NTSB investigations, 1970

33 cases where the phase of flight was Unknown.

Cases per year

19622026
NTSB investigations, 1970 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\") = 1970
    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 FTW71AF035Accident · 1 fatalClosedCessna 150F · Pearland, TXDec 22, 1970 · N7021F · DestroyedNTSB LAX71IL039Incident · No injuriesClosedBoeing 747 · Los Angeles, CADec 12, 1970 · N4710U · Minor damageNTSB NYC71AN067Accident · 6 fatalClosedCessna 172 · Missing AircraftNov 29, 1970 · N8443X · DestroyedNTSB FTW71DRG53Accident · 5 fatalClosedBeech B35 · Punta Penasco, MexicoNov 25, 1970 · N5057C · DestroyedNTSB MIA71AM043Accident · 3 fatalClosedPiper PA-24 · Missing AircraftNov 23, 1970 · N9346P · DestroyedNTSB IAD71AI026Accident · 1 fatalClosedPiper PA-28 · Missing Aircraft, VANov 13, 1970 · N9384W · DestroyedNTSB CHI71FBQ19Accident · Serious injuriesClosedTaylorcraft BC12-D · Belle Rive, ILOct 5, 1970 · N94900 · Substantial damageNTSB FTW71DQG46Accident · 2 fatalClosedPiper PA-30 · Juarez, MexicoSep 28, 1970 · N8825Y · DestroyedNTSB NYC71AN035Accident · 2 fatalClosedPiper PA-24 · Missing AircraftSep 8, 1970 · N5414P · DestroyedNTSB NYC71IN027Incident · No injuriesClosedBoeing 747 · Boston, MAAug 26, 1970 · G-AWNA · Minor damageNTSB ANC71AA018Accident · 1 fatalClosedSikorsky S-55B · Valdez, AKAug 26, 1970 · N455ZNTSB MKC71FDQ09Accident · No injuriesClosedAeronca 7GCB · Sturgis, SDAug 17, 1970 · N9939Y · Substantial damageNTSB SEA71AS025Accident · 1 fatalClosedBeech S35 · Missing AircraftAug 7, 1970 · N11SM · DestroyedNTSB ANC71AA006Accident · 2 fatalClosedCessna 182 · Missing Aircraft, AKAug 7, 1970 · N3312Y · DestroyedNTSB LAX71DUJ13Accident · 4 fatalClosedMooney M20C · Sonora, MexicoAug 2, 1970 · N9124V · DestroyedNTSB NYC71FHA07Accident · No injuriesClosedKnudson C JR · Layton, NJJul 26, 1970 · N10061 · DestroyedNTSB MIA71IM008Incident · No injuriesClosedBoeing 727 · Jacksonville, FLJul 22, 1970 · N4730 · Minor damageNTSB NYC71AN002Accident · 1 fatalClosedCessna 310P · Missing AircraftJul 3, 1970 · N5766M · DestroyedNTSB MIA71AM002Accident · 6 fatalClosedCessna 310G · Missing AircraftJul 3, 1970 · N1166T · DestroyedNTSB CHI70AC086Accident · 1 fatalClosedCessna 172 · Missing AircraftMay 31, 1970 · N7487T · DestroyedNTSB CHI70AC084Accident · 2 fatalClosedCessna 210B · Mackinac Is, MIMay 30, 1970 · N9697X · DestroyedNTSB ANC70AA079Accident · 3 fatalClosedHiller Acft UH12EL · Northway, AKMay 16, 1970 · N5353V · DestroyedNTSB CHI70AC079Accident · 2 fatalClosedCessna 150H · Greenwood, INMay 12, 1970 · N7208S · DestroyedNTSB CHI70AC076Accident · 2 fatalClosedBeech 35-B33 · Missing AircraftApr 28, 1970 · N9563Y · DestroyedNTSB FTW70DRG35Accident · No injuriesClosedCessna 182 · Del Rio, TXApr 14, 1970 · N2129R · Substantial damageNTSB MIA70DKT11Accident · No injuriesClosedBellanca 17-30 · Summerlnd Key, FLMar 30, 1970 · N7379V · Substantial damageNTSB FTW70DRA10Accident · 2 fatalClosedDouglas DC-3A · Melcor Ocampo, MexicoMar 21, 1970 · N163J · DestroyedNTSB NYC70AN099Accident · 1 fatalClosedHelio Acft H-295 · Missing AircraftMar 12, 1970 · N5459E · DestroyedNTSB LAX70FUD06Accident · No injuriesClosedCessna 120 · Compton, CAMar 9, 1970 · N76385 · Substantial damageNTSB CHI70AC053Accident · 2 fatalClosedCessna 150G · Rantoul, ILFeb 16, 1970 · N2968J · DestroyedNTSB DEN70FQA03Accident · No injuriesClosedCessna 402 · Las Vegas, NMJan 25, 1970 · N4530Q · Substantial damageNTSB MIA70AM062Accident · 2 fatalClosedPiper PA-24 · Missing AircraftJan 17, 1970 · N9078P · DestroyedNTSB NYC70AN065Accident · 1 fatalClosedCessna 172 · Missing AircraftJan 3, 1970 · N7829U · Destroyed