NTSB investigations, 1973

28 cases where the phase of flight was Unknown.

Cases per year

19622026
NTSB investigations, 1973 per year, 1962–2026: 1,978 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
2026219

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\") = 1973
    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 LAX74OL051Accident · No injuriesClosedCessna 310 · Mazatlan, MexicoDec 26, 1973 · N3092D · Substantial damageNTSB LAX74OL049Accident · 4 fatalClosedMooney M20C · Mulege, MexicoDec 22, 1973 · N9082V · DestroyedNTSB DEN74FQG02Accident · No injuriesClosedCessna TU206F · Jal, NMDec 18, 1973 · N51404 · Substantial damageNTSB FTW74DRD20Accident · 2 fatalClosedCessna 182 · Mexico City, MexicoDec 7, 1973 · N869TX · Substantial damageNTSB FTW74DRJ26Accident · No injuriesClosedPiper PA-23 · Vera Cruz, MexicoDec 5, 1973 · N14348 · Substantial damageNTSB ANC74AA048Accident · 1 fatalClosedAeronca 15AC · Missing AircraftNov 25, 1973 · N1373H · DestroyedNTSB CHI74AC030Accident · 1 fatalClosedCessna 337 · Mackinac Cty, MIOct 3, 1973 · N1876M · DestroyedNTSB LAX74OL032Accident · 2 fatalClosedAero Comdr 100 · Hermosillo, MexicoSep 29, 1973 · N4038X · Substantial damageNTSB FTW74DPJ10Accident · No injuriesClosedHelio Acft H-295 · Olustee, OKSep 28, 1973 · N6473V · Substantial damageNTSB MIA74AM021Accident · 3 fatalClosedCessna 150 · Missing AcftAug 26, 1973 · N50143 · DestroyedNTSB MIA74AM017Accident · 4 fatalClosedBeech S35 · Missing AircraftAug 10, 1973 · N7956K · DestroyedNTSB CHI74AC013Accident · 4 fatalClosedPiper PA-28 · St.Ignace, MIAug 7, 1973 · N4737L · DestroyedNTSB FTW74DRA15Accident · 1 fatalClosedPiper PA-28 · Empalme, MexicoJul 31, 1973 · N5198L · DestroyedNTSB SEA74AS002Accident · 2 fatalClosedPiper PA-22 · Missing AircraftJul 11, 1973 · N5017Z · DestroyedNTSB OAK74AP001Accident · 2 fatalClosedAmer Avco AA1 · Garberville, CAJul 4, 1973 · N5692L · DestroyedNTSB FTW73FRG93Accident · 1 fatalClosedGrumman G-164A · Laferia, TXJun 28, 1973 · N7805 · DestroyedNTSB LAX73DUM38Accident · No injuriesClosedMooney M20E · Borrego Spg, CAJun 14, 1973 · N7843V · Substantial damageNTSB LAX73FUQ37Accident · 1 fatalClosedExpermental Toot · Santa Susan, CAJun 2, 1973 · N606N · DestroyedNTSB MIA73AM103Accident · 2 fatalClosedNavion A · Missing AircraftMay 25, 1973 · N5126K · DestroyedNTSB LAX74OL025Accident · 3 fatalClosedCessna 175 · San L Gonzaga, MexicoApr 30, 1973 · N7059M · DestroyedNTSB NYC73AN130Accident · 1 fatalClosedPiper PA-28 · Missing AircraftMar 31, 1973 · N8076N · DestroyedNTSB MIA73AM097Accident · 1 fatalClosedCessna 172 · Missing AircraftMar 28, 1973 · N7050T · DestroyedNTSB FTW73AF053Accident · 2 fatalClosedBell 206B · Patterson, LAMar 20, 1973 · N36AL · DestroyedNTSB CHI73AC076Accident · 1 fatalClosedBeech E18S · Missing AircraftMar 20, 1973 · N1900R · DestroyedNTSB IAD73AI005Accident · 2 fatalClosedCessna 172F · Mcclellanville, SCMar 9, 1973 · N5310R · DestroyedNTSB NYC73AN111Accident · 2 fatalClosedCessna 210 · Missing AircraftJan 28, 1973 · N6710R · DestroyedNTSB NYC73AN103Accident · 1 fatalClosedCessna 150K · Missing AircraftJan 14, 1973 · N6253G · DestroyedNTSB MIA73AM072Accident · 5 fatalClosedBeech E35 · Mobile, ALJan 6, 1973 · N3294C · Destroyed