# NTSB investigations: Policy/procedure development 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. ## Latest cases - [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 ERA24LA216](https://openairdocs.org/ntsb/ERA24LA216.md): Apellix B1 Washing Drone · Orlando, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 20, 2024 · FA33N7WLTR · Substantial damage > A failure of the sUAS’s magnetometer while operating in close proximity to commercial air conditioning equipment, which resulted in the sUAS’s erratic maneuvering. Contributing to the accident was the RPIC’s failure to input the appropriate command to disarm… - [NTSB DCA20IA081](https://openairdocs.org/ntsb/DCA20IA081.md): Aerospatiale AS350BA · Johnson Valley, CA · Incident · No injuries · Class 3 · Incident · Final report · Feb 6, 2020 · N611TC · 2 aircraft · Minor damage > the failure of the small UAS remote pilot to give way to the helicopter, resulting in an inflight collision. Contributing to the incident was the sUAS remote pilot’s failure to assess and mitigate the risks of operations in close proximity to other aircraft.… - [NTSB WPR17LA159](https://openairdocs.org/ntsb/WPR17LA159.md): Robinson Helicopter R44 II · Van Nuys, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 21, 2017 · N3254E · Substantial damage > An improper repair of the right magneto's tachometer and governor signal wire, which failed during cruise flight and initiated a simultaneous malfunction of both the engine tachometer and governor control system, which resulted in erroneous and contradictory… - [NTSB CEN17LA264](https://openairdocs.org/ntsb/CEN17LA264.md): Bell 47D1 · Big Lake, MN · Accident · No injuries · Limited investigation · Final report · Jul 6, 2017 · N153B · Substantial damage > The failure of the metal core assembly within a wooden main rotor blade due to undetected corrosion and fatigue, which caused the wooden blade to separate from the rotor mast. - [NTSB GAA16CA442](https://openairdocs.org/ntsb/GAA16CA442.md): Cessna 172 · Anchorage, AK · Accident · No injuries · Data collection · Final report · Aug 20, 2016 · N35408 · Substantial damage > The facility's designation of the taxiway for use by maintenance personnel to conduct high thrust tests without appropriate safeguards in place, which led to maintenance personnel conducting high-power, run-up thrust procedures across the active taxiway and… - [NTSB DCA16FA199](https://openairdocs.org/ntsb/DCA16FA199.md): Bell 525 · Italy, TX · Accident · 2 fatal · Class 2 · Field · Final report · Jul 6, 2016 · N525TA · Destroyed > A severe vibration of the helicopter that led to the crew's inability to maintain sufficient rotor rotation speed (Nr), leading to excessive main rotor blade flapping, subsequent main rotor blade contact with the tail boom, and the resultant in-flight… - [NTSB WPR14LA201](https://openairdocs.org/ntsb/WPR14LA201.md): Schweizer G 164B · Biggs, CA · Accident · No injuries · Limited investigation · Final report · May 13, 2014 · N3633C · Substantial damage > The assembler’s improper fabrication of a fuel line (hose) and the subsequent failure to verify that it was not occluded, which resulted in fuel starvation and a total loss of engine power during takeoff. - [NTSB CEN13LA283](https://openairdocs.org/ntsb/CEN13LA283.md): Air Tractor AT-302 · Winnie, TX · Accident · No injuries · Limited investigation · Final report · May 9, 2013 · N3650B · Substantial damage > The improper decision by the pilot to attempt a flight with a known fuel system-related maintenance discrepancy, which resulted in a fuel imbalance and subsequent fuel starvation during an approach to an alternate airport with a rough field. Contributing to… - [NTSB ERA13LA065](https://openairdocs.org/ntsb/ERA13LA065.md): Beech C90A · Roanoke, VA · Accident · No injuries · Limited investigation · Final report · Nov 20, 2012 · N702DK · Substantial damage > The failure of the right main landing gear bearing actuator support brackets. Contributing to the accident was the owner's and operator's failure to comply with the airplane manufacturer's mandatory service bulletin and the Federal Aviation Administration's… - [NTSB WPR12TA323](https://openairdocs.org/ntsb/WPR12TA323.md): Aero Commander 500 S · Elko, NV · Accident · No injuries · Final report · Jul 24, 2012 · N535SA · Substantial damage > A loss of power due to fuel exhaustion. Contributing to the accident were the pilot's failure to comply with required fueling procedures and the pilot's poor decision-making in not monitoring his fuel gauge and turning back when it reached minimum fuel. - [NTSB DCA12FA058](https://openairdocs.org/ntsb/DCA12FA058.md): Bombardier DHC-8-402 · Houston, TX · Accident · No injuries · Field investigation · Final report · Apr 7, 2012 · N213WQ · Substantial damage > the nose landing gear alternate release handle was not pulled with sufficient enough force or distance to release the uplocks and allow extension of the nose landing gear. Contributing to the accident was the dissimilar pull force and pull length set on the… - [NTSB ERA11IA316](https://openairdocs.org/ntsb/ERA11IA316.md): Israel Aircraft Industries Gulfstream 200 · Newburgh, NY · Incident · No injuries · Incident investigation · Final report · May 27, 2011 · N749QS · Minor damage > The flight crew did not ensure that the landing gear selector handle was in the full down (extend) position. Contributing to the incident was inadequate checklist information. - [NTSB DCA11MA076](https://openairdocs.org/ntsb/DCA11MA076.md): Gulfstream GVI · Roswell, NM · Accident · 4 fatal · Class 1 · Major · Final report · Apr 2, 2011 · N652GD · Substantial damage > The National Transportation Safety Board determines the probable cause(s) of this accident as follows: an aerodynamic stall and subsequent uncommanded roll during a one engine-inoperative takeoff flight test, which were the result of (1) Gulfstream’s failure… - [NTSB ERA09LA358](https://openairdocs.org/ntsb/ERA09LA358.md): Piper PA-28-161 · Plymouth, MA · Accident · Minor injuries · Limited investigation · Final report · Jun 20, 2009 · N29496 · Substantial damage > The CFI's inadequate preflight planning and delay to abort the takeoff from the soft takeoff area. - [NTSB CEN09LA341](https://openairdocs.org/ntsb/CEN09LA341.md): Huston Charles D Pitts S-12 · Spicewood, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 5, 2009 · N922TP · Substantial damage > A total loss of engine power due to fuel starvation as a result of the presence of an unidentified contaminant in the fuel system which clogged the fuel flow sensor. Contributing to the accident was the manufacturer’s installation of the fuel flow sensor… - [NTSB NYC08FA218](https://openairdocs.org/ntsb/NYC08FA218.md): Dehavilland DHC6 · Hyannis, MA · Accident · 1 fatal · Field investigation · Final report · Jun 18, 2008 · N656WA · Substantial damage > The pilot's failure to remove the flight control lock prior to takeoff. Contributing to the accident was the Federal Aviation Administration's failure to issue an airworthiness directive making the manufacturer's previously-issued flight control lock service… ## 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", '04011025')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-findings/04011025/cases --- 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.