NTSB investigations, 1994

12 cases where the phase of flight was Unknown.

Cases per year

19622026
NTSB investigations, 1994 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\") = 1994
    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 LAX95LA063Accident · 2 fatalLimited investigationFinal reportMcDonnell Douglas 500 · Chuuk Island (Pacific Ocean)undetermined.Dec 29, 1994 · N9128F · DestroyedNTSB MIA95FAMS1Accident · 1 fatalMissing aircraftFinal reportPiper PA-28-161 · Missing, FLUndetermined.Dec 25, 1994 · N5916V · DestroyedNTSB ATL95FA023Accident · 1 fatalField investigationFinal reportBeech C23 · Statesboro, GAThe pilot's impairment of judgment and performance due to alcohol, improper planning/decision, flight into adverse weather conditions, and failure to maintain proper altitude/clearance from wooded terrain. Factors related to the accident were: darkness and…Dec 4, 1994 · N9790L · Substantial damageNTSB ANC95FAMS1Accident · 1 fatalMissing aircraftFinal reportCessna 206 · Kenai, AKUndetermined.Dec 3, 1994 · N5282U · Substantial damageNTSB ATL95FA013Accident · 2 fatalField investigationFinal reportCessna 152 · Dresden, TNThe pilot in command's (CFI) impairment of judgment and performance due to alcohol and drugs, which led to his failure to maintain separation from terrain.Nov 9, 1994 · N24834 · DestroyedNTSB MIA94FAMS2Accident · 5 fatalMissing aircraftFinal reportPiper PA-23-250 · MissingUndetermined.Sep 19, 1994 · N6844Y · DestroyedNTSB ANC94LA133Accident · No injuriesLimited investigationFinal reportChampion 7ECA · Fairbanks, AKUndetermined.Sep 10, 1994 · N68522 · Substantial damageNTSB SEA94FA237Accident · 2 fatalField investigationFinal reportPiper J3C-65 · Dixon, MTThe pilot in command's allowing the aircraft airspeed to decrease below the stall speed.Sep 9, 1994 · N42056 · DestroyedNTSB MIA94FAMS1Accident · 2 fatalMissing aircraftFinal reportPiper PA-32-300 · MissingUndetermined.Aug 28, 1994 · N69118 · DestroyedNTSB ANC94LA127Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Eagle, AKUndetermined.Jul 30, 1994 · N3849M · Substantial damageNTSB BFO94LA085Accident · 1 fatalLimited investigationFinal reportPecchio Marchetti 263MP · East Moriches, NYthe loss of control for undetermined reasons resulting in an uncontrolled descent and a subsequent collision with trees.Jun 2, 1994 · N263MP · DestroyedNTSB CHI94FA330Accident · 1 fatalField investigationFinal reportBell 47G-5A · Wisconsin Rpds, WIUndetermined.Mar 22, 1994 · N2991W · Destroyed