NTSB investigations, 1993
22 cases where the phase of flight was Unknown.
Cases per year
| 1962 | 1 |
|---|---|
| 1963 | 1 |
| 1964 | 29 |
| 1965 | 26 |
| 1966 | 36 |
| 1967 | 48 |
| 1968 | 59 |
| 1969 | 31 |
| 1970 | 33 |
| 1971 | 22 |
| 1972 | 30 |
| 1973 | 28 |
| 1974 | 27 |
| 1975 | 40 |
| 1976 | 15 |
| 1977 | 30 |
| 1978 | 38 |
| 1979 | 41 |
| 1980 | 30 |
| 1981 | 27 |
| 1982 | 51 |
| 1983 | 46 |
| 1984 | 47 |
| 1985 | 41 |
| 1986 | 18 |
| 1987 | 23 |
| 1988 | 24 |
| 1989 | 20 |
| 1990 | 25 |
| 1991 | 15 |
| 1992 | 22 |
| 1993 | 22 |
| 1994 | 12 |
| 1995 | 13 |
| 1996 | 19 |
| 1997 | 16 |
| 1998 | 20 |
| 1999 | 23 |
| 2000 | 13 |
| 2001 | 18 |
| 2002 | 9 |
| 2003 | 12 |
| 2004 | 6 |
| 2005 | 11 |
| 2006 | 7 |
| 2007 | 10 |
| 2008 | 7 |
| 2009 | 10 |
| 2010 | 20 |
| 2011 | 16 |
| 2012 | 19 |
| 2013 | 14 |
| 2014 | 25 |
| 2015 | 27 |
| 2016 | 35 |
| 2017 | 37 |
| 2018 | 45 |
| 2019 | 26 |
| 2020 | 39 |
| 2021 | 60 |
| 2022 | 71 |
| 2023 | 40 |
| 2024 | 60 |
| 2025 | 73 |
| 2026 | 222 |
Where
Latest cases
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 year(c.\"eventDate\") = 1993
AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 990)
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.
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 year(c."eventDate") = 1993
AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 990)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 CHI94FAMS1Accident · 1 fatalMissing aircraftFinal reportCessna 172I · Kalamazoo, MIUndetermined.NTSB LAX94LA041Accident · 2 fatalLimited investigationFinal reportHughes 369D · Pacific Ocean (Pacific Ocean)An undetermined event that resulted in the accident.NTSB MIA94LA013Accident · 3 fatalLimited investigationFinal reportBeech A36 · Ormond Beach, FLPoor judgement of the pilot, due to consumption of alcohol and use of drugs, and his failure (or inability) to maintain altitude (or clearance) above water at night. Darkness was a related factor.NTSB MIA94FA008Accident · Serious injuriesField investigationFinal reportBeech 60 · Miami, FLInadequate preflight by the pilot, and his failure to assure that proper maintenance/annual inspection was attained. Factors related to the accident were: water and other contamination in the fuel supply, lack of continuity in two ignition leads, loose left…NTSB MIA93FAMS2Accident · 1 fatalMissing aircraftFinal reportCessna 152 · FLundetermined.NTSB SEA93FAMS1Accident · 2 fatalMissing aircraftFinal reportCessna 182L · Missing, WAUndetermined.NTSB BFO93LA143Accident · Serious injuriesLimited investigationFinal reportCessna 150L · Danielson, CTUndetermined.NTSB ANC93LA143Accident · 2 fatalLimited investigationFinal reportArtic S-1B2 · Johnson Glacier, AKThe pilot's attempted flight in an airplane which exceeded the maximum allowable weight. The high mountainous terrain was a factor.NTSB LAX93LA309Accident · 1 fatalLimited investigationFinal reportCessna 182P · Dayton, NVThe pilot's failure to maintain an altitude sufficient to clear terrain due to alcohol and drug impairment.NTSB ANC93LA130Accident · 2 fatalLimited investigationFinal reportCessna 170 · Dry Bay, AKUndetermined.NTSB LAX93LA307Accident · Serious injuriesLimited investigationFinal reportCessna 150M · Santa Margarita, CAthe pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall.NTSB DEN93LA078Accident · No injuriesLimited investigationFinal reportCessna 172XP · Allen, TXFuel exhaustion induced power loss. A factor was the lack of suitable terrain for the forced landing.NTSB CHI93FAMS4Accident · 1 fatalMissing aircraftFinal reportMooney M20K · Hobart, INundetermined.NTSB FTW93TA#06Accident · No injuriesFinal reportCessna CE-550 · Comayagua, HondurasNTSB FTW93TA#07Accident · No injuriesFinal reportPiper PA-18-150 · Del Rio, TXNTSB FTW93TA#04Accident · No injuriesFinal reportPiper PA-18-150 · Godley, TXNTSB CHI93FAMS3Accident · 2 fatalMissing aircraftFinal reportLake LA-4 · Superior, WIundetermined.NTSB LAX93FA153Accident · 6 fatalField investigationFinal reportPiper PA-34-200 · Carpenteria, CAUndetermined.NTSB FTW93TA#03Accident · No injuriesFinal reportBell 206B · Dallas, TXNTSB CHI93FAMS2Accident · 1 fatalMissing aircraftFinal reportPiper PA-28R-200 · Grand Haven, MIundetermined.NTSB LAX93LA124Accident · 1 fatalLimited investigationFinal reportBertone Challenger II · Boulder City, NVThe pilot's loss of airplane control due to physical impairment as a result of either drugs or other cardiovascular reasons, or both.NTSB CHI93FAMS1Accident · 1 fatalMissing aircraftFinal reportCessna 182P · Portage, INUndetermined.