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NTSB investigations, IA

284 cases where the phase of flight was Maneuvering.

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 = 450)
  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 CEN26LA274Accident · No injuriesClass 4 · LimitedFinal reportCessna A188B · Algona, IAThe pilot’s failure to maintain control during a turn, which resulted in an aerodynamic stall.Jul 29, 2026 · N731CQ · Substantial damageNTSB CEN26LA259Accident · No injuriesClass 3 · LimitedPreliminary reportRobinson Helicopter R44 · Adair, IAOn July 18, 2026, about 1440 central daylight time, a Robinson Helicopter Company R44, N484AT, was substantially damaged when it was involved in an accident near Adair, Iowa. The pilot was not injured. The helicopter was operated as a Title 14 Code of Federal…Jul 18, 2026 · N484AT · Substantial damageNTSB CEN26LA256Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Coralville, IAThe pilot’s failure to maintain clearance from a power line during a low-level aerial application flight.Jul 16, 2026 · N322TC · Substantial damageNTSB CEN25LA297Accident · Serious injuriesClass 3 · LimitedPreliminary reportAyres S2R · Akron, IAOn July 28, 2025, about 1537 central daylight time, an Ayres Corporation S2R-T34 airplane, N524SL, sustained substantial damage when it was involved in an accident near Akron, Iowa. The pilot sustained serious injuries. The airplane was operated as a Title 14…Jul 28, 2025 · N524SL · Substantial damageNTSB CEN25LA285Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-802A · Walcott, IAThe pilot’s failure to maintain clearance from the crops during an aerial application flight.Jul 23, 2025 · N802BF · Substantial damageNTSB CEN25LA277Accident · No injuriesClass 3 · LimitedPreliminary reportRobinson Helicopter R66 · Maynard, IAOn July 22, 2025, about 1400 central daylight time, a Robinson Helicopter Company R66 helicopter, N88911, was substantially damaged when it was involved in an accident near Maynard, Iowa. The pilot was uninjured. The helicopter was operated under Title 14…Jul 22, 2025 · N88911 · Substantial damageNTSB CEN24FA287Accident · 1 fatalClass 3 · FieldPreliminary reportBell 206 · Nashua, IAOn July 29, 2024 about 1330 central standard time, a Bell 206-B3 Helicopter, N94XA, was destroyed when it was involved in an accident near Nashua, Iowa. The pilot was fatally injured. The helicopter was operated as a Title 14 Code of Federal Regulations Part…Jul 29, 2024 · N94XA · Substantial damageNTSB CEN23LA342Accident · 1 fatalClass 4 · LimitedFinal reportBell 206B · Denison, IAThe pilot’s inflight distraction, which resulted in his failure to see and avoid wires.Jul 30, 2023 · N231RL · Substantial damageNTSB CEN23LA336Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-402B · Alta, IAThe airplane’s encounter with a dust devil, which resulted in a loss of lift, and subsequent collision with powerlines.Jul 29, 2023 · N402PR · Substantial damageNTSB CEN23LA328Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Hanlontown, IAThe pilot’s failure to maintain clearance from a cable during spray operations.Jul 26, 2023 · N467HA · Substantial damageNTSB CEN23LA009Accident · Minor injuriesClass 4 · LimitedFinal reportYates Mike E Roaring Eagle · Stanwood, IAThe pilot’s exceedance of the airplane’s critical angle of attack in the traffic pattern, which resulted in an aerodynamic stall and loss of airplane control at too low of an altitude to recover. Contributing to the accident was the partial loss of engine…Oct 9, 2022 · N181MY · Substantial damageNTSB CEN22LA366Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Maynard, IAAn impact with a powerline as a result of an unexpected wind gust.Aug 5, 2022 · N619RB · Substantial damageNTSB CEN22LA354Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-301 · Lamoni, IAA loss of airplane performance for reasons that could not be determined.Aug 1, 2022 · N4326S · DestroyedNTSB CEN22LA351Accident · Minor injuriesClass 3 · LimitedFinal reportBell Helicopter Textron 206B · Arcadia, IAMaintenance personnel’s failure to properly torque a fuel control unit B-nut, which resulted in a loss of engine power at low altitude and an impact with terrain.Aug 1, 2022 · N169AA · Substantial damageNTSB CEN22LA356Accident · Serious injuriesClass 4 · LimitedFinal reportArbc Inc DBA Lindstrand 150A · Indianola, IAThe pilot’s failure to maintain clearance from power lines during low-level maneuvering.Jul 30, 2022 · N316EB · Minor damageNTSB CEN22FA347Accident · 1 fatalClass 3 · FieldFinal reportAir Tractor AT502 · Ute, IAThe pilot’s inflight collision with a power line during aerial application.Jul 30, 2022 · N501MW · DestroyedNTSB CEN22LA371Accident · No injuriesClass 4 · LimitedFinal reportAyres S2R-T65 · Wyman / Washington, IAThe pilot not maintaining sufficient altitude to clear an obstruction during the aerial application flight.Jul 21, 2022 · N9899 · Substantial damageNTSB CEN22LA146Accident · Minor injuriesClass 3 · LimitedFinal reportHughes 369 · Adair, IAThe mechanic’s failure to properly torque a fuel control unit B-nut, which resulted in a partial loss of engine power, an attempted autorotation, and an impact with terrain.Mar 17, 2022 · N500MZ · Substantial damageNTSB CEN21LA350Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Waukon, IAThe pilot’s failure to maintain adequate clearance from a powerline during an agricultural application pass.Aug 4, 2021 · N775AK · Substantial damageNTSB CEN21LA339Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · West Liberty, IAThe pilot’s failure to see and avoid a wire while maneuvering at low altitude during an aerial application flight, resulting in a collision with the wire.Jul 20, 2021 · N983HA · Substantial damageNTSB CEN21LA319Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-401 · Carroll, IAThe wear-related failure of the airframe fuel boost pump, which resulted in fuel starvation and a loss of engine power.Jul 13, 2021 · N7315P · Substantial damageNTSB CEN21LA313Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT802 · Newell, IAThe pilot’s failure to maintain adequate clearance from crops during an agricultural flight.Jul 11, 2021 · N949TM · Substantial damageNTSB CEN20LA330Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson R44 · Logan, IAThe failure of the lower actuator bearing support brackets, which resulted in the misalignment of the clutch actuator, a loss of belt tension on the main rotor drive system, and a subsequent forced landing.Aug 8, 2020 · N89LA · Substantial damageNTSB CEN20LA294Accident · No injuriesClass 3 · LimitedFinal reportRockwell S2R · Harlan, IAThe fatigue fracture of the upper rudder hinge that resulted in a partial separation of the rudder from the airplane during a spray pass.Jul 20, 2020 · N1662S · Substantial damageNTSB CEN20LA136Accident · 2 fatalClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Audubon, IAThe pilot’s failure to recognize and avoid the power line during the low-altitude flight. Contributing to the accident was the pilot’s fatigue, which affected the pilot’s ability to see and avoid the power line.Mar 31, 2020 · N107EH · DestroyedNTSB CEN19FA259Accident · 1 fatalClass 3 · FieldFinal reportAir Tractor AT502 · Sumner, IAThe pilot’s impairment by medical conditions and/or medications, which resulted in the airplane’s impact with power lines and terrain.Aug 8, 2019 · N6113C · DestroyedNTSB CEN19LA230Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson R44 · Ida Grove, IAA total loss of engine power during an aerial application flight for undetermined reasons.Jul 21, 2019 · N459TA · Substantial damageNTSB GAA19CA173Accident · Minor injuriesData collectionFinal reportPereira Osprey · Independence, IAThe pilot's improper fuel planning, which resulted in fuel exhaustion and a total loss of engine power.Mar 15, 2019 · N822GC · Substantial damageNTSB GAA18CA453Accident · Minor injuriesData collectionFinal reportRobinson R44 · Elma, IAThe pilot's failure maintain clearance from power lines during an agricultural application flight.Jul 27, 2018 · N466EL · Substantial damageNTSB CEN18FA060Accident · 1 fatalField investigationFinal reportX-Air XA85 · Oskaloosa, IAThe pilot's low altitude flight into a power line due to his impairment from an acute physiologic event during the flight. Contributing to the pilot's impairment was his use of two sedating medications.Dec 23, 2017 · N20XA · Substantial damageNTSB CEN18LA025Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 · Larchwood, IAThe pilot's loss of situational awareness, which resulted in his failure to maintain adequate clearance from powerlines.Nov 6, 2017 · N7085M · Substantial damageNTSB GAA17CA436Accident · No injuriesData collectionFinal reportBell 47G 3B · Toterville, IAThe pilot’s failure to maintain rotor rpm while maneuvering at low altitude with low airspeed and a tailwind.Jul 24, 2017 · N47AH · Substantial damageNTSB CEN17CA346Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · Logan, IAThe pilot’s failure to maintain clearance from a wire during an agricultural application flight.Jul 20, 2017 · N192E · Substantial damageNTSB CEN17FA147Accident · 2 fatalField investigationFinal reportPiper PA-28-180 · Oxford, IAThe failure of the pilot receiving instruction to recover from the practice stall before the airplane entered a spin and the flight instructor's inadequate monitoring of the pilot receiving instruction and delayed remedial action to recover the airplane.Apr 7, 2017 · N9179J · DestroyedNTSB CEN16LA292Accident · 1 fatalLimited investigationFinal reportAir Tractor AT 402 · Sac City, IAThe pilot's failure to maintain adequate clearance from power lines. Contributing to the accident was the pilot's failure to circle over the field to identify hazards before beginning the aerial application.Jul 29, 2016 · N1016G · DestroyedNTSB GAA16CA393Accident · No injuriesData collectionFinal reportCessna 188 · What Cheer, IAThe loss of engine power for undetermined reasons due to the pilot not making the airplane or engine available for examination, which resulted in a forced landing and an impact with terrain.Jul 25, 2016 · N9979G · Substantial damageNTSB CEN16LA289Accident · Minor injuriesLimited investigationFinal reportBell OH 58A · Lake Mills, IAThe pilot's inadequate visual lookout, which resulted in a wire strike.Jul 22, 2016 · N288NS · Substantial damageNTSB CEN15LA412Accident · Minor injuriesLimited investigationFinal reportGuisinger Gary G Baby Belle · Stuart, IAThe failure of the tail rotor driveshaft for reasons that could not be determined due to the mechanically and thermally deformed fracture surface.Sep 12, 2015 · N135PA · Substantial damageNTSB CEN15LA370Accident · No injuriesLimited investigationFinal reportBell 206B · Cresco, IAThe loss of engine power due to the high-cycle fatigue failure of the third-stage turbine wheel.Aug 18, 2015 · N5743W · Substantial damageNTSB CEN15LA377Accident · No injuriesLimited investigationFinal reportGrumman G 164B · Sac City, IAThe loss of engine power for reasons that could not be determined based on the available information.Aug 12, 2015 · N311AL · Substantial damageNTSB CEN15LA344Accident · 1 fatalLimited investigationFinal reportErickson Larry D RAF 2000 GT · Humboldt, IAThe pilot’s loss of gyroplane control while maneuvering at low altitude.Aug 9, 2015 · N315LK · Substantial damageNTSB CEN14LA487Accident · 1 fatalLimited investigationFinal reportRobinson Helicopter R44 II · Macedonia, IAThe pilot’s inadequate visual lookout, which resulted in a collision with a static line.Sep 6, 2014 · N699TQ · Substantial damageNTSB CEN14LA472Accident · No injuriesLimited investigationFinal reportOhlgren Brent E RV-6A · Marshalltown, IAA loss of engine power due to fuel exhaustion as a result of the pilot's misjudgment of the amount of fuel onboard prior to flight.Sep 1, 2014 · N419B · Substantial damageNTSB CEN14LA281Accident · Serious injuriesLimited investigationFinal reportOffchiss Edward R Avid Flyer · Lamoni, IAThe student pilot’s failure to maintain control of the airplane while landing.Jun 6, 2014 · N111ED · Substantial damageNTSB CEN13LA533Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Atlantic, IAThe pilot’s delay in releasing product to reduce the airplane’s weight and improve its climb performance, which was reduced because of the high density altitude.Sep 6, 2013 · N7843 · DestroyedNTSB CEN13LA484Accident · No injuriesLimited investigationFinal reportRockwell International S-2R · Larchwood, IAA complete loss of engine power during an agricultural application flight for reasons that could not be determined because postaccident examinations did not reveal any anomalies that would have precluded normal operation.Aug 12, 2013 · N5610X · Substantial damageNTSB CEN13FA082Accident · 2 fatalField investigationFinal reportBeech P35 · Correctionville, IAThe pilot’s failure to perform a go-around after encountering thick fog at night.Dec 2, 2012 · N1566Z · Substantial damageNTSB CEN12LA602Accident · 1 fatalLimited investigationFinal reportAero Vodochody L39C · Davenport, IAThe loss of airplane control for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded operation.Sep 1, 2012 · N139GS · DestroyedNTSB CEN12LA453Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-402B · Britt, IAThe pilot’s failure to maintain clearance from power transmission lines during an agricultural application operation. Contributing to the accident was the pilot’s distracted attention due to personal cell phone use during flight operations.Jul 17, 2012 · N4843J · Substantial damageNTSB CEN12CA435Accident · No injuriesData collectionFinal reportBell 47G-3B-2 · Treynor, IAThe pilot’s improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.Jul 9, 2012 · N2919W · Substantial damage