aft center of gravity…
- [NTSB CEN19FA072](https://openairdocs.org/ntsb/CEN19FA072.md): Bell 407 · Zaleski, OH · Accident · 3 fatal · Class 1 · Field · Final report · Jan 29, 2019 · N191SF · Destroyed
  > The NTSB determines that the probable cause of this accident was Survival Flight's inadequate management of safety, which normalized pilots' and operations control specialists' noncompliance with risk analysis procedures and resulted in the initiation of the…
- [NTSB WPR19LA010](https://openairdocs.org/ntsb/WPR19LA010.md): Piper PA46 · Hurricane, UT · Accident · Serious injuries · Limited investigation · Final report · Oct 21, 2018 · N413LL · Substantial damage
  > The mechanic’s failure to properly align the engine exhaust crossover pipe during replacement, and his supervisor’s failure to properly inspect the installation, which resulted in an in-flight fire and the loss of engine power.
- [NTSB ANC18FA053](https://openairdocs.org/ntsb/ANC18FA053.md): De Havilland DHC 3 · Hydaburg, AK · Accident · Serious injuries · Field investigation · Final report · Jul 10, 2018 · N3952B · Substantial damage
  > The pilot's decision to continue the visual flight rules flight into instrument meteorological conditions, which resulted in controlled flight into terrain.
- [NTSB ERA18MA099](https://openairdocs.org/ntsb/ERA18MA099.md): American Eurocopter AS350B2 · New York, NY · Accident · 5 fatal · Class 1 · Major · Final report · Mar 11, 2018 · N350LH · Substantial damage
  > Liberty Helicopters Inc.'s use of a NYONair-provided passenger harness/tether system, which caught on and activated the floor-mounted engine fuel shutoff lever and resulted in the in-flight loss of engine power and the subsequent ditching. Contributing to…
- [NTSB DCA18IA092](https://openairdocs.org/ntsb/DCA18IA092.md): Boeing 777 222 · Honolulu, HI · Incident · No injuries · Incident investigation · Final report · Feb 13, 2018 · N773UA · Minor damage
  > the fracture of a fan blade due to P&W's continued classification of the TAI inspection process as a new and emerging technology that permitted them to continue accomplishing the inspection without having to develop a formal, defined initial and recurrent…
- [NTSB WPR18FA013](https://openairdocs.org/ntsb/WPR18FA013.md): Flugzeugproduktions-und Vertri EA 300/L · Four Corners, CA · Accident · 2 fatal · Field investigation · Final report · Oct 21, 2017 · N414MT · Destroyed
  > Collision with terrain after the pilot was unable to regain airplane control during an aerobatic maneuver. Contributing to the accident was the operator's failure to provide effective internal oversight to identify and prohibit exceedance of the airplanes'…
- [NTSB CEN17LA350](https://openairdocs.org/ntsb/CEN17LA350.md): Embraer EMB 120ER · Greeley, CO · Accident · No injuries · Limited investigation · Final report · Sep 13, 2017 · N121CZ · Substantial damage
  > The bus driver's failure to maintain clearance from the standing airplane during dark night conditions. Contributing to the accident was the airport's lack of an escort for the bus.
- [NTSB ANC17LA051](https://openairdocs.org/ntsb/ANC17LA051.md): Leonardo AW139 · Tujunga, CA · Accident · No injuries · Class 3 · Limited · Final report · Sep 2, 2017 · N304FD · Substantial damage
  > A yaw excursion and uncontrolled descent due to loss of tail rotor effectiveness during aerial firefighting operations resulting in an impact with trees. A contributing factor was the pilot’s failure to maintain sufficient airspeed, coupled with a quartering…
- [NTSB WPR17LA180](https://openairdocs.org/ntsb/WPR17LA180.md): Lockheed P2V 5F · Pocatello, ID · Accident · No injuries · Limited investigation · Final report · Aug 6, 2017 · N410NA · Substantial damage
  > Maintenance personnel's failure to secure hardware, which resulted in an uncommanded upward deflection of the left elevator and aft movement of the control yoke and inhibited the flight crew from adjusting the airplane's pitch attitude in flight. Contributing…
- [NTSB ANC17FA039](https://openairdocs.org/ntsb/ANC17FA039.md): Cessna U206 · Port Alsworth, AK · Accident · 1 fatal · Class 2 · Field · Final report · Jul 27, 2017 · N1749R · Destroyed
  > The pilot's decision to continue visual flight into an area of instrument meteorological conditions, which resulted in a loss of visual reference and subsequent controlled flight into terrain. Contributing to the accident was (1) the inadequate preflight…
- [NTSB CEN17MA183](https://openairdocs.org/ntsb/CEN17MA183.md): Learjet 35A · Teterboro, NJ · Accident · 2 fatal · Class 1 · Major · Final report · May 15, 2017 · N452DA · Destroyed
  > The pilot-in-command's (PIC) attempt to salvage an unstabilized visual approach, which resulted in an aerodynamic stall at low altitude. Contributing to the accident was the PIC's decision to allow an unapproved second-in-command to act as pilot flying, the…
- [NTSB DCA17FA109](https://openairdocs.org/ntsb/DCA17FA109.md): Short Bros. & Harland SD3 30 · Charleston, WV · Accident · 2 fatal · Field investigation · Final report · May 5, 2017 · N334AC · Substantial damage
  > the flight crew's improper decision to conduct a circling approach contrary to the operator's standard operating procedures (SOP) and the captain's excessive descent rate and maneuvering during the approach, which led to inadvertent, uncontrolled contact with…
- [NTSB CEN17LA156](https://openairdocs.org/ntsb/CEN17LA156.md): Loomis Xenon 4 · Knoxville, IA · Accident · No injuries · Limited investigation · Final report · Apr 17, 2017 · N912XV · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on the available information. Contributing to the accident was the failure of the owners to obtain proper materials regarding the operation and maintenance of the engine.
- [NTSB WPR17LA078](https://openairdocs.org/ntsb/WPR17LA078.md): Swearingen SA226 · Boise, ID · Accident · No injuries · Limited investigation · Final report · Mar 20, 2017 · N158WA · Substantial damage
  > Company maintenance personnel's failure to remove a screwdriver that was left lodged in the windshield wiper area of the forward fuselage during maintenance and subsequently became dislodged on takeoff/initial climb and collided with a left propeller blade.
- [NTSB WPR17IA007](https://openairdocs.org/ntsb/WPR17IA007.md): Short Bros SD3 60 Sherpa · Missoula, MT · Incident · No injuries · Incident investigation · Final report · Oct 13, 2016 · N148Z · Minor damage
  > The failure of the nose landing gear down-lock piston to engage due to paint accumulation, which resulted in a nose landing gear collapse during landing. Also causal was the failure of the facility that performed the painting to comply with manufacturer…
- [NTSB DCA16MA204](https://openairdocs.org/ntsb/DCA16MA204.md): Kubicek BB85 · Lockhart, TX · Accident · 16 fatal · Class 1 · Major · Final report · Jul 30, 2016 · N2469L · Destroyed
  > The pilot's pattern of poor decision-making that led to the initial launch, continued flight in fog and above clouds, and descent near or through clouds that decreased the pilot's ability to see and avoid obstacles. Contributing to the accident were (1) the…
- [NTSB ERA16LA209](https://openairdocs.org/ntsb/ERA16LA209.md): WSK PZL Mielec M 18A · Brunswick, NC · Accident · 1 fatal · Limited investigation · Final report · Jun 10, 2016 · N2283M · Destroyed
  > The failure of the right wing due to a fatigue fracture of the right outboard wing forward spar lower fitting. Contributing to the accident was the routine operation of the airplane over its certificated maximum gross weight and the operator's improper or…
- [NTSB ANC16FA023](https://openairdocs.org/ntsb/ANC16FA023.md): Airbus AS350 · Skagway, AK · Accident · 1 fatal · Field investigation · Final report · May 7, 2016 · N94TH · Substantial damage
  > The pilot's decision to continue visual flight into an area of instrument meteorological conditions, which resulted in the pilot experiencing a loss of visual reference and subsequent controlled flight into terrain. Contributing to the accident were the…

Next page: https://openairdocs.org/ntsb-findings/040320/cases.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '040320'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/040320/cases

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