NTSB investigations, 1971

1,626 cases where the phase of flight was Landing.

Cases per year

19622026
NTSB investigations, 1971 per year, 1962–2026: 53,700 cases
196222
196319
19642,152
19652,293
19662,496
19672,731
19681,964
19691,749
19701,680
19711,626
19721,480
19731,368
19741,387
19751,285
19761,307
19771,222
19781,325
19791,135
19801,123
19811,048
1982939
1983885
1984853
1985739
1986661
1987699
1988605
1989584
1990556
1991503
1992534
1993524
1994516
1995481
1996529
1997508
1998545
1999563
2000517
2001497
2002516
2003515
2004522
2005543
2006470
2007536
2008538
2009474
2010512
2011519
2012500
2013420
2014412
2015422
2016527
2017490
2018518
2019463
2020420
2021455
2022494
2023477
2024477
2025451
2026379

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 = 550)
  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 NYC72FNA25Accident · No injuriesClosedPiper PA-24 · Newburyport, MADec 31, 1971 · N8865P · Substantial damageNTSB NYC72DIG17Accident · No injuriesClosedPiper PA-28 · Montgomery, MDDec 31, 1971 · N3978K · Substantial damageNTSB CHI72DEM41Accident · No injuriesClosedPiper PA-28 · Alma, MIDec 31, 1971 · N8111W · Substantial damageNTSB MIA72OKT41Accident · No injuriesClosedCessna 172E · Exuma (Atlantic Ocean)Dec 30, 1971 · N5733T · Substantial damageNTSB FTW72DRG56Accident · No injuriesClosedCessna 182H · Tijuana, MexicoDec 30, 1971 · N376LA · Substantial damageNTSB DEN72FQA30Accident · Minor injuriesClosedCessna 411 · Alameda, NMDec 29, 1971 · N4977T · Substantial damageNTSB CHI72DEI26Accident · No injuriesClosedBellanca 14-193 · Painesville, OHDec 29, 1971 · N6553N · Substantial damageNTSB NYC72DKM18Accident · No injuriesClosedLuscombe 8A · Winston-Salem, NCDec 28, 1971 · N2698K · Substantial damageNTSB FTW72FRA28Accident · No injuriesClosedPiper PA-28 · Houston, TXDec 28, 1971 · N6615J · Substantial damageNTSB OAK72FVM18Accident · No injuriesClosedDehavilland DH104 · San Carlos, CADec 27, 1971 · N6307T · Substantial damageNTSB NYC72AN084Accident · No injuriesClosedPiper PA-23 · Glenn Falls, NYDec 27, 1971 · N5434Y · Substantial damageNTSB MIA72DLT11Accident · No injuriesClosedRobertson 205 · Dyer, TNDec 25, 1971 · N1825Z · Substantial damageNTSB FTW72DRJ17Accident · No injuriesClosedCessna 170B · Robson, LADec 25, 1971 · N2309D · Substantial damageNTSB MKC72DTK13Accident · No injuriesClosedPiper PA-11 · Miller, SDDec 24, 1971 · N78636 · Substantial damageNTSB MIA72FKG70Accident · No injuriesClosedMaule M-4 · Statesboro, GADec 24, 1971 · N2052U · Substantial damageNTSB CHI72FEE51Accident · No injuriesClosedBeech 18 · Chicago, ILDec 24, 1971 · N588K · Substantial damageNTSB SEA72DVG22Accident · No injuriesClosedLuscombe 8F · Walla Walla, WADec 23, 1971 · N1870B · Substantial damageNTSB NYC72FHD24Accident · Minor injuriesClosedChampion 7FC · Moorestown, NJDec 23, 1971 · N9974Y · Substantial damageNTSB NYC72DHD25Accident · No injuriesClosedCessna 177 · Rehoboth Bch, DEDec 23, 1971 · N3198T · Substantial damageNTSB NYC72FNE19Accident · Minor injuriesClosedCessna 172F · Kent, CTDec 22, 1971 · N7857U · Substantial damageNTSB MKC72DER33Accident · No injuriesClosedCessna 150L · Wht Br Lake, MNDec 22, 1971 · N1601Q · Substantial damageNTSB MIA72OM063Accident · No injuriesClosedBrittnorman BN-2A · Dajabon, DRDec 22, 1971 · N42JA · Substantial damageNTSB MIA72DLA27Accident · No injuriesClosedCessna 182 · Apalachicola, FLDec 22, 1971 · N3367U · Substantial damageNTSB FTW72AF038Accident · No injuriesClosedLockheed 18 · Hobart, OKDec 22, 1971 · N10P · Substantial damageNTSB ANC72AA032Accident · Minor injuriesClosedPiper PA-32 · Galena, AKDec 22, 1971 · N8942N · Substantial damageNTSB NYC72FIA10Accident · No injuriesClosedBeech A23-24 · Lexington Park, MDDec 20, 1971 · N5773V · DestroyedNTSB CHI72FEA25Accident · No injuriesClosedCessna 172 · Greencastle, INDec 20, 1971 · N46374 · Substantial damageNTSB OAK72DVA39Accident · No injuriesClosedPiper PA-24 · Porterville, CADec 19, 1971 · N6564P · Substantial damageNTSB NYC72FNA27Accident · No injuriesClosedCessna 172 · Plymouth, MADec 19, 1971 · N46601 · Substantial damageNTSB MIA72DLD23Accident · No injuriesClosedPiper PA-30 · Bartow, FLDec 19, 1971 · N8113Y · Substantial damageNTSB UNK72X0103Accident · No injuriesClosedCessna 310H · Malton, CanadaDec 18, 1971 · N1078Q · Substantial damageNTSB LAX72DUG43Accident · No injuriesClosedHughes 269A · Ontario, CADec 18, 1971 · N8846F · Substantial damageNTSB ANC72DAG85Accident · Minor injuriesClosedCessna 180 · Chevak, AKDec 18, 1971 · N3384D · Substantial damageNTSB LAX72DUG46Accident · No injuriesClosedChampion 7GCBC · La Verne, CADec 17, 1971 · N7590F · Substantial damageNTSB FTW72DRG43Accident · Minor injuriesClosedCessna 210E · Tresimilio, MexicoDec 17, 1971 · N1801F · Substantial damageNTSB FTW72AF037Accident · No injuriesClosedBeech A99A · Houston, TXDec 17, 1971 · N1923T · Substantial damageNTSB LAX72FUG39Accident · No injuriesClosedBell 47B · La Verne, CADec 15, 1971 · N514SF · Substantial damageNTSB DEN72FTE49Accident · No injuriesClosedCessna 150 · Littleton, CODec 15, 1971 · N6812F · Substantial damageNTSB DEN72FQD18Accident · No injuriesClosedBell 47G3B1 · Hollomn Afb, NMDec 15, 1971 · N1382X · Substantial damageNTSB FTW72DRG46Accident · No injuriesClosedCessna 182G · Bertram, TXDec 14, 1971 · N3214S · Substantial damageNTSB MIA72FLG18Accident · No injuriesClosedPiper PA-24 · Florence, SCDec 13, 1971 · N8552P · Substantial damageNTSB MKC72FCJ39Accident · No injuriesClosedPiper PA-24 · Scribner, NEDec 12, 1971 · N5095P · Substantial damageNTSB LAX72DUG41Accident · No injuriesClosedCessna 150 · Apple Vally, CADec 12, 1971 · N8182S · Substantial damageNTSB LAX72AL071Accident · Minor injuriesClosedGrumman G-21 · Long Beach, CADec 12, 1971 · N11CS · Substantial damageNTSB NYC72FGM25Accident · No injuriesClosedMooney M20C · Monroeville, PADec 11, 1971 · N78921 · Substantial damageNTSB CHI72FEG26Accident · No injuriesClosedBeech A23A · Harrison, OHDec 11, 1971 · N3602Q · Substantial damageNTSB CHI72FEG25Accident · No injuriesClosedPiper PA-22 · S Lebanon, OHDec 11, 1971 · N1773P · Substantial damageNTSB CHI72DEA24Accident · No injuriesClosedCessna 172 · Martinsville, INDec 11, 1971 · N7613G · Substantial damageNTSB MKC72DCD48Accident · No injuriesClosedPiper PA-20 · Woodbine, IADec 10, 1971 · N7044K · Substantial damageNTSB LAX72FUG40Accident · No injuriesClosedRearwin 185 · Chino, CADec 10, 1971 · N92902 · Substantial damage