NTSB investigations, 2011

287 cases where the phase of flight was Enroute.

Cases per year

19622026
NTSB investigations, 2011 per year, 1962–2026: 35,879 cases
196218
196328
1964703
1965750
1966856
1967893
1968881
1969995
1970996
1971941
1972894
1973935
1974968
1975977
1976927
1977936
19781,018
1979968
1980873
1981881
1982786
1983734
1984747
1985704
1986693
1987616
1988656
1989590
1990548
1991574
1992542
1993533
1994498
1995506
1996511
1997466
1998467
1999452
2000451
2001396
2002407
2003415
2004380
2005390
2006325
2007353
2008255
2009309
2010269
2011287
2012309
2013280
2014258
2015295
2016324
2017275
2018340
2019348
2020248
2021323
2022311
2023322
2024368
2025347
2026233

Latest cases

Query with SQL
duckdb -csv -c "WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
    crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
    current_codes AS (
      SELECT e.case_mkey, TRY_CAST(e.\"tier1Number\" AS INTEGER) AS code,
        row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e.\"isDefiningEvent\", false) DESC, e.position) AS n
      FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
      WHERE e.aircrafts_position = 1 AND e.\"tier1Number\" GLOB '[1-9][0-9]*'
        AND (e.\"isDefiningEvent\" OR e.case_mkey IN (SELECT \"mKey\" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE \"isPre1982\"))
    ),
    phases AS (
      SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
      FROM current_codes WHERE n = 1
      UNION ALL
      SELECT o.case_mkey, 'older', o.\"phaseOfFlightCode\", w.main
      FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o.\"phaseOfFlightCode\"
      WHERE o.aircrafts_position = 1 AND o.\"occurrenceNumber\" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
    ),
    case_phases AS (
      SELECT p.*, c.\"eventDate\", c.\"highestInjuryLevel\" = 'Fatal' AS fatal, a.aircraft_model_code
      FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = p.case_mkey
      LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
      WHERE c.\"eventDate\" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
    )
  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 case_mkey FROM case_phases WHERE main = 400)
  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 CEN12LA118Accident · Minor injuriesLimited investigationFinal reportPiper PA-32-260 · Elk Rapids, MIThe loss of engine power due to the failure of the exhaust valve.Dec 31, 2011 · N997TB · Substantial damageNTSB ERA12WA133Accident · 2 fatalForeign investigationPiper PA28 · Andres Bello,Tachira, VenezuelaOn December 29, 2011, about 1415 universal coordinated time, a Piper PA28-161, Columbian registration HK3934, was substantially damaged when it impacted terrain while in cruise flight near Andres Bello, Tachira, Venezuela. The two pilots were fatally injured.…Dec 29, 2011 · HK3934 · Substantial damageNTSB WPR12CA072Accident · No injuriesData collectionFinal reportSchweizer SGS 1-26B · Murrieta, CAThe glider's encounter with insufficient atmospheric lift to maintain soaring flight.Dec 28, 2011 · N8641R · Substantial damageNTSB 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.Dec 21, 2011 · N500TN · Substantial damageNTSB ERA12FA115Accident · 5 fatalField investigationFinal reportSocata TBM 700 · Morristown, NJThe airplane’s encounter with unforecasted severe icing conditions that were characterized by high ice accretion rates and the pilot's failure to use his command authority to depart the icing conditions in an expeditious manner, which resulted in a loss of…Dec 20, 2011 · N731CA · DestroyedNTSB WPR12LA064Accident · No injuriesLimited investigationFinal reportPiper PA-22 · Friday Harbor, WAA total loss of engine power during initial climb for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.Dec 13, 2011 · N1810P · Substantial damageNTSB WPR12FA059Accident · 1 fatalField investigationFinal reportVans RV7 - A · Surprise, AZAn electrical or engine electronic problem, which resulted in a loss of engine power, followed by a low-altitude stall.Dec 10, 2011 · N724WD · Substantial damageNTSB ERA12WA113Accident · 1 fatalForeign investigationRobinson R44 · Sao Bento do Sul, BrazilOn December 9, 2011 at 1630 universal coordinated time, a Robinson R44, Brazilian registration PR-KLA, operated by SASH Locacao de Veiculos LTDA, as a personal flight, impacted terrain in the vicinity of Fazenda Coqueiros, Sao Bento do Sul, Santa Catarina,…Dec 9, 2011 · PR-KLA · Substantial damageNTSB WPR12FA058Accident · 1 fatalField investigationFinal reportPiper PA-28R-200 · Coupeville, WAThe total loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal evidence of preaccident mechanical malfunctions or failures that would have precluded normal operation.Dec 8, 2011 · N2611R · Substantial damageNTSB DCA12MA020Accident · 5 fatalClass 1 · MajorFinal reportEurocopter France AS350B2 · Las Vegas, NVSundance Helicopters’ inadequate maintenance of the helicopter, including (1) the improper reuse of a degraded self-locking nut, (2) the improper or lack of installation of a split pin, and (3) inadequate postmaintenance inspections, which resulted in the…Dec 8, 2011 · N37SH · DestroyedNTSB CEN12LA111Accident · Minor injuriesLimited investigationFinal reportCurtiss Wright P40M · Batavia, OHA loss of engine power due to failure of the engine oil cooler and subsequent oil starvation to the engine.Dec 8, 2011 · N5813 · Substantial damageNTSB ERA12WA104Accident · No injuriesForeign investigationPiper PA28 · Bogota, ColombiaOn December 6, 2011, about 1815 Universal Coordinated Time (UTC), a Piper PA-28-236, Columbian registration HK2308, operated by Aeroclub de Colombia, incurred substantial damage to the left wing and separated the left main gear when it collided with a tree…Dec 6, 2011 · HK2308 · Substantial damageNTSB 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…Dec 3, 2011 · N25153 · Substantial damageNTSB WPR12LA053Accident · Serious injuriesLimited investigationFinal reportBoeing 737-7H4 · Oakland, CAThe flight crew’s flight into known severe turbulence associated with mountain wave activity.Dec 2, 2011 · N261WN · No damageNTSB ERA12IA097Incident · No injuriesIncident investigationFinal reportCessna 560XL · Ocoee, FLWater contamination in the pitch trim actuators.Dec 2, 2011 · N576CS · No damageNTSB CEN12IA096Incident · No injuriesIncident investigationFinal reportBell Helicopter Textron Canada 407 · Gulf Of MexicoThe failure of the compressor section No. 2 bearing due to false brinnelling and fatigue.Dec 1, 2011 · N435PH · No damageNTSB CEN12FA088Accident · 1 fatalField investigationFinal reportPiper PA-31 · New Orleans, LAThe pilot's fatal cardiac event, which resulted in the inflight loss of control of the airplane. Contributing to the accident was the pilot's use of impairing medications and operation of the airplane with disqualifying medical conditions.Nov 30, 2011 · N6485L · Minor damageNTSB 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.Nov 29, 2011 · N1673U · Substantial damageNTSB ERA12LA087Accident · No injuriesLimited investigationFinal reportSmith Miniplane DSA-4 · Hernando, FLThe pilot's failure to apply carburetor heat while descending in conditions conducive to carburetor icing, which resulted in carburetor icing and a subsequent total loss of engine power.Nov 27, 2011 · N1321 · Substantial damageNTSB ERA12WA105Accident · 2 fatalForeign investigationCirrus SR20 · Minas Gerias, BrazilOn November 26, 2011, about 1300 universal coordinated time, a Cirrus SR20, Brazilian registration PR-LJL, operated by a private individual, was substantially damaged when it impacted terrain in Carmo do Cajuri Municipality, Minas Gerais, Brazil. The pilot…Nov 26, 2011 · PR-LJL · Substantial damageNTSB ERA12FA084Accident · 3 fatalField investigationFinal reportCessna 177RG · Tallapoosa, GAThe failure of the No. 2 rod end cap bolt, which resulted in a total loss of engine power.Nov 26, 2011 · N5AW · Substantial damageNTSB 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.Nov 26, 2011 · N223CD · Substantial damageNTSB WPR12MA046Accident · 6 fatalMajor investigationFinal reportRockwell 690 · Apache Junction, AZThe pilot's failure to maintain a safe ground track and altitude combination for the moonless night visual flight rules flight, which resulted in controlled flight into terrain. Contributing to the accident were the pilot's complacency and lack of situational…Nov 24, 2011 · N690SM · DestroyedNTSB ERA12LA085Accident · Serious injuriesLimited investigationFinal reportPiper PA 46-350P · Caribbean Sea, A1The total loss of engine power during cruise flight for reasons that could not be determined because the airplane was not recovered. Contributing to the accident was the pilot’s failure to comply with the airplane and engine limitations, and his decision to…Nov 24, 2011 · N534P · Substantial damageNTSB CEN12FA080Accident · 1 fatalField investigationFinal reportDiamond Aircraft Ind DA 20-C1 · Bern, WIThe non-instrument-rated pilot's continued visual flight into instrument meteorological conditions, which resulted in a loss of control and subsequent impact with the terrain.Nov 24, 2011 · N203MK · Substantial damageNTSB ANC12CA010Accident · No injuriesData collectionFinal reportCessna A185F · Talkeetna, AKA broken wheel/ski clevis pin, which allowed the ski to pivot upward and strike the right wing lift strut.Nov 23, 2011 · N121EE · Substantial damageNTSB ERA12WA102Accident · 1 fatalForeign investigationCessna 210 · Alto Alegre, BrazilOn November 22, 2011, at 1740 universal time coordinated, a Cessna Aircraft, Model 210L, Brazilian registration PT-IOT, impacted the ground after reporting an engine failure near Aldeia Hali Katu, in the Alto Alegre Municipality, Roraima, Brazil. The airplane…Nov 22, 2011 · PT-IOT · Substantial damageNTSB ERA12FA074Accident · Serious injuriesField investigationFinal reportBeech 95-C55 · Ulysses, PAThe total loss of left engine power due to fuel starvation, and the pilot’s improper configuration of the fuel system during remedial actions, which resulted in fuel starvation of the right engine. Contributing to the accident was the pilot’s incomplete…Nov 17, 2011 · N54552 · Substantial damageNTSB CEN12FA072Accident · 4 fatalField investigationFinal reportPiper PA-28-180 · Perryville, ARThe pilot's loss of control in flight.Nov 17, 2011 · N7746W · Substantial damageNTSB WPR12LA039Accident · Serious injuriesLimited investigationFinal reportWilliams Helicopter UH-1H · Grand Canyon, AZThe loss of main rotor power due to a main rotor transmission failure from a lack of lubrication.Nov 15, 2011 · N502AW · Substantial damageNTSB CEN12LA074Accident · No injuriesLimited investigationFinal reportBeech S35 · Elkhart Lake, WIThe pilot's improper fuel management, which resulted in a total loss of engine power due to fuel starvation.Nov 15, 2011 · N5858S · Substantial damageNTSB CEN12LA060Accident · No injuriesLimited investigationFinal reportCessna 180 · Eau Claire, WIThe pilot’s disorientation during a night flight, which resulted in an off-airport landing, and his inadequate directional control during the landing roll. Contributing to the accident was the loss of the airplane’s electrical system power.Nov 12, 2011 · N3606C · Substantial damageNTSB CEN12CA079Accident · Minor injuriesData collectionFinal reportBeech 95-B55 (T42A) · College Station, TXThe total loss of engine power from both engines, which resulted from fuel exhaustion due to the pilot’s inadequate pre-flight preparation.Nov 10, 2011 · N8188R · Substantial damageNTSB 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.Nov 7, 2011 · N4701N · Substantial damageNTSB ERA12CA059Accident · Minor injuriesData collectionFinal reportBeech F33A · Chesterfield, VAA total loss of engine power due to fuel starvation, as a result of the pilot's improper fuel management.Nov 2, 2011 · N833 · Substantial damageNTSB ERA12FA057Accident · 1 fatalField investigationFinal reportEckenrode Carl J Vans RV-6 · Taylorsville, GAThe airplane's entry into an uncontrolled descent for reasons that could not be determined because postaccident examination of the airplane and the pilot’s medical history did not reveal any anomalies that would have precluded normal operation.Nov 1, 2011 · N262MA · Substantial damageNTSB CEN12IA050Incident · No injuriesIncident investigationFinal reportNusbaum Vaquero · Hebron, ILThe pilot’s operation of the airplane with known medical conditions and his subsequent heart attack during the flight.Nov 1, 2011 · N30CY · No damageNTSB CEN12CA051Accident · Minor injuriesData collectionFinal reportDowner Bellanca 14-19-2 · Borger, TXA total loss of engine power due to fuel starvation as a result of the pilot’s improper fuel management. Contributing to the accident was the pilot’s diverted attention with the broken fuel gauge knob.Nov 1, 2011 · N711W · Substantial damageNTSB ERA12CA055Accident · No injuriesData collectionFinal reportTacchi Torello F Vans Aircraft RV10 · Folkston, GAThe pilot's improper preflight planning, which resulted in a loss of engine power due to fuel exhaustion.Oct 30, 2011 · N968TP · Substantial damageNTSB ANC12FA006Accident · 1 fatalField investigationFinal reportEurocopter AS 350 B2 · Iliamna, AKThe pilot's loss of control due to sudden medical impairment or incapacitation.Oct 30, 2011 · N165EH · DestroyedNTSB WPR12LA023Accident · No injuriesLimited investigationFinal reportCessna 185 · Prineville, ORA total loss of engine power due to fuel starvation, which resulted from the pilot inadvertently leaving the fuel selector set to the left tank. Contributing to the accident was the pilot’s deviation from his normal habit pattern and his failure to refer to…Oct 28, 2011 · N520YH · Substantial damageNTSB DCA12WA010Accident · No injuriesForeign investigationBoeing 777 - 200 · Nani, KenyaOn October 28, 2011 about 1544 hours UTC, a Boeing 777-200LR, registration number A7-BBD, operated by Qatar Airways, encountered inflight turbulence, during cruise flight near Nani, Kenya. A cabin crew member received serious injuries. The flight originated…Oct 28, 2011 · A7-BBD · No damageNTSB WPR12FA021Accident · 1 fatalField investigationFinal reportCessna 182R · Lexington, ORThe pilot’s failure to maintain situational awareness and terrain clearance on a dark night during the approach to landing.Oct 27, 2011 · N6545E · Substantial damageNTSB WPR12FA020Accident · 1 fatalField investigationFinal reportPiper PA-44-180 · St. Paul, ORThe pilot was unable to see the other aircraft to avoid a collision.Oct 25, 2011 · N3062H · 2 aircraft · Substantial damageNTSB CEN12CA035Accident · Minor injuriesData collectionFinal reportHouts Avid Mark IV · Hibbing, MNThe improper installation of a hose clamp, which resulted in an oil line rupture and subsequent loss of engine oil pressure.Oct 21, 2011 · N43280 · Substantial damageNTSB WPR12WA186Accident · No injuriesForeign investigationPiper PA-34-220T · Karachi, PakistanOn October 20, 2011, at 1138 local time, a Piper PA-34-220T, Pakistan registry AP-BDK, was substantially damaged during a forced landing following a dual engine failure while in cruise flight. The aircraft was operated by M/S Schon Air Limited of Karachi,…Oct 20, 2011 · AP_BDK · Substantial damageNTSB ERA12CA044Accident · Serious injuriesData collectionFinal reportBoeing 767-2B7 · New York, NYThe passenger's lack of compliance with the illuminated seatbelt sign, which resulted in her injury during a turbulence encounter.Oct 20, 2011 · N253AY · No damageNTSB ERA12LA033Accident · No injuriesLimited investigationFinal reportCessna R172K · Williamsburg, VAA total loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.Oct 17, 2011 · N758GY · Substantial damageNTSB WPR12FA012Accident · 3 fatalField investigationFinal reportBeech E33 · Daggett, CAA loss of engine power due to the separation of a connecting rod, and the pilot's failure to maintain airplane control during a sudden maneuver to avoid power lines during the descent, which resulted in an unrecoverable aerodynamic stall and subsequent spin.…Oct 16, 2011 · N7011N · Substantial damageNTSB CEN12FA021Accident · 1 fatalField investigationFinal reportPiper PA-28-140 · Guthrie, OKThe pilot’s inadequate fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.Oct 16, 2011 · N6085W · Substantial damage