# NTSB investigations: Support/oversight/monitoring

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 5 · 242 cases

## Latest cases

- [NTSB CEN25LA101](https://openairdocs.org/ntsb/CEN25LA101.md): Cessna 177A · Farlinville, KS · Accident · No injuries · Class 4 · Limited · Final report · Feb 20, 2025 · N30413 · Substantial damage
  > A loss of engine power that resulted from fuel contamination when it was treated with a 70% isopropyl alcohol solution (antiseptic) that contained water. Contributing to the accident were vague fuel treatment instructions provided by the operator.
- [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 ANC25LA008](https://openairdocs.org/ntsb/ANC25LA008.md): Cub Crafters CC18-180 · Anchorage, AK · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 2, 2024 · N55PK · Substantial damage
  > The incorrect installation of the rear flight control stick, resulting in the pilot’s inability to control the pitch attitude, coupled with the pilot’s inadequate control system check before departure, all which resulted in an aerodynamic stall during takeoff.
- [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 ANC24LA079](https://openairdocs.org/ntsb/ANC24LA079.md): Robinson Helicopter R44 II · Palmer, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 18, 2024 · N783AK · Substantial damage
  > The pilot's failure to follow the operator’s procedure manual and attempted to land at a remote landing zone in high wind conditions. Contributing factor was the pilot’s decision to not conduct a fly over of the landing site to determine wind condition which…
- [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 DCA24LA097](https://openairdocs.org/ntsb/DCA24LA097.md): Boeing 777-222ER · Kelsey, NY · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 10, 2024 · N788UA · No damage
  > The airplane’s encounter with an unanticipated localized region of moderate-to-severe turbulence while in instrument meteorological conditions (IMC) associated with strong upper-level wind shear and convective cells. Contributing to the severity of the…
- [NTSB CEN24MA111](https://openairdocs.org/ntsb/CEN24MA111.md): Airbus Helicopters EC 130 · Halloran Springs, CA · Accident · 6 fatal · Class 2 · Major · Final report · Feb 10, 2024 · N130CZ · Destroyed
  > The pilot’s decision to continue the visual flight rules flight into instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control. Contributing to the accident was the company’s inadequate oversight of its…
- [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 ENG24FA003](https://openairdocs.org/ntsb/ENG24FA003.md): Boeing 767-300F · Memphis, TN · Incident · No injuries · Class 3 · Field · Final report · Oct 18, 2023 · N287FE · Minor damage
  > A high-pressure fuel leak from a gap in the bolted flange interface between the main fuel pump’s fuel crossover supply tube and the hydromechanical unit idler adapter pad, which resulted in the crossover tube flange bolts partially pulling out and allowing…
- [NTSB DCA23LA465](https://openairdocs.org/ntsb/DCA23LA465.md): Boeing 787-8 · Lake Erie Beach, NY · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 28, 2023 · N804AN · No damage
  > Malfunctioning brakes on a service cart.
- [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 ERA23LA327](https://openairdocs.org/ntsb/ERA23LA327.md): Air Tractor AT502 · Leipsic, OH · Accident · No injuries · Class 3 · Limited · Final report · Aug 4, 2023 · N5048S · Substantial damage
  > The incorrect assembly of the turbine engine’s reduction gear box second-stage ring gear, which resulted in an internal failure of multiple engine components and a total loss of power.
- [NTSB DCA23LA384](https://openairdocs.org/ntsb/DCA23LA384.md): Boeing 767-322 · Houston, TX · Accident · No injuries · Class 3 · Limited · Final report · Jul 29, 2023 · N641UA · Substantial damage
  > The first officer’s improper control inputs after the airplane touched down. Contributing to the severity of the damage was the flight crew’s lack of recognition that the speedbrakes were not armed, which led to their delayed deployment.
- [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 WPR23LA107](https://openairdocs.org/ntsb/WPR23LA107.md): Bell OH-58A · Yuma, AZ · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 7, 2023 · N36FA · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB DCA23FA149](https://openairdocs.org/ntsb/DCA23FA149.md): Boeing 737-79P · Austin, TX · Incident · No injuries · Class 1 · Field · Final report · Feb 4, 2023 · N7827A · 2 aircraft · No damage
  > the local controller’s incorrect assumption that the Southwest Airlines (SWA) airplane would depart from the runway before the Federal Express airplane arrived on the same runway, which resulted in a loss of separation between both airplanes. Contributing to…
- [NTSB DCA23LA125](https://openairdocs.org/ntsb/DCA23LA125.md): Boeing 737-900ER · Queens, NY · Incident · No injuries · Class 1 · Limited · Final report · Jan 14, 2023 · N914DU · 2 aircraft · No damage
  > The American Airlines flight 106 (AAL106) crew’s surface navigation error due to distractions caused by their performance of concurrent operational tasks during taxi, which resulted in a loss of situational awareness. Contributing to the incident was the air…
- [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 CEN23FA031](https://openairdocs.org/ntsb/CEN23FA031.md): Piper PA46-500TP · Bignell, NE · Accident · 2 fatal · Class 3 · Field · Final report · Nov 9, 2022 · N234PM · Destroyed
  > The pilot’s flight into low instrument flight rules conditions and turbulence, which resulted in spatial disorientation, loss of control, and an impact with terrain. Contributing to the accident was the pilot’s lack of total instrument experience.
- [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 DCA22MA193](https://openairdocs.org/ntsb/DCA22MA193.md): Dehavilland DHC-3 · Freeland, WA · Accident · 10 fatal · Class 1 · Major · Final report · Sep 4, 2022 · N725TH · Destroyed
  > The in-flight unthreading of the clamp nut from the horizontal stabilizer trim actuator barrel due to a missing lock ring, which resulted in the horizontal stabilizer moving to an extreme trailing-edge-down position rendering the airplane’s pitch…
- [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 WPR22FA151](https://openairdocs.org/ntsb/WPR22FA151.md): Cessna 208B · Heyburn, ID · Accident · 1 fatal · Class 3 · Field · Final report · Apr 13, 2022 · N928JP · Substantial damage
  > The pilot’s failure to maintain altitude during an instrument approach, which resulted in a descent below the approach path and impact with a vent stack. Also causal was the failure of the processing plant to correctly paint the vent stacks, which had been…
- [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 DCA22MA009](https://openairdocs.org/ntsb/DCA22MA009.md): Mcdonnell Douglas DC-9-87 (MD-87) · Brookshire, TX · Accident · Serious injuries · Class 2 · Major · Final report · Oct 19, 2021 · N987AK · Destroyed
  > The jammed condition of both elevators, which resulted from exposure to localized, dynamic high wind while the airplane was parked and prevented the airplane from rotating during the takeoff roll. Also causal was the failure of Everts Air Cargo, the pilots’…
- [NTSB ERA22FA004](https://openairdocs.org/ntsb/ERA22FA004.md): Dassault Falcon 20 · Thomson, GA · Accident · 2 fatal · Class 3 · Field · Final report · Oct 5, 2021 · N283SA · Destroyed
  > The flight crew’s continuation of an unstable dark night visual approach and the captain’s instruction to use air brakes during the approach contrary to airplane operating limitations, which resulted in a descent below the glide path, and a collision with…
- [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 DCA20MA059](https://openairdocs.org/ntsb/DCA20MA059.md): Sikorsky S76 · Calabasas, CA · Accident · 9 fatal · Class 1 · Major · Final report · Jan 26, 2020 · N72EX · Destroyed
  > The pilot’s decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control. Contributing to the accident was the pilot’s likely self-induced pressure…
- [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 ERA19LA253](https://openairdocs.org/ntsb/ERA19LA253.md): Velocity XL-5 · St. Cloud, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 21, 2019 · N735D · Substantial damage
  > The pilot’s failure to properly secure the airplane electrical system’s positive/negative leads to the 24v battery, which resulted in a total loss of electrical and engine power in flight.

Next page: https://openairdocs.org/ntsb-findings/0403/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", '0403'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/0403/cases

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