Major NTSB investigations

5 cases where the sequence of events included Other weather encounter.

Cases per year

20082026
Major NTSB investigations per year, 2008–2026: 5 cases
20081
20091
20111
20181
20191

Latest cases

Query with SQL
duckdb -csv -c "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.board_report_url IS NOT NULL OR c.\"investigationClass\" = 'Class 1' OR c.\"caseType\" = 'Major - Launch')
    AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '400' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\"))
  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 DCA19MA143Accident · Minor injuriesClass 2 · MajorFinal reportBoeing 737 · Jacksonville, FLAn extreme loss of braking friction due to heavy rain and the water depth on the ungrooved runway, which resulted in viscous hydroplaning. Contributing to the accident was the operator’s inadequate guidance for evaluating runway braking conditions and…May 4, 2019 · N732MA · Substantial damageNTSB WPR18MA087Accident · 5 fatalClass 3 · MajorFinal reportEurocopter EC130 · Peach Springs, AZA loss of tail rotor effectiveness, the pilot’s subsequent loss of helicopter control, and collision with terrain during an approach to land in gusting, tailwind conditions in an area of potential downdrafts and turbulence.Feb 11, 2018 · N155GC · DestroyedNTSB WPR12MA034Accident · 5 fatalMajor investigationFinal reportEurocopter EC 130 B4 · Pukoo, HIThe pilot's failure to maintain clearance from mountainous terrain while operating in marginal weather conditions, which resulted in the impact of the horizontal stabilizer and lower forward portion of the fenestron with ground and/or vegetation and led to…Nov 10, 2011 · N11QV · Substantial damageNTSB ERA09MA157Accident · 6 fatalMajor investigationFinal reportCessna 206H · Quebradillas, PRThe pilot exceeded the design limits of the airplane, which resulted in an in-flight break up while maneuvering in adverse weather conditions.Feb 8, 2009 · N118ME · DestroyedNTSB DCA09MA021Accident · Serious injuriesClass 1 · MajorFinal reportBoeing 737-524 · Denver, COThe captain’s cessation of right rudder input, which was needed to maintain directional control of the airplane, about 4 seconds before the excursion, when the airplane encountered a strong and gusty crosswind that exceeded the captain’s training and…Dec 21, 2008 · N18611 · Substantial damage