NTSB investigations, 1971

383 cases where the phase of flight was Takeoff.

Cases per year

19622026
NTSB investigations, 1971 per year, 1962–2026: 14,035 cases
19624
19635
1964352
1965314
1966410
1967449
1968327
1969364
1970345
1971383
1972265
1973299
1974343
1975315
1976281
1977333
1978344
1979321
1980251
1981289
1982254
1983247
1984238
1985192
1986182
1987187
1988168
1989162
1990185
1991191
1992146
1993140
1994175
1995197
1996145
1997154
1998153
1999175
2000162
2001148
2002153
2003162
2004129
2005143
2006127
2007150
2008170
2009205
2010198
2011188
2012184
2013153
2014188
2015184
2016191
2017195
2018172
2019197
2020193
2021179
2022176
2023204
2024216
2025204
2026179

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\") = 1971
    AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 300)
  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.

NTSB CHI72DEP28Accident · No injuriesClosedPiper PA-28 · Waukesha, WIDec 31, 1971 · N2371T · Substantial damageNTSB ANC72DAG83Accident · No injuriesClosedCessna 170 · Toksook Bay, AKDec 31, 1971 · N8001A · Substantial damageNTSB MKC72DTK15Accident · No injuriesClosedCessna 172I · Aberdeen, SDDec 30, 1971 · N8477L · Substantial damageNTSB FTW72DRA33Accident · No injuriesClosedBeech V35B · Leona, TXDec 28, 1971 · N4382A · Substantial damageNTSB FTW72FPD25Accident · No injuriesClosedCessna 172F · Cisco, TXDec 27, 1971 · N8179U · Substantial damageNTSB LAX72DUG50Accident · No injuriesClosedCessna 150 · Perris, CADec 26, 1971 · N22940 · Substantial damageNTSB MIA72OKA10Accident · No injuriesClosedPiper PA-31 · Anguilla, WNDec 25, 1971 · N9005Y · Substantial damageNTSB MIA72FLD41Accident · No injuriesClosedStinson 108-1 · Oklawaha, FLDec 24, 1971 · N8470K · Substantial damageNTSB DEN72FQD20Accident · Minor injuriesClosedAero-Comdr 100 · Deming, NMDec 24, 1971 · N4127X · Substantial damageNTSB ANC72AA031Accident · 1 fatalClosedCessna U206 · Wainwright, AKDec 22, 1971 · N3978G · DestroyedNTSB NYC72DNA23Accident · No injuriesClosedPiper PA-22 · Block Island, RIDec 18, 1971 · N8537C · Substantial damageNTSB MKC72DCQ37Accident · No injuriesClosedCessna 150L · Clay Center, KSDec 16, 1971 · N1248Q · Substantial damageNTSB FTW72DRG42Accident · No injuriesClosedCessna 182 · San Saba, TXDec 15, 1971 · N2169G · Substantial damageNTSB FTW72DRD17Accident · No injuriesClosedCessna A185E · Leeville, LADec 15, 1971 · N5818J · Substantial damageNTSB NYC72DNC18Accident · No injuriesClosedCessna 150F · Plymouth, NHDec 12, 1971 · N8683G · Substantial damageNTSB DEN72DQD19Accident · No injuriesClosedChampion 7EC · Montoya, NMDec 12, 1971 · N4307C · Substantial damageNTSB ANC72AA029Accident · No injuriesClosedCessna 180 · Iliamna, AKDec 11, 1971 · N2773X · Substantial damageNTSB NYC72FGM23Accident · No injuriesClosedCessna 172L · West Mifflin, PADec 10, 1971 · N2853Q · Substantial damageNTSB MKC72DTG14Accident · No injuriesClosedPiper J-3 · Colgan, NDDec 10, 1971 · N24705 · Substantial damageNTSB ANC72AA028Accident · No injuriesClosedPilatus PC-6H2 · Nunapitchuk, AKDec 10, 1971 · N3602R · Substantial damageNTSB CHI72DEI24Accident · No injuriesClosedCessna 172H · Painesville, OHDec 9, 1971 · N2872L · Substantial damageNTSB FTW72DQG24Accident · No injuriesClosedPiper PA-28 · Follett, TXDec 4, 1971 · N4658R · Substantial damageNTSB OAK72DJA10Accident · No injuriesClosedBoeing E75N1 · Maui, HIDec 2, 1971 · N4752V · Substantial damageNTSB NYC72FHM19Accident · No injuriesClosedCessna 172 · Wallkill, NYDec 1, 1971 · N8834Z · Substantial damageNTSB MIA72FKT33Accident · No injuriesClosedPiper PA-23 · Opa Locka, FLNov 30, 1971 · N2279P · Substantial damageNTSB DEN72DTE47Accident · No injuriesClosedCessna 172B · Erie, CONov 28, 1971 · N7909X · Substantial damageNTSB ANC72DAG80Accident · No injuriesClosedCessna 180 · Tyonek, AKNov 27, 1971 · N93330 · Substantial damageNTSB ANC72AA027Accident · No injuriesClosedCessna 185 · Skwentna, AKNov 26, 1971 · N70022 · Substantial damageNTSB CHI72FEM40Accident · No injuriesClosedTaylorcraft BC12-D · Williamsburg, MINov 25, 1971 · N95943 · Substantial damageNTSB LAX72FUG35Accident · Minor injuriesClosedCessna 205 · El Mirage, CANov 23, 1971 · N8460Z · Substantial damageNTSB MIA72FKT30Accident · No injuriesClosedGlobe GC-1B · Sanibel Isld, FLNov 21, 1971 · N80990 · Substantial damageNTSB FTW72DPD22Accident · No injuriesClosedCessna 120 · Weatherford, TXNov 21, 1971 · N72384 · Substantial damageNTSB MKC72FCA16Accident · No injuriesClosedN.American SNJ-4 · Chesterfield, MONov 16, 1971 · N1395N · Substantial damageNTSB MIA72FKG53Accident · No injuriesClosedPitts Spcl SC-1 · Douglasville, GANov 15, 1971 · N6119 · Substantial damageNTSB ANC72AA020Accident · No injuriesClosedDehavilland DHC-2 · Chicken, AKNov 11, 1971 · N1444T · Substantial damageNTSB FTW72DPM11Accident · No injuriesClosedPiper PA-28 · Morris, OKNov 9, 1971 · N4147J · Substantial damageNTSB OAK72DVD27Accident · No injuriesClosedPiper PA-28 · Smith River, CANov 7, 1971 · N8660W · Substantial damageNTSB NYC72FNE15Accident · No injuriesClosedAeronca 7DC · Oxford, CTNov 7, 1971 · N4493E · Substantial damageNTSB ANC72DAA22Accident · No injuriesClosedPiper PA-11 · North Pole, AKNov 7, 1971 · N6268H · Substantial damageNTSB NYC72DFA24Accident · No injuriesClosedCessna 180 · Round Lake, NYNov 6, 1971 · N2910A · Substantial damageNTSB DEN72FTE40Accident · No injuriesClosedStinson 108-2 · Watkins, CONov 4, 1971 · N97086 · Substantial damageNTSB CHI72IC041Incident · No injuriesClosedTed Smith 601 · Cleveland, OHNov 2, 1971 · N711ED · Minor damageNTSB NYC72FID16Accident · No injuriesClosedPiper PA-32 · Lynchburg, VAOct 30, 1971 · N4129W · Substantial damageNTSB NYC72DFJ22Accident · Minor injuriesClosedBensen B8M · Forestville, NYOct 30, 1971 · N4773G · Substantial damageNTSB ANC72DAG74Accident · No injuriesClosedCessna 180 · Northway, AKOct 30, 1971 · N6538A · Substantial damageNTSB DEN72DQA23Accident · No injuriesClosedBeech D18S · Conchas Dam, NMOct 28, 1971 · N104J · Substantial damageNTSB DEN72DTE37Accident · No injuriesClosedPiper PA-22 · Arboles, COOct 25, 1971 · N1504P · Substantial damageNTSB OAK72DVD25Accident · No injuriesClosedCessna 180 · Santa Rosa, CAOct 24, 1971 · N2408C · Substantial damageNTSB MKC72FTG13Accident · No injuriesClosedErco 415-C · Buxton, NDOct 24, 1971 · N94107 · Substantial damageNTSB MIA72FLA17Accident · No injuriesClosedCessna 172E · Compass Lake, FLOct 24, 1971 · N919DD · Substantial damage