NTSB investigations, 1975
543 cases where the phase of flight was Initial climb.
Cases per year
| 1962 | 3 |
|---|---|
| 1963 | 4 |
| 1964 | 505 |
| 1965 | 555 |
| 1966 | 582 |
| 1967 | 587 |
| 1968 | 577 |
| 1969 | 582 |
| 1970 | 552 |
| 1971 | 541 |
| 1972 | 507 |
| 1973 | 482 |
| 1974 | 556 |
| 1975 | 543 |
| 1976 | 521 |
| 1977 | 556 |
| 1978 | 566 |
| 1979 | 502 |
| 1980 | 505 |
| 1981 | 499 |
| 1982 | 490 |
| 1983 | 507 |
| 1984 | 466 |
| 1985 | 418 |
| 1986 | 394 |
| 1987 | 380 |
| 1988 | 368 |
| 1989 | 348 |
| 1990 | 351 |
| 1991 | 324 |
| 1992 | 306 |
| 1993 | 307 |
| 1994 | 292 |
| 1995 | 289 |
| 1996 | 244 |
| 1997 | 272 |
| 1998 | 266 |
| 1999 | 239 |
| 2000 | 221 |
| 2001 | 219 |
| 2002 | 200 |
| 2003 | 227 |
| 2004 | 210 |
| 2005 | 204 |
| 2006 | 180 |
| 2007 | 202 |
| 2008 | 212 |
| 2009 | 173 |
| 2010 | 162 |
| 2011 | 177 |
| 2012 | 193 |
| 2013 | 122 |
| 2014 | 130 |
| 2015 | 165 |
| 2016 | 141 |
| 2017 | 149 |
| 2018 | 155 |
| 2019 | 146 |
| 2020 | 112 |
| 2021 | 166 |
| 2022 | 161 |
| 2023 | 163 |
| 2024 | 143 |
| 2025 | 134 |
| 2026 | 106 |
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\") = 1975
AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 350)
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") = 1975
AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 350)
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 NYC76DNC34Accident · No injuriesClosedCessna 150 · Nashua, NHNTSB DEN76AD026Accident · 4 fatalClosedAero Comdr 680 · Pagosa Spgs, CONTSB LAX76DUJ50Accident · Minor injuriesClosedCessna 206 · Holbrook, AZNTSB ANC76AA056Accident · 2 fatalClosedBellanca 7GCAA · Soldotna, AKNTSB CHI76FET24Accident · Serious injuriesClosedCessna 210B · Fort Wayne, INNTSB NYC76AN059Accident · Serious injuriesClosedBeech C55 · Doylestown, PANTSB ANC76DAG28Accident · Minor injuriesClosedAeronca 11AC · Telida, AKNTSB MIA76FLD34Accident · No injuriesClosedPiper PA-34 · St Petersburg, FLNTSB LAX76FUM16Accident · No injuriesClosedHiller Acft UH-12B · San Diego, CANTSB NYC76AN055Accident · 1 fatalClosedPiper PA-28R · Erie, PANTSB FTW76FPJ19Accident · No injuriesClosedHiller Acft UH-12A · Ada, OKNTSB ANC76AA051Accident · Minor injuriesClosedCessna 180 · Akiachak, AKNTSB OAK76FJA08Accident · No injuriesClosedMurrayair MA-1 · Hilo, HINTSB CHI76DER06Accident · No injuriesClosedAero Comdr 100 · Superior, WINTSB OAK76DJA07Accident · No injuriesClosedMurrayair MA-1 · Hilo, HINTSB OAK76DVD17Accident · Minor injuriesClosedCessna 182 · Oakland, CANTSB MKC76FCD22Accident · No injuriesClosedCessna 140 · Des Moines, IANTSB NYC76AN052Accident · 1 fatalClosedPiper PA-23 · Spring Valley, NYNTSB FTW76FPA12Accident · Minor injuriesClosedGrumman AA1-B · Lancaster, TXNTSB ANC76AA050Accident · No injuriesClosedCessna 180 · Dillingham, AKNTSB OAK76FVM15Accident · Serious injuriesClosedCessna 120 · Morgan Hill, CANTSB NYC76FNA22Accident · Minor injuriesClosedPiper PA-28 · Malboro, MANTSB LAX76DUJ45Accident · No injuriesClosedPiper PA-22 · Aguila, AZNTSB IAD76FIG07Accident · Minor injuriesClosedStinson 108 · Davidsonville, MDNTSB CHI76FCA05Accident · Serious injuriesClosedHiller Acft FH1100 · Belleville, ILNTSB MIA76AM047Accident · 1 fatalClosedCessna 185 · St Petersburg, FLNTSB CHI76AC036Accident · Minor injuriesClosedBeech E18S · Fort Wayne, INNTSB MKC76FER41Accident · No injuriesClosedBeech 35J · Rochester, MNNTSB CHI76FEP19Accident · Serious injuriesClosedCessna 172A · Madison, WINTSB FTW76DPG37Accident · No injuriesClosedCessna 188 · Marker Tree, ARNTSB SEA76DYC23Accident · No injuriesClosedAmer Avco AA1-A · Goldendale, WANTSB SEA76AS027Accident · 1 fatalClosedBeech 19A · Port Orchard, WANTSB MIA76DLD13Accident · No injuriesClosedPiper PA-28 · Englewood, FLNTSB IAD76FIJ09Accident · Serious injuriesClosedCessna 172C · Lansing, WVNTSB IAD76II040Incident · No injuriesClosedPiper PA-31 · Chantilly, VANTSB FTW76AF045Accident · 1 fatalClosedCessna 150F · Crowville, LANTSB DEN76FTE41Accident · No injuriesClosedTaylorcraft BC12-D · Aurora, CONTSB MIA76AM042Accident · 1 fatalClosedBeech J35 · Columbus, MSNTSB IAD76II032Incident · No injuriesClosedPiper PA-23 · Beckley, WVNTSB OAK76AP028Accident · 2 fatalClosedBeech K35 · S.Lake Tahoe, CANTSB MIA76FLT02Accident · No injuriesClosedPiper J3C · Southhaven, MSNTSB FTW76DRD18Accident · No injuriesClosedCessna 170B · Westwego, LANTSB FTW76AF043Accident · 2 fatalClosedPiper PA-28 · Lakeview, ARNTSB ANC76AA048Accident · 3 fatalClosedPiper PA-18 · Willow, AKNTSB DEN76FTE39Accident · Minor injuriesClosedCessna A185F · Crested Butte, CONTSB CHI76DEM20Accident · No injuriesClosedCessna 150G · Mikado, MINTSB MIA76DKT30Accident · No injuriesClosedCessna 150 · Punta Gorda, FLNTSB LAX76FUM13Accident · No injuriesClosedBoeing A75 · Imperial, CANTSB IAD76AI028Accident · 6 fatalClosedBeech C90 · Charleston, WVNTSB CHI76FEE28Accident · Serious injuriesClosedPiper PA-28R · Polo, IL