NTSB investigations, IA
180,582 investigations by the National Transportation Safety Board since 1962: 174,566 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.
Cases per year
| 1962 | 2 |
|---|---|
| 1963 | 2 |
| 1964 | 72 |
| 1965 | 74 |
| 1966 | 108 |
| 1967 | 129 |
| 1968 | 87 |
| 1969 | 98 |
| 1970 | 101 |
| 1971 | 105 |
| 1972 | 76 |
| 1973 | 53 |
| 1974 | 60 |
| 1975 | 49 |
| 1976 | 55 |
| 1977 | 57 |
| 1978 | 65 |
| 1979 | 51 |
| 1980 | 41 |
| 1981 | 60 |
| 1982 | 52 |
| 1983 | 53 |
| 1984 | 39 |
| 1985 | 35 |
| 1986 | 26 |
| 1987 | 30 |
| 1988 | 27 |
| 1989 | 24 |
| 1990 | 24 |
| 1991 | 23 |
| 1992 | 23 |
| 1993 | 22 |
| 1994 | 16 |
| 1995 | 12 |
| 1996 | 15 |
| 1997 | 22 |
| 1998 | 20 |
| 1999 | 18 |
| 2000 | 11 |
| 2001 | 7 |
| 2002 | 14 |
| 2003 | 20 |
| 2004 | 13 |
| 2005 | 13 |
| 2006 | 8 |
| 2007 | 17 |
| 2008 | 18 |
| 2009 | 17 |
| 2010 | 27 |
| 2011 | 23 |
| 2012 | 21 |
| 2013 | 15 |
| 2014 | 9 |
| 2015 | 13 |
| 2016 | 13 |
| 2017 | 16 |
| 2018 | 12 |
| 2019 | 9 |
| 2020 | 12 |
| 2021 | 16 |
| 2022 | 14 |
| 2023 | 17 |
| 2024 | 7 |
| 2025 | 13 |
| 2026 | 14 |
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 c.\"eventStateOrRegion\" = 'IA' AND c.\"eventCountry\" = 'USA' 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 c."eventStateOrRegion" = 'IA' AND c."eventCountry" = 'USA' 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 CEN27LA019Accident · Minor injuriesClass 3 · LimitedInvestigation openPiper PA-28-235 · Cedar Rapids, IANTSB CEN26LA309Accident · No injuriesClass 4 · LimitedInvestigation openMooney M20E · West Branch, IANTSB WPR26LA317Accident · No injuriesClass 4 · LimitedInvestigation openBoeing A75N1(PT17) · Cedar Rapids, IANTSB ANC26LA082Accident · Minor injuriesClass 4 · LimitedInvestigation openRobinson Helicopter R44 · Macedonia, IANTSB CEN26LA276Accident · No injuriesClass 3 · LimitedPreliminary reportRobinson Helicopter R44 II · Bennett, IAOn August 2, 2026, about 1318 central daylight time, a Robinson Helicopter Company R44 II helicopter, N26KL, was substantially damaged when it was involved in an accident near Bennett, Iowa. The pilot was not injured. The helicopter was operated as a Title 14…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.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…NTSB CEN26FA267Accident · 1 fatalClass 3 · FieldPreliminary reportZenith Zodiak 601 HDS · Sioux City, IAOn July 24, 2026, about 1422 central daylight time, a Zenith Zodiac 601HDS experimental airplane, N27601, was destroyed when it was involved in an accident near Sioux City, Iowa. The pilot was fatally injured. The airplane was operated as a Title 14 Code of…NTSB CEN26LA260Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Emerson, IAThe failure of the pilot to verify the loading hose had been disconnected before taking off and the failure of the loader to disconnect the fuel hose from the helicopter.NTSB 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…NTSB 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.NTSB CEN26LA154Accident · No injuriesClass 4 · LimitedFinal reportEnstrom F-28F · Oelwein, IAThe pilot's failure to maintain directional control during the hover taxi with a quartering tailwind.NTSB CEN26LA113Accident · No injuriesClass 4 · LimitedFinal reportCostruzioni Aeronautiche Tecna P-MENTOR · Des Moines, IAThe solo student pilot’s improper landing flare and subsequent improper recovery from a bounced landing, which resulted in a loss of directional control and a runway excursion.NTSB CEN26LA100Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA 46-350P · Sioux City, IAOn January 24, 2026, about 0712 central daylight time, a Piper PA-46-350P airplane, N91MK, was substantially damaged when it was involved in an accident near Sioux City, Iowa. The pilot and passenger were uninjured. The airplane was operated as a Title 14…NTSB CEN26LA045Accident · No injuriesClass 3 · LimitedPreliminary reportCessna TU206F · Muscatine, IAOn November 12, 2025, about 14:10 central standard time, a Cessna TU206F, N37EW, and a Hawker Beechcraft Corp B300, N545KA, were substantially damaged when they were involved in an accident at Muscatine Regional Airport (MUT), Muscatine, Iowa. The pilot and…NTSB ANC26LA020Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 182Q · Mapleton, IAOn October 29, 2025, at about 1200 Central daylight time, a Cessna 182Q, N735ZD, was substantially damaged when it was involved in an accident near Mapleton, Iowa. The pilot and three passengers were not injured. The airplane was operated as a Title 14 Code…NTSB CEN26LA009Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 182RG · Cottonville, IAOn October 3, 2025, about 1720 central daylight time, a Cessna 182RG airplane, N4609S, was substantially damaged when it was involved in an accident near Cottonville, Iowa. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…NTSB CEN26LA003Accident · No injuriesClass 4 · LimitedFinal reportQuartz Mountain Aerospace 11E · Earlham, IAThe flight instructor’s inadequate fuel management which resulted in the total loss of engine power due to fuel exhaustion.NTSB CEN25LA351Accident · No injuriesClass 4 · LimitedFinal reportCirrus Design SR22 · Nora Springs, IAThe pilot’s improper decision-making for the attempted landing, which resulted in a runway overrun due to inadequate runway landing distance with a quartering tailwind. Contributing to the accident was the wet condition of the runway.NTSB CEN25LA406Accident · No injuriesClass 4 · LimitedFinal reportAyres S2R-T34 · Beaman, IAThe pilot’s failure to maintain a proper glidepath during landing which resulted in a landing short of the runway.NTSB CEN25LA316Accident · Serious injuriesClass 4 · LimitedFinal reportXag P100 PRO · Depew, IAThe pilot’s failure to maintain clearance from the unmanned aircraft system during takeoff.NTSB ANC25FA086Accident · 1 fatalClass 3 · FieldPreliminary reportNorth American T-28B · Monticello, IAOn August 11, 2025, about 1505 Central daylight time, a North American T-28B airplane, N28XT, was substantially damaged when it was involved in an accident near Monticello, Iowa. The pilot was fatally injured. The airplane was operated as a Title 14 Code of…NTSB CEN25LA303Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-400A · Lamoni, IAThe pilot’s failure to maintain airplane control during an aborted takeoff.NTSB 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…NTSB 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.NTSB 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…NTSB 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.NTSB CEN25LA066Accident · No injuriesClass 4 · LimitedFinal reportDiamond Aircraft Ind DA 40 NG · Monticello, IAThe on-ground collision with a deer on the runway during the landing roll.NTSB 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.NTSB CEN24LA303Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Bryant, IAA loss of engine power during takeoff for reasons that could not be determined, resulting in impact with terrain.NTSB 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…NTSB CEN24LA183Accident · Serious injuriesClass 4 · LimitedFinal reportVans RV9 · Linn Grove, IAThe pilot’s mismanagement of the airplane’s approach resulting in a collision with terrain.NTSB CEN24LA154Accident · No injuriesClass 4 · LimitedFinal reportDehavilland Tiger Moth DH 82A · Council Bluffs, IAThe pilot's failure to maintain directional control during the takeoff with a direct gusting crosswind.NTSB CEN24LA123Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 172 · Clarion, IAThe pilot’s failure to maintain directional control during the landing flare in a crosswind with gusts.NTSB 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.NTSB CEN24LA054Accident · No injuriesClass 4 · LimitedFinal reportCessna 560XL · Council Bluffs, IAAn in-flight collision with a bird during decent.NTSB CEN24LA011Accident · No injuriesClass 3 · LimitedFinal reportCirrus SR22 · Red Oak, IAThe fatigue failure of the exhaust valve due to excessive combustion deposits, which resulted in a partial loss of engine power. Contributing to the accident was the pilot’s failure to ensure that the required scheduled maintenance was completed.NTSB CEN23LA396Accident · No injuriesClass 4 · LimitedFinal reportCessna 172G · Neola, IAThe pilot’s inadequate fuel planning and improper in-flight decision-making, which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN23LA428Accident · No injuriesClass 4 · LimitedFinal reportBellanca 17-31A · Maurice, IAThe pilot’s failure to maintain directional control during the landing.NTSB CEN23LA342Accident · 1 fatalClass 4 · LimitedFinal reportBell 206B · Denison, IAThe pilot’s inflight distraction, which resulted in his failure to see and avoid wires.NTSB 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.NTSB CEN23LA328Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Hanlontown, IAThe pilot’s failure to maintain clearance from a cable during spray operations.NTSB CEN23LA326Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Charles City, IAThe pilot’s improper preflight of the helicopter to ensure that it was within the loading and performance limitations that resulted in settling and impact with terrain during initial climb.NTSB CEN23LA273Accident · No injuriesClass 3 · LimitedFinal reportBerkut 540 · Cedar Rapids, IAA partial loss of engine power during the test flight due to multiple ignition system anomalies.NTSB CEN23LA251Accident · No injuriesClass 4 · LimitedFinal reportCessna 180 · Osceola, IAThe pilot’s failure to maintain directional control of the tailwheel equipped airplane during a crosswind landing.NTSB ENG23LA030Incident · No injuriesClass 3 · LimitedFinal reportGulfstream Aerospace G-IV · Sioux City, IAA No. 2 (right) engine failure due to a spinner fairing separation and subsequent impact with the fan blades that resulted in a midspan fracture of one fan blade. The spinner fairing separated as a result of a fatigue crack that originated from the heat…NTSB 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.NTSB CEN23LA205Accident · Serious injuriesClass 3 · LimitedFinal reportBellanca 8KCAB · Larchwood, IAThe pilot’s failure to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack during initial climb after takeoff, which resulted in an aerodynamic stall and impact with the ground.NTSB CEN23LA192Accident · No injuriesClass 4 · LimitedFinal reportNorth American-Buehn T-6G · Ankeny, IAThe pilot’s inadvertent retraction of the landing gear control lever, resulting in a gear-up landing on the runway.NTSB CEN23LA163Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 150J · Buffalo, IAA loss of engine power due to fuel exhaustion as a result of the pilot’s inadequate preflight planning. Contributing to the accident were the unreliable fuel quantity gauges and the improperly adjusted mixture control, which increased the fuel consumption…