NTSB investigations, 1999, NH
180,610 investigations by the National Transportation Safety Board since 1962: 174,589 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
| 1964 | 14 |
|---|---|
| 1965 | 20 |
| 1966 | 18 |
| 1967 | 26 |
| 1968 | 21 |
| 1969 | 18 |
| 1970 | 7 |
| 1971 | 18 |
| 1972 | 27 |
| 1973 | 27 |
| 1974 | 17 |
| 1975 | 18 |
| 1976 | 9 |
| 1977 | 21 |
| 1978 | 20 |
| 1979 | 14 |
| 1980 | 20 |
| 1981 | 5 |
| 1982 | 18 |
| 1983 | 19 |
| 1984 | 16 |
| 1985 | 12 |
| 1986 | 18 |
| 1987 | 18 |
| 1988 | 16 |
| 1989 | 6 |
| 1990 | 9 |
| 1991 | 15 |
| 1992 | 9 |
| 1993 | 13 |
| 1994 | 13 |
| 1995 | 6 |
| 1996 | 11 |
| 1997 | 9 |
| 1998 | 7 |
| 1999 | 6 |
| 2000 | 11 |
| 2001 | 11 |
| 2002 | 3 |
| 2003 | 4 |
| 2004 | 8 |
| 2005 | 12 |
| 2006 | 5 |
| 2007 | 9 |
| 2008 | 6 |
| 2009 | 4 |
| 2010 | 4 |
| 2011 | 5 |
| 2012 | 4 |
| 2013 | 6 |
| 2014 | 6 |
| 2015 | 6 |
| 2016 | 13 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 7 |
| 2026 | 6 |
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\" = 'NH' 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" = 'NH' 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 NYC00LA022Accident · 1 fatalLimited investigationFinal reportGodbout Exec 162F · Milan, NHThe pilot's failure to maintain proper rotor rpm while maneuvering, which resulted in main rotor blade flapping, and its subsequent impact with the tail boom. A factor was the pilot's lack of experience in maneuvering flight.NTSB NYC00LA002Accident · Minor injuriesLimited investigationFinal reportCessna 172 · Wolfeboro, NHA total loss of engine power for undetermined reasons.NTSB NYC99LA200Accident · Minor injuriesLimited investigationFinal reportCessna 208 · Hillsborough, NHan inadequate auxiliary fuel tank installation which resulted in a leak of undetermined origin.NTSB NYC99LA132Accident · No injuriesLimited investigationFinal reportRobinson R-22B · Jaffrey, NHThe pilot's failure to maintain sufficient rotor rpm. A factor in this accident was the crosswind condition.NTSB NYC99LA068Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-140 · Wolfeboro, NHThe pilot's failure to attain a proper touchdown point. A factor in the accident was the pilot's failure to use a preflight briefing service, resulting in an in flight encounter with snow, and subsequent precautionary landing.NTSB IAD99FA025Accident · 1 fatalField investigationFinal reportLake LA-4-250 · Laconia, NHA loss of engine power during initial climb due to oil starvation. Contributing to the accident was the failure to perform an engine overhaul.