NTSB investigations, 1999, IA
180,611 investigations by the National Transportation Safety Board since 1962: 174,590 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 | 15 |
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\") = 1999
AND 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 year(c."eventDate") = 1999 AND 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 CHI00LA052Accident · Serious injuriesLimited investigationFinal reportCessna T210F · Indianola, IAloss of engine power for undetermined reason. A factor relating to this accident was the tree.NTSB CHI00LA017Accident · No injuriesLimited investigationFinal reportCessna 172 · Waukon, IAthe pilot failed to maintain directional control of the airplane during the aborted landing. Factors relating to the accident included the crosswinds, the fence, and the trees.NTSB CHI00LA014Accident · 1 fatalLimited investigationFinal reportHowlett KR-2 · Denison, IAthe pilot not maintaining altitude/clearance from rising terrain and the intentional low altitude flight. Factors were the known turbulence, rising terrain, and the inadequate in-flight decision to fly at low altitudes.NTSB CHI99FA356Accident · 1 fatalField investigationFinal reportPiper PA-28-140 · Clinton, IAthe pilot's continued flight into known adverse weather conditions and not maintaining altitude/clearance. Factors were the low clouds, rain, and dark night conditions.NTSB CHI99LA348Accident · No injuriesLimited investigationFinal reportCessna 172N · Des Moines, IAthe pilot's improper in-flight planning and decisions which led to fuel exhaustion. A factor relating to this accident was the telephone pole.NTSB CHI99LA281Accident · No injuriesLimited investigationFinal reportCessna 150M · Perry, IAthe student pilot's inadequate compensation for the wind conditions which resulted in her failure to maintain control of the airplane. A factor associated with the accident was the gusty crosswind condition.NTSB CHI99FA284Accident · 1 fatalField investigationFinal reportBellanca 7GCAA · Titonka, IAThe low altitude maneuver attempted and altitude/clearance not being maintained by the pilot, which resulted in an impact with a pine tree. A factor to the accident was the pine tree.NTSB CHI99LA274Accident · No injuriesLimited investigationFinal reportNorth American AT-6G · Harlan, IAthe failure of the pilot to maintain directional control of the aircraft during landing. Factors to the accident were the crosswind, the failure of the pilot to maintain compensation for the crosswind condition on approach, and the inadvertent ground loop…NTSB CHI99LA247Accident · Minor injuriesLimited investigationFinal reportRyan Navion A · Keokuk, IALoss of engine power for undetermined reasons.NTSB CHI99LA237Accident · No injuriesLimited investigationFinal reportCessna 172L · Montezuma, IAthe pilot inadvertently landed on the wrong runway and exceeded the proper touchdown point on the runway. Factors associated with the accident were the gusty tailwind, the fence, and the ditch.NTSB CHI99LA207Accident · No injuriesLimited investigationFinal reportPiper J-3C · Independence, IAThe insufficient information from the weather forecast resulting in an in-flight encounter with turbulence/gusts and the subsequent precautionary landing. Contributing factors were the gusty/turbulent conditions and the terrain condition (crop).NTSB CHI99LA187Accident · Minor injuriesLimited investigationFinal reportGrumman AA-5KB · Iowa City, IAthe pilot stalled the airplane. Factors included the instructor pilot's inadequate preflight briefing and improper in flight decision.NTSB CHI99LA179Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Traer, IAThe pilot's not maintaining proper runway alignment during the aborted takeoff, and the airport personnel not maintaining the runway. Factors were rough terrain and a dirt bank.NTSB CHI99LA150Accident · No injuriesLimited investigationFinal reportBeech A-36 · Buffalo Center, IAThe pilot not attaining a proper touchdown point and not performing a go around. Factors were the wet grass and the tailwin.NTSB CHI99FA147Accident · 1 fatalField investigationFinal reportTaylorcraft BC-12D · Newton, IAthe failure of the pilot to maintain flying speed resulting in a stall and spin into the ground.NTSB CHI99IA136Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas DC-9-32 · Dubuque, IAthe frozen elevator control. Factors to the incident were the rain and the low temperature.NTSB CHI99LA119Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Ankeny, IAThe student pilot's failure to maintain directional control during landing.NTSB CHI99LA114Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Waterloo, IAthe pilot's failure to maintain directional control.