OpenAirDocs.org

NTSB investigations, IL

11 cases where the phase of flight was Emergency descent.

Cases per year

19642026

Where

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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 c.\"eventStateOrRegion\" = 'IL' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 600)
  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 CEN16FA214Accident · 1 fatalField investigationFinal reportCirrus Design SR22 · Marion, ILThe pilots' failure to maintain adequate airspeed while executing a simulated engine failure and landing maneuver, which resulted in the wing's critical angle of attack being exceeded and a subsequent aerodynamic stall and loss of control.Jun 10, 2016 · N508AJ · DestroyedNTSB CEN14LA517Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · Cahokia, ILThe pilot’s poor decision to take off with the clutch warning light illuminated, which resulted in the total failure of the fan assembly due to a lack of lubrication. Contributing to the accident was the mechanic’s failure to lubricate the lower actuator…Sep 19, 2014 · N115DD · Substantial damageNTSB CEN13CA312Accident · No injuriesData collectionFinal reportRobinson Helicopter R22 Beta · Lansing, ILImproper control inputs by the pilot-receiving-instruction and the inability of the flight instructor to correct the control inputs in sufficient time to avoid the hard landing.Jun 3, 2013 · N2318X · Substantial damageNTSB CEN13LA164Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Morris, ILThe pilot's improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.Feb 16, 2013 · N93747 · Substantial damageNTSB CHI03LA306Accident · No injuriesLimited investigationFinal reportBellanca 14-13-2 · Moline, ILThe partial failure of the engine driven fuel pump and fuel starvation. An additional cause was the pilot misjudging the proper glidepath and his improper in-flight decision during the precautionary landing to pull back the power and lower the flaps prior to…Sep 6, 2003 · N74467 · Substantial damageNTSB CHI99IA096Incident · No injuriesIncident investigationFinal reportCessna T210R · Tinley Park, ILthe improper installation of the pressure oil line 'B' nut by maintenance personnel. Contributing to the incident were the loose pressure oil line 'B' nut and separation of the propeller from the aircraft.Feb 20, 1999 · N7687U · Minor damageNTSB CHI92LA252Accident · Serious injuriesLimited investigationFinal reportCameron N-90 · Centralia, ILAbrupt touchdown.Aug 16, 1992 · N75250 · No damageNTSB CHI90LA220Accident · No injuriesLimited investigationFinal reportSchleicher ASK-21 · Plainfield, ILThe glider pilot's improper aircraft handling at low atitude.Jul 31, 1990 · N342KS · Substantial damageNTSB CHI85LA294Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Schaumburg, ILThe acft contacted a ditch during a forced landing following a loss of pwr shortly after takeoff. The plt reported that at an alt of aprx 200 ft AGL, during the takeoff climb, a total loss of pwr occurred. A left turn was made in an attemptto avoid buildings…Jul 17, 1985 · N4349K · Substantial damageNTSB CHI82FCA01Accident · No injuriesClosedHughes 369HS · Cahokia, ILNov 14, 1981 · N9083F · Substantial damageNTSB UNK64X1983Accident · No injuriesClosedBell 47G · Pana, ILMay 27, 1964 · N4734S · Substantial damage