NTSB investigations, 2011
31 cases where the sequence of events included VFR encounter with IMC.
Cases per year
| 2008 | 28 |
|---|---|
| 2009 | 31 |
| 2010 | 33 |
| 2011 | 31 |
| 2012 | 23 |
| 2013 | 23 |
| 2014 | 22 |
| 2015 | 24 |
| 2016 | 18 |
| 2017 | 29 |
| 2018 | 15 |
| 2019 | 24 |
| 2020 | 13 |
| 2021 | 20 |
| 2022 | 16 |
| 2023 | 17 |
| 2024 | 18 |
| 2025 | 7 |
Where
Open the mapLatest 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 year(c.\"eventDate\") = 2011
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '401' 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.
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 year(c."eventDate") = 2011 AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '401' 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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ERA12MA122Accident · 3 fatalMajor investigationFinal reportBell 206B · Green Cove Springs, FLThe pilot’s improper decision to continue visual flight into night instrument meteorological conditions, which resulted in controlled flight into terrain. Contributing to the pilot’s improper decision was his self-induced pressure to complete the trip.NTSB ERA12CA119Accident · No injuriesData collectionFinal reportHughes 369D · Fall Branch, TNThe pilot's improper decision to continue a visual flight into instrument meteorological conditions, which resulted in a wire strike.NTSB ANC12CA016Accident · Minor injuriesData collectionFinal reportCessna 207A · Kwigillingok, AKThe pilot’s decision to continue visual flight into instrument meteorological conditions with moderate icing, which resulted in structural icing and an aerodynamic stall.NTSB CEN12FA098Accident · 4 fatalField investigationFinal reportSocata TB21 · Silverton, COThe non-instrument-rated pilot’s decision to embark on a flight through forecasted instrument meteorological conditions (IMC), and his subsequent flight into IMC, which resulted in the pilot’s spatial disorientation and subsequent maneuvering of the airplane…NTSB ANC12FA009Accident · 1 fatalField investigationFinal reportCessna 207 · Chuathbaluk, AKThe pilot’s loss of situational awareness after an inadvertent encounter with instrument meteorological conditions, which resulted in an in-flight collision with tree-covered terrain.NTSB CEN12FA083Accident · 4 fatalField investigationFinal reportCirrus Design SR20 · Crystal Lake, ILThe noninstrument-rated pilot's decision to continue flight in instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control of the airplane.NTSB WPR12FA031Accident · 3 fatalField investigationFinal reportCessna 182Q · Lake Havasu City, AZThe pilot's continued cruise flight into cloudy conditions at night, which resulted in a loss of airplane control due to spatial disorientation.NTSB ERA12FA012Accident · 3 fatalField investigationFinal reportPiper PA-32R-300 · Peru, WVThe non-instrument rated pilot's improper decision to continue visual flight into instrument meteorological conditions, which resulted in spatial disorientation and subsequent in-flight collision with mountainous terrain.NTSB ANC11CA092Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Deadhorse, AKThe pilot's continued visual flight into instrument meteorological conditions.NTSB WPR11FA395Accident · 1 fatalField investigationFinal reportMaule M-7-235C · Brookings, ORThe pilot’s improper decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in a collision with trees while on approach for landing.NTSB ERA11FA467Accident · 2 fatalField investigationFinal reportCessna 172M · Titusville, PAThe flight instructor's improper decision to attempt a visual descent into instrument meteorological conditions while approaching the destination airport, which resulted in an in-flight collision with trees and terrain.NTSB ANC11FA077Accident · 2 fatalField investigationFinal reportCessna 207 · McGrath, AKThe pilot's decision to continue visual flight rules flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain.NTSB ERA11FAMS1Accident · 1 fatalMissing aircraftFinal reportPiper PA-28-140The non-instrumented rated pilot’s flight into instrument meteorological conditions for undetermined reasons, resulting in an in-flight loss of control, uncontrolled descent, and collision with the water.NTSB ERA11LA424Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-602 · Drew, MSThe pilot's improper decision to conduct a visual flight rules aerial application flight in instrument meteorological conditions, which resulted in an in flight collision with the ground while maneuvering.NTSB ERA11FA422Accident · 1 fatalField investigationFinal reportPiper PA-28-180 · Berne, NYThe pilot's continued visual flight into instrument meteorological conditions, which resulted in a collision with trees and rising terrain while attempting to reverse course. Contributing to the accident was the pilot's failure to obtain a preflight weather…NTSB ANC11FA069Accident · 2 fatalField investigationFinal reportCessna 182P · Juneau, AKThe pilot's continued visual flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain. Contributing to the accident was the pilot's self-induced pressure to reach his destination.NTSB ERA11WA439Accident · 1 fatalForeign investigationRobinson R-44 · Istok, RussiaOn July 9, 2011, at 1900 universal coordinated time, a Robinson R-44, Russian registration RA-04304, registered to and operated by a private owner, collided with the Yenisei River, near Istok, Krasnoyarsk Region, Russia, during a repositioning flight at…NTSB WPR11FA319Accident · 2 fatalField investigationFinal reportPiper PA-22-135 · Verlot, WAThe non-instrument rated pilot’s decision to continue visual flight into clouds and his failure to maintain clearance from terrain while maneuvering in an area of reduced visibility, low clouds, and mountain obscuration.NTSB ERA11FA376Accident · 5 fatalField investigationFinal reportCessna A185F · Yabucoa, PRThe pilot's inadequate weather planning and improper decision to continue a visual flight rules flight into instrument meteorological conditions, which resulted in an encounter with a thunderstorm and subsequent loss of control.NTSB WPR11FA241Accident · 3 fatalField investigationFinal reportCessna R172K · Cold Springs, NVThe pilot's continued visual flight rules flight into instrument meteorological conditions, which resulted in a controlled collision with terrain.NTSB CEN11FA347Accident · 1 fatalField investigationFinal reportBeech F33A · Taos, NMThe pilot’s continued visual flight into instrument meteorological conditions, which resulted in loss of situational awareness, and a possible encounter with icing conditions.NTSB WPR11FA230Accident · 1 fatalField investigationFinal reportCameron Lancair Legacy · Pioneer, CAThe pilot’s continued flight into instrument meteorological conditions at an insufficient altitude to clear terrain.NTSB WPR11FA221Accident · 1 fatalField investigationFinal reportAir Tractor AT-802A · Miles City, MTThe pilot's continued visual flight rules flight into deteriorating weather conditions in an airplane not equipped for instrument flight, which resulted in a collision with terrain.NTSB CEN11FA300Accident · 1 fatalField investigationFinal reportDahlman-Dower Tailwind W-8 · Elk City, OKThe pilot's decision to attempt flight into instrument meteorological conditions in an airplane that was equipped for flight in visual meteorological conditions only, which resulted in the pilot’s spatial disoriented and loss of control of the airplane.NTSB ERA11GA207Accident · 1 fatalFinal reportCessna A185F · Ashland, MEAn inadvertent encounter with localized instrument meteorological conditions, which resulted in spatial disorientation and a loss of control.NTSB CEN11FA240Accident · 2 fatalField investigationFinal reportCessna 150D · Baraboo, WIThe student pilot’s inadequate preflight planning and his decision to continue the flight into instrument meteorological conditions, which resulted in a subsequent loss of airplane control.NTSB WPR11FA156Accident · 2 fatalField investigationFinal reportDouglas AD-4N · Twin Falls, IDThe non-instrument-rated pilot’s encounter with localized instrument meteorological conditions, which resulted in spatial disorientation and a loss of airplane control.NTSB WPR11FA147Accident · 1 fatalField investigationFinal reportNeefjes Lancair 360 MK-II · Milford, UTThe pilot's loss of control of the airplane due to spatial disorientation after inadvertently entering instrument meteorological conditions. Contributing to the accident were the pilot's inadequate preflight preparation, his en route decision-making, and his…NTSB ERA11WA159Accident · 1 fatalForeign investigationRobinson R44 · Canne della Battaglia, ItalyOn February 18, 2011, about 0706 universal coordinated time, a Robinson R44, French registration F-GUJB, crashed after an in-flight separation of the tail rotor from the fuselage. The pilot was killed. The flight departed Bari, Italy, for Foggia Airport…NTSB ERA11CA134Accident · Serious injuriesData collectionFinal reportPiper PA-12 · Sebago Lake, METhe pilot’s initiation of a right turn with insufficient altitude remaining during an aborted landing resulting in a collision with the landing surface.NTSB ERA11LA104Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-161 · Benton, PAThe pilot's failure to maintain clearance from terrain during the night flight.