NTSB investigations, 1974

27 cases where the phase of flight was Unknown.

Cases per year

19622026
NTSB investigations, 1974 per year, 1962–2026: 1,985 cases
19621
19631
196429
196526
196636
196748
196859
196931
197033
197122
197230
197328
197427
197540
197615
197730
197838
197941
198030
198127
198251
198346
198447
198541
198618
198723
198824
198920
199025
199115
199222
199322
199412
199513
199619
199716
199820
199923
200013
200118
20029
200312
20046
200511
20067
200710
20087
200910
201020
201116
201219
201314
201425
201527
201635
201737
201845
201926
202039
202160
202271
202340
202460
202573
2026226

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\") = 1974
    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.

NTSB MIA75RM032Accident · 1 fatalClosedCessna 177RG · Great Inagua, Burkina FasoDec 16, 1974 · N2128Q · DestroyedNTSB ANC75AA045Accident · 5 fatalClosedGrumman G-21 · Missing AircraftDec 11, 1974 · N1583V · DestroyedNTSB OAK75O0003Accident · 2 fatalClosedCessna 150L · Missing AcftDec 10, 1974 · N6950G · DestroyedNTSB DEN75AD031Accident · 1 fatalClosedBeech H35 · Provo, UTDec 10, 1974 · N361B · DestroyedNTSB ANC75FAA22Accident · 2 fatalClosedPiper PA-22 · Missing AircraftNov 30, 1974 · N9686D · DestroyedNTSB LAX75AL026Accident · 1 fatalClosedCessna 150F · Santa Maria, CANov 13, 1974 · N3026X · DestroyedNTSB OAK75DJA03Accident · 1 fatalClosedBeech A36 · Missing AircraftOct 12, 1974 · N8132R · DestroyedNTSB FTW75ORG49Accident · No injuriesClosedPiper PA-32 · Agualeguas, MexicoOct 11, 1974 · N3470W · DestroyedNTSB ANC74AA034Accident · 4 fatalClosedGrumman G-73 · Missing AircraftSep 30, 1974 · N2965 · DestroyedNTSB DEN75AD016Accident · 2 fatalClosedCessna 150L · Parker, COSep 29, 1974 · N11945 · DestroyedNTSB FTW75ORG47Accident · 3 fatalClosedCessna T210L · Mal Paso, MexicoSep 19, 1974 · N90707 · DestroyedNTSB MIA75AM018Accident · 3 fatalClosedCessna 172M · Missing AircraftAug 30, 1974 · N5142R · DestroyedNTSB MIA75AM015Accident · 2 fatalClosedBeech K35 · Missing AircraftAug 11, 1974 · N632Q · DestroyedNTSB CHI75IC013Incident · No injuriesClosedBoeing 727 · Chicago, ILAug 3, 1974 · N1643 · No damageNTSB OAK75DXQ02Accident · No injuriesClosedPiper PA-25 · Fallon, NVJul 13, 1974 · N6301Z · Substantial damageNTSB MIA75AM007Accident · 6 fatalClosedPiper PA-32 · Missing AircraftJul 13, 1974 · N83CA · DestroyedNTSB LAX75OL004Accident · 4 fatalClosedCessna 337 · Punta Chivato, MexicoJun 22, 1974 · N2127X · DestroyedNTSB OAK74AP069Accident · 2 fatalClosedAmer Avco AA5 · Missing AircraftJun 21, 1974 · N5885L · DestroyedNTSB FTW75OF004Accident · No injuriesClosedCessna U206 · Los Papalotes, MexicoMay 29, 1974 · N8087Z · Substantial damageNTSB UNK74X0109Accident · 2 fatalClosedCessna 195 · San Felipe, MexicoMay 28, 1974 · N4382N · DestroyedNTSB LAX75OL008Accident · 2 fatalClosedCessna 210 · Magdalena, MexicoMay 24, 1974 · N1187Q · DestroyedNTSB LAX75OL011Accident · No injuriesClosedCessna U206C · S.Luis Gnzaga, MexicoMay 19, 1974 · N29020 · Substantial damageNTSB FTW74ORG81Accident · 2 fatalClosedCessna 182J · Zihauatanejo, MexicoApr 25, 1974 · N3302F · DestroyedNTSB LAX75OL006Accident · No injuriesClosedPiper PA-32 · Tecoripa, MexicoApr 17, 1974 · N98217 · Substantial damageNTSB NYC74AN084Accident · 4 fatalClosedPiper PA-23 · Nantucket, MAApr 2, 1974 · N4623P · DestroyedNTSB OAK74DJA15Accident · 1 fatalClosedCessna 182 · Missing AircraftFeb 19, 1974 · N52356 · DestroyedNTSB MIA74AM068Accident · 1 fatalClosedCessna 414 · Missing AircraftFeb 10, 1974 · N8103Q · Destroyed