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NTSB investigations, 1977, WY

180,630 investigations by the National Transportation Safety Board since 1962: 174,609 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19642026

NTSB investigations, 1977, WY per year, 1964–2026: 1,568 cases
1964	47
1965	52
1966	50
1967	55
1968	47
1969	53
1970	42
1971	34
1972	38
1973	45
1974	37
1975	42
1976	38
1977	48
1978	45
1979	34
1980	43
1981	40
1982	47
1983	44
1984	32
1985	20
1986	31
1987	16
1988	22
1989	14
1990	18
1991	21
1992	18
1993	24
1994	24
1995	15
1996	16
1997	12
1998	21
1999	21
2000	20
2001	17
2002	16
2003	19
2004	16
2005	17
2006	13
2007	13
2008	18
2009	4
2010	9
2011	26
2012	18
2013	15
2014	11
2015	14
2016	10
2017	11
2018	13
2019	11
2020	9
2021	5
2022	13
2023	6
2024	16
2025	9
2026	13

Where

Latest cases

Query with SQL

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") = 1977 AND c."eventStateOrRegion" = 'WY' AND c."eventCountry" = 'USA' ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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\") = 1977
    AND c.\"eventStateOrRegion\" = 'WY' 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") = 1977
  AND c."eventStateOrRegion" = 'WY' 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 DEN78FTC09Accident · No injuriesClosedCessna 150K · Gillette, WYDec 14, 1977 · N5844G · Substantial damage NTSB DEN78DTC08Accident · No injuriesClosedCessna T210L · Thayne, WYDec 6, 1977 · N4660Q · Substantial damage NTSB DEN78FTC07Accident · No injuriesClosedCessna 185 · Casper, WYNov 29, 1977 · N9943X · Substantial damage NTSB DEN78DTC06Accident · No injuriesClosedCessna 172 · Pinedale, WYNov 28, 1977 · N13604 · Substantial damage NTSB DEN78DTC05Accident · No injuriesClosedHughes 269A · Rawlins, WYNov 25, 1977 · N8891F · Substantial damage NTSB DEN78FTC04Accident · No injuriesClosedBellanca 17-31 · Lander, WYNov 8, 1977 · N1285R · Substantial damage NTSB DEN78FA006Accident · 2 fatalClosedCessna 182P · Kemmerer, WYNov 7, 1977 · N7368S · Destroyed NTSB DEN78FTC03Accident · No injuriesClosedPiper PA-28 · Gillette, WYOct 22, 1977 · N40439 · Substantial damage NTSB DEN78FTC02Accident · No injuriesClosedPiper PA-22 · Casper, WYOct 20, 1977 · N3804D · Substantial damage NTSB DEN78DTC01Accident · No injuriesClosedCessna 185 · Hiland, WYOct 8, 1977 · N58047 · Substantial damage NTSB DEN78FA003Accident · 2 fatalClosedMooney M20C · Sheridan, WYOct 4, 1977 · N5581Q · Destroyed NTSB DEN77FTC32Accident · Serious injuriesClosedPiper PA-18 · Weston, WYSep 28, 1977 · N1955P · Substantial damage NTSB DEN77FA060Accident · 2 fatalClosedBellanca 7GCBC · Tensleep, WYSep 27, 1977 · N8363V · Substantial damage NTSB DEN77FTC31Accident · No injuriesClosedCessna 150M · Cheyenne, WYSep 23, 1977 · N704CY · Substantial damage NTSB DEN77FTC30Accident · No injuriesClosedCessna 150 · Bill, WYSep 17, 1977 · N19258 · Substantial damage NTSB DEN77IA057Incident · No injuriesClosedBeech 95-B55 · Cheyenne, WYSep 14, 1977 · N1899W · Minor damage NTSB DEN77DTC29Accident · Minor injuriesClosedCessna 140 · Cody, WYSep 12, 1977 · N89879 · Substantial damage NTSB SEA77DYA35Accident · No injuriesClosedHughes 369D · Etna, WYSep 11, 1977 · N8396F · Substantial damage NTSB DEN77DTC28Accident · No injuriesClosedCessna T210L · Keyhole, WYSep 10, 1977 · N1721X · Substantial damage NTSB DEN77FTC27Accident · Minor injuriesClosedPiper PA-28 · Greybull, WYSep 4, 1977 · N41624 · Substantial damage NTSB DEN77FTC25Accident · Minor injuriesClosedCessna 150 · Meeteetse, WYAug 14, 1977 · N63518 · Substantial damage NTSB DEN77FTC23Accident · Minor injuriesClosedPiper PA16 · Douglas, WYAug 4, 1977 · N5639H · Substantial damage NTSB DEN77FTC26Accident · No injuriesClosedLuscombe 8A · Gillette, WYJul 31, 1977 · N71796 · Substantial damage NTSB DEN77DTC21Accident · Minor injuriesClosedAerospatial SA315B · Wilson, WYJul 31, 1977 · N6390 · Substantial damage NTSB DEN77DTC22Accident · No injuriesClosedPiper PA-22 · Hulett, WYJul 30, 1977 · N5849D · Substantial damage NTSB DEN77FTC19Accident · 2 fatalClosedDouglas DC-3A · Sheridan, WYJul 18, 1977 · N459 · Destroyed NTSB DEN77FTC20Accident · No injuriesClosedCessna T210M · Cody, WYJul 15, 1977 · N6711M · Substantial damage NTSB DEN77FTC18Accident · 1 fatalClosedLuscombe 8A · Walcott, WYJul 3, 1977 · N71257 · Destroyed NTSB DEN77FTC17Accident · No injuriesClosedCessna 210 · Cheyenne, WYJun 29, 1977 · N22132 · Substantial damage NTSB DEN77FTC16Accident · No injuriesClosedLockheed B-34 · Torrington, WYJun 24, 1977 · N7256C · Substantial damage NTSB DEN77FTC15Accident · Serious injuriesClosedAerospatial SA315B · Jackson, WYJun 22, 1977 · N62345 · Destroyed NTSB DEN77FA044Accident · 2 fatalClosedBeech 19A · Wheatland, WYMay 28, 1977 · N6952Q · Destroyed NTSB DEN77FTC14Accident · Serious injuriesClosedPiper PA-28R · Thayne, WYMay 13, 1977 · N57356 · Destroyed NTSB DEN77FTC13Accident · Minor injuriesClosedCessna 172L · Jackson, WYMay 8, 1977 · N19678 · Substantial damage NTSB DEN77FA041Accident · 2 fatalClosedPiper PA-34 · Bigtrails, WYMay 6, 1977 · N4948F · Destroyed NTSB DEN77FA040Accident · 4 fatalClosedBeech J35 · Lander, WYMay 4, 1977 · N83W · Destroyed NTSB DEN77FTC12Accident · Minor injuriesClosedSudaviation SA315B · Laramie, WYMay 3, 1977 · N90706 · Substantial damage NTSB DEN77DTC11Accident · No injuriesClosedBellanca 8GCBC · Elk Mountain, WYApr 25, 1977 · N8672V · Substantial damage NTSB DEN77FTC10Accident · Serious injuriesClosedCessna T210L · Wamsutter, WYApr 21, 1977 · N33DF · Substantial damage NTSB DEN77FA033Accident · 2 fatalClosedAeronca 7AC · Laramie, WYApr 7, 1977 · N83541 · Destroyed NTSB DEN77DTC09Accident · Minor injuriesClosedBell 206B · Laramie, WYApr 5, 1977 · N217RM · Substantial damage NTSB DEN77DTC08Accident · No injuriesClosedCessna 172 · Cody, WYMar 21, 1977 · N78531 · Destroyed NTSB DEN77FA031Accident · 2 fatalClosedCessna 210L · Elk Mountain, WYMar 16, 1977 · N1630X · Destroyed NTSB DEN77DTC07Accident · No injuriesClosedStinson 108-2 · Laramie, WYMar 12, 1977 · N992D · Substantial damage NTSB DEN77DTC06Accident · No injuriesClosedStinson 108-2 · Rock Springs, WYMar 6, 1977 · N9567K · Substantial damage NTSB DEN77FA028Accident · 1 fatalClosedCessna 414 · Farson, WYMar 2, 1977 · N8066Q · Destroyed NTSB DEN77DTC05Accident · No injuriesClosedCessna U206 · Cheyenne, WYFeb 14, 1977 · N8498Q · Substantial damage NTSB DEN77FA020Accident · No injuriesClosedHiller Acft FH1100 · Alpine, WYJan 19, 1977 · N208DP · Substantial damage