NTSB investigations, 1993

22 cases where the phase of flight was Unknown.

Cases per year

19622026
NTSB investigations, 1993 per year, 1962–2026: 1,981 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
2026222

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\") = 1993
    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 CHI94FAMS1Accident · 1 fatalMissing aircraftFinal reportCessna 172I · Kalamazoo, MIUndetermined.Nov 21, 1993 · N35549 · DestroyedNTSB LAX94LA041Accident · 2 fatalLimited investigationFinal reportHughes 369D · Pacific Ocean (Pacific Ocean)An undetermined event that resulted in the accident.Nov 7, 1993 · N5172K · DestroyedNTSB MIA94LA013Accident · 3 fatalLimited investigationFinal reportBeech A36 · Ormond Beach, FLPoor judgement of the pilot, due to consumption of alcohol and use of drugs, and his failure (or inability) to maintain altitude (or clearance) above water at night. Darkness was a related factor.Oct 29, 1993 · N888AS · DestroyedNTSB MIA94FA008Accident · Serious injuriesField investigationFinal reportBeech 60 · Miami, FLInadequate preflight by the pilot, and his failure to assure that proper maintenance/annual inspection was attained. Factors related to the accident were: water and other contamination in the fuel supply, lack of continuity in two ignition leads, loose left…Oct 17, 1993 · N7131D · Substantial damageNTSB MIA93FAMS2Accident · 1 fatalMissing aircraftFinal reportCessna 152 · FLundetermined.Sep 30, 1993 · N93261 · DestroyedNTSB SEA93FAMS1Accident · 2 fatalMissing aircraftFinal reportCessna 182L · Missing, WAUndetermined.Aug 17, 1993 · N3106R · DestroyedNTSB BFO93LA143Accident · Serious injuriesLimited investigationFinal reportCessna 150L · Danielson, CTUndetermined.Jul 31, 1993 · N21918 · DestroyedNTSB ANC93LA143Accident · 2 fatalLimited investigationFinal reportArtic S-1B2 · Johnson Glacier, AKThe pilot's attempted flight in an airplane which exceeded the maximum allowable weight. The high mountainous terrain was a factor.Jul 31, 1993 · N59AT · DestroyedNTSB LAX93LA309Accident · 1 fatalLimited investigationFinal reportCessna 182P · Dayton, NVThe pilot's failure to maintain an altitude sufficient to clear terrain due to alcohol and drug impairment.Jul 30, 1993 · N8185M · DestroyedNTSB ANC93LA130Accident · 2 fatalLimited investigationFinal reportCessna 170 · Dry Bay, AKUndetermined.Jul 30, 1993 · N8190A · DestroyedNTSB LAX93LA307Accident · Serious injuriesLimited investigationFinal reportCessna 150M · Santa Margarita, CAthe pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall.Jul 29, 1993 · N45138 · DestroyedNTSB DEN93LA078Accident · No injuriesLimited investigationFinal reportCessna 172XP · Allen, TXFuel exhaustion induced power loss. A factor was the lack of suitable terrain for the forced landing.Jul 14, 1993 · N736TJ · Substantial damageNTSB CHI93FAMS4Accident · 1 fatalMissing aircraftFinal reportMooney M20K · Hobart, INundetermined.Jun 25, 1993 · N5655M · DestroyedNTSB FTW93TA#06Accident · No injuriesFinal reportCessna CE-550 · Comayagua, HondurasJun 17, 1993 · N2734K · Substantial damageNTSB FTW93TA#07Accident · No injuriesFinal reportPiper PA-18-150 · Del Rio, TXJun 12, 1993 · N83325 · Substantial damageNTSB FTW93TA#04Accident · No injuriesFinal reportPiper PA-18-150 · Godley, TXMay 16, 1993 · N2520S · Substantial damageNTSB CHI93FAMS3Accident · 2 fatalMissing aircraftFinal reportLake LA-4 · Superior, WIundetermined.Apr 18, 1993 · N7608L · DestroyedNTSB LAX93FA153Accident · 6 fatalField investigationFinal reportPiper PA-34-200 · Carpenteria, CAUndetermined.Mar 17, 1993 · N55334 · DestroyedNTSB FTW93TA#03Accident · No injuriesFinal reportBell 206B · Dallas, TXMar 16, 1993 · N3211N · Substantial damageNTSB CHI93FAMS2Accident · 1 fatalMissing aircraftFinal reportPiper PA-28R-200 · Grand Haven, MIundetermined.Mar 15, 1993 · N15206 · DestroyedNTSB LAX93LA124Accident · 1 fatalLimited investigationFinal reportBertone Challenger II · Boulder City, NVThe pilot's loss of airplane control due to physical impairment as a result of either drugs or other cardiovascular reasons, or both.Feb 18, 1993 · N4391V · DestroyedNTSB CHI93FAMS1Accident · 1 fatalMissing aircraftFinal reportCessna 182P · Portage, INUndetermined.Feb 6, 1993 · N7227N · Destroyed