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NTSB investigations, IA

233 cases where the phase of flight was Approach.

Cases per year

19642026

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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 c.\"eventStateOrRegion\" = 'IA' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 500)
  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 CEN26LA271Accident · No injuriesClass 3 · LimitedPreliminary reportBeech V35 · Carroll, IAOn July 24, 2026, about 1550 central daylight time, a Beech V35 airplane, N3707Q, was substantially damaged when it was involved in an accident near Carroll, Iowa. The pilot was not injured. The flight was operated under the provisions of Title 14 Code of…Jul 24, 2026 · N3707Q · Substantial damageNTSB CEN25LA172Accident · No injuriesClass 4 · LimitedFinal reportGolden Circle Air T-Bird · Dallas Center, IAThe pilot’s failure to maintain adequate roll control of the light sport airplane while on final approach to the airstrip with a crosswind.May 5, 2025 · N7192M · Substantial damageNTSB CEN24LA355Accident · Minor injuriesClass 4 · LimitedFinal reportJust SuperStol · Mount Vernon, IAThe pilot’s failure to maintain airplane control during a go-around which resulted in an aerodynamic stall and collision with terrain.Sep 12, 2024 · N874FT · Substantial damageNTSB CEN24LA079Accident · No injuriesClass 3 · LimitedFinal reportCirrus Design SR22T · Davenport, IAThe fatigue failure of the No. 5 cylinder head, which resulted in a total loss of engine power. Contributing to the accident was the maintenance which did not fully blend to the depth necessary to preclude the failure.Dec 31, 2023 · N773GB · Substantial damageNTSB CEN23LA240Accident · No injuriesClass 4 · LimitedFinal reportTaylorcraft BC-65 · Sibley, IAThe pilot’s failure to maintain adequate airspeed on final approach resulting in the airplane inadvertently exceeding the critical angle of attack and entering an inadvertent aerodynamic stall.Jun 15, 2023 · N23679 · Substantial damageNTSB CEN23LA076Accident · No injuriesClass 3 · LimitedFinal reportCessna 182M · Council Bluffs, IAThe partial loss of engine power for reasons that could not be determined.Jan 5, 2023 · N71494 · Substantial damageNTSB CEN23FA059Accident · 1 fatalClass 3 · FieldFinal reportEngineering & Research Ercoupe 415-C · Corning, IAThe pilot’s failure to maintain clearance from obstructions during a go-around, which resulted in impact with powerlines, a tree, and the ground.Dec 5, 2022 · N99345 · DestroyedNTSB CEN22LA084Accident · No injuriesClass 4 · LimitedFinal reportTextron 525 · Dubuque, IAAn inflight collision with a flock of geese that resulted in substantial damage to the vertical stabilizer.Dec 21, 2021 · N287CB · Substantial damageNTSB CEN21LA419Accident · Minor injuriesClass 4 · LimitedFinal reportThatcher CX4 · Marshalltown, IAThe pilot’s failure to properly determine the correct fuel quantity during preflight inspection that resulted in a loss of engine power during approach due to fuel exhaustion.Sep 9, 2021 · N306TA · Substantial damageNTSB CEN21FA299Accident · 2 fatalClass 3 · FieldFinal reportCirrus Design SR22 · Lamoni, IAThe pilot did not maintain aircraft control during an attempted go-around after a bounced landing, which resulted in impact with terrain and a postimpact fire.Jul 1, 2021 · N123RE · DestroyedNTSB CEN20LA276Accident · No injuriesClass 3 · LimitedFinal reportRockwell S2R R1340 · Keokuk, IAThe improper installation of a fuel vent line during maintenance, which resulted in fuel starvation and a total loss of engine power.Jul 12, 2020 · N3104S · Substantial damageNTSB CEN20LA261Accident · Minor injuriesClass 3 · LimitedFinal reportEnstrom 280 · Des Moines, IAThe partial loss of rotor and engine speed during approach for landing, which resulted in an autorotation and impact with terrain. The reason for the partial loss of rotor and engine speed could not be determined based on the available evidence. Contributing…Jul 4, 2020 · N282SH · DestroyedNTSB GAA19CA363Accident · No injuriesData collectionFinal reportCessna 150 · Elkader, IAThe pilot's delayed decision to go around, which resulted in a collision with trees and terrain.Jun 20, 2019 · N6471F · Substantial damageNTSB CEN18LA278Accident · No injuriesClass 3 · LimitedFinal reportAero Commander S2R · Vinton, IALoss of throttle control input due to a failure in the throttle control system. Contributing to the accident was the inadequate inspection and reinstallation of worn parts by maintenance personnel.Jul 17, 2018 · N5553X · Substantial damageNTSB GAA17CA317Accident · No injuriesData collectionFinal reportCessna 177 · Guttenberg, IAThe pilot’s failure to maintain an adequate approach path, which resulted in the left wing impacting a street sign.Jun 3, 2017 · N34462 · Substantial damageNTSB GAA16CA501Accident · No injuriesData collectionFinal reportPiper PA28R · Ottumwa, IAThe pilot receiving instruction's failure to maintain adequate airspeed and his exceedance of the airplane's critical angle-of-attack during a simulated engine failure and landing, which resulted in an aerodynamic stall. Contributing to the accident was the…Sep 21, 2016 · N3803T · Substantial damageNTSB CEN16FA062Accident · 1 fatalField investigationFinal reportPiper PA46 500TP · Council Bluffs, IAThe pilot's failure to maintain clearance from power lines while returning to the airport after becoming distracted by a noncritical flight instrumentation anomaly indication.Dec 10, 2015 · N145JR · Substantial damageNTSB GAA15CA138Accident · Serious injuriesData collectionFinal reportQuicksilver MXL II Sport · Ute, IAThe pilot's failure to maintain sufficient airspeed to prevent an inadvertent aerodynamic stall, and impact with terrain.Jun 25, 2015 · UNREG · Substantial damageNTSB CEN15FA008Accident · 1 fatalField investigationFinal reportPiper PA46 · Dubuque, IAThe pilot's loss of airplane control while attempting to fly a missed approach procedure in instrument meteorological conditions.Oct 14, 2014 · N9126V · DestroyedNTSB CEN13LA570Accident · No injuriesLimited investigationFinal reportPiper PA 28-181 · Algona, IAFuel exhaustion as a result of the pilot's failure to ensure he had sufficient fuel on board to complete the planned flight. Contributing to the accident was the incomplete information provided by the airport's AWOS.Sep 30, 2013 · N31688 · Substantial damageNTSB CEN13CA133Accident · No injuriesData collectionFinal reportAmerican General Acft AG5B · Ankeny, IAThe pilot’s failure to maintain a proper glide path to the runway in gusty wind conditions and his failure to maintain clearance from obstructions during the subsequent go-around. Contributing to the accident was the pilot's improper interior lighting…Jan 12, 2013 · N897GA · Substantial damageNTSB CEN13FA078Accident · 1 fatalField investigationFinal reportTaylorcraft BC12-D · Clutier, IAThe pilot’s failure to monitor, recognize, and identify obstacles on approach to landing, which resulted in an inadvertent collision with power lines. Contributing to the accident was the pilot’s expectation and assumption that there were no above-ground…Nov 28, 2012 · N94973 · Substantial damageNTSB CEN11LA148Accident · No injuriesLimited investigationFinal reportBeech H35 · Des Moines, IAA total loss of engine power due to fuel exhaustion as a result of the pilot's inadequate fuel planning.Dec 18, 2010 · N5537D · Substantial damageNTSB CEN10LA401Accident · 1 fatalLimited investigationFinal reportKlemme William H Zenith CH 701 · Iowa Falls, IAThe pilot’s failure to maintain adequate airspeed while on final approach, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's lack of experience in the model of airplane.Jul 15, 2010 · N701KC · Substantial damageNTSB CEN10CA349Accident · No injuriesData collectionFinal reportPiper PA-28-151 · Webster, IAThe pilot misjudged his speed and distance during landing, which resulted in an overrun.May 9, 2010 · N8083C · Substantial damageNTSB CEN10FA119Accident · 1 fatalField investigationFinal reportPiper PA-31T · Forest City, IAThe pilot's failure to maintain airplane control during final approach.Feb 12, 2010 · N250TT · Substantial damageNTSB CEN10CA100Accident · Minor injuriesData collectionFinal reportCessna P172D · Cedar Rapids, IAThe pilot's continued visual flight into instrument meteorological conditions and his failure to maintain a proper glidepath during the approach. Contributing to the accident was the pilot's lack of instrument proficiency.Jan 18, 2010 · N8584X · Substantial damageNTSB CEN10LA103Accident · Serious injuriesLimited investigationFinal reportCessna 177RG · Cedar Rapids, IAThe pilot's failure to maintain aircraft control while flying an instrument approach. Contributing to the accident was the pilot's lack of experience in actual instrument conditions.Jan 17, 2010 · N53120 · Substantial damageNTSB CEN09CA532Accident · Serious injuriesData collectionFinal reportPiper PA-28-161 · Washington, IAA loss of engine power due to carburetor icing as a result of the pilot's failure to use carburetor heat in conditions that were conducive to carburetor icing.Aug 16, 2009 · N47539 · Substantial damageNTSB CEN09LA491Accident · Minor injuriesLimited investigationFinal reportCessna 182J · Iowa Falls, IABoth pilots' failure to execute adequate visual lookout, resulting in the two airplanes colliding over the runway.Jul 31, 2009 · N989TP · 2 aircraft · Substantial damageNTSB CEN09CA021Accident · Serious injuriesData collectionFinal reportCessna 150M · Iowa City, IAFuel exhaustion due to the pilot's failure to visually verify that sufficient fuel was on-board prior to flight.Oct 7, 2008 · N533JR · Substantial damageNTSB CHI08CA261Accident · Minor injuriesData collectionFinal reportNtbk Wag Aero Sport · Oxford, IAThe pilot misjudged his approach path which resulted in insufficient altitude and the subsequent failure to maintain clearance with the trees. Contributing to the accident were the trees and the dusk lighting conditions.Aug 21, 2008 · N141ST · Substantial damageNTSB CHI08CA251Accident · Minor injuriesData collectionFinal reportAir Tractor AT-301B · Monticello, IAPoor preflight planning in that the pilot failed to assure an adequate fuel supply was on board for the flight which resulted in fuel exhaustion. Factors associated with the accident were the low altitude of the airplane when the loss of power occurred and…Aug 13, 2008 · N3161D · Substantial damageNTSB CHI08CA242Accident · No injuriesData collectionFinal reportSchweizer G-164A · Jefferson, IAThe loss of engine power for an undetermined reason and the unsuitable terrain encountered during the forced landing. The corn crop was a factor.Aug 8, 2008 · N73PB · Substantial damageNTSB CHI08LA037Accident · 2 fatalLimited investigationFinal reportPadelt PG37-1 · Hampton, IAThe pilot's inadequate in-flight planning which resulted in the failure to maintain clearance with the power lines. Contributing to the accident was the power line.Nov 16, 2007 · N4448Y · Substantial damageNTSB CHI07LA312Accident · Serious injuriesLimited investigationFinal reportBeech B35 · Waterloo, IAThe pilot's failure to maintain adequate clearance from the trees and terrain during a night visual approach for landing. Contributing to the accident were the pilot's lack of recent night flying experience, the night conditions, and the trees.Sep 30, 2007 · N55GW · Substantial damageNTSB CHI07CA196Accident · Minor injuriesData collectionFinal reportAnderson Glasair FT II · Cedar Rapids, IAThe loss of engine power for undetermined reasons during the downwind leg, which resulted in a forced landing. A factor in the accident was the unsuitable terrain encountered.Jun 29, 2007 · N123JA · Substantial damageNTSB CHI07FA073Accident · 4 fatalField investigationFinal reportCessna 340A · Council Bluffs, IAThe pilot's continued flight into adverse weather, and his failure to maintain altitude during the instrument approach. Contributing factors were the presence of severe icing, moderate turbulence, and low-level wind shear.Feb 17, 2007 · N111SC · DestroyedNTSB CHI07LA011Accident · No injuriesLimited investigationFinal reportCessna R182 · Ames, IAThe fatigue failure of the landing gear actuator pin and the exterior visual maintenance inspection for cracks not possible by company maintenance personnel.Oct 22, 2006 · N5274S · Substantial damageNTSB CHI05CA002Accident · Minor injuriesData collectionFinal reportPiper PA-28-180 · Marion, IAThe pilot's inadequate compensation for the gusting wind conditions and his failure to maintain aircraft control. Factors to the accident were the encountered turbulence, the gusting wind conditions and the airport hangar.Oct 3, 2004 · N7841N · Substantial damageNTSB CHI04LA185Accident · Serious injuriesLimited investigationFinal reportVarga 2150A · Winterset, IAThe inadequate supervision by the certified flight instructor, fuel starvation, visual/aural detection precluded by the certified flight instructor's seat position, and the inadequate crew coordination of both pilots during the instructional flight. A…Jul 17, 2004 · N8422J · Substantial damageNTSB CHI04LA085Accident · Minor injuriesLimited investigationFinal reportCessna 172R · Dubuque, IAThe flight instructor's inadequate in-flight planning/decision which resulted in ice accretion on the airframe, and his failure to maintain adequate airspeed resulting in a stall. Contributing factors were the ice contamination, the aircraft's low altitude…Mar 9, 2004 · N105FS · Substantial damageNTSB CHI02LA240Accident · No injuriesLimited investigationFinal reportCessna 150H · Dyersville, IAThe pilot's inadequate in-flight planning/decision which resulted in fuel exhaustion and subsequent loss of engine power. A related factor was the bean field.Aug 6, 2002 · N6995S · Substantial damageNTSB CHI02LA102Accident · Minor injuriesLimited investigationFinal reportCessna 172P · Council Bluffs, IAThe student pilot's failure to maintain control of the airplane and the subsequent inadvertent stall. A factor associated with the accident was the student's lack of total experience.Apr 9, 2002 · N53066 · Substantial damageNTSB CHI02LA075Accident · No injuriesLimited investigationFinal reportPiper PA-42-720 · Ames, IAThe pilot's failure to maintain the proper glide path during the final portion of the approach. Factors relating to this accident were the low altitude and the utility pole.Jan 31, 2002 · N66MT · Substantial damageNTSB CHI02FA009Accident · 1 fatalField investigationFinal reportBeech 58 · Dubuque, IAThe pilot continued flight into known adverse weather and disregarded the minimum descent altitude. Additional factors were the conditions conducive to pilot fatigue, fog, and night.Oct 23, 2001 · N7235R · DestroyedNTSB CHI01LA303Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Sheldon, IAthe in-flight planning/decision and proper touchdown point not attained by the pilot. Contributing factors were the ingested exhaust valve and lack of experience of the pilot.Sep 1, 2001 · N5593E · Substantial damageNTSB CHI01FA026Accident · 1 fatalField investigationFinal reportLuscombe 8A · Des Moines, IAThe pilot not maintaining aircraft control during the final turn, and the pilot's improper decision to fly the tight pattern to the closer runway. Factors relating to the accident were the pilot's inadequate distance/altitude in the traffic pattern and the…Nov 3, 2000 · N71134 · DestroyedNTSB CHI01LA022Accident · Minor injuriesLimited investigationFinal reportBollinger BD-4 · Hedrick, IAthe pilot not obtaining/maintaining clearance from the fence. A factors was fence.Oct 21, 2000 · N108BC · Substantial damageNTSB CHI00LA281Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Blakesburg, IAThe pilot failed to add full power during a go around which resulted in descreased airspeed and a subsequent stall. A factor associated with the accident was the airplane stopped on the edge of the airstrip.Sep 1, 2000 · N82748 · Substantial damage