NTSB investigations, IL

30 cases where the phase of flight was Unknown.

Cases per year

19682026
NTSB investigations, IL per year, 1968–2026: 30 cases
19682
19702
19741
19831
19841
19852
19871
19882
19901
19952
19962
19991
20031
20051
20061
20072
20151
20171
20201
20241
20251
20262

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 = 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 CEN26FA141Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA-28-140 · Rock Falls, ILOn March 20, 2026, about 1503 central daylight time, a Piper PA-28-140 airplane, N9913W, was destroyed when it was involved in an accident near Rock Falls, Illinois. The student pilot sustained fatal injuries. The airplane was being operated as a Title 14…Mar 20, 2026 · N9913W · DestroyedNTSB CEN26FA132Accident · 1 fatalClass 3 · FieldPreliminary reportCessna T210M · Deerfield, ILOn March 4, 2026, about 2145 central standard time, a Cessna T210M airplane, N19FB sustained substantial damage when it was involved in an accident near Deerfield, Illinois. The pilot was fatally injured. The airplane was operated under Title 14 Code of…Mar 5, 2026 · N19FB · Substantial damageNTSB CEN26FA064Accident · 2 fatalClass 3 · FieldPreliminary reportPiper PA-30 · West Chicago, ILOn December 17, 2025, about 1349 central standard time, a Piper PA-30 airplane, N8693Y, was substantially damaged when it was involved in an accident near West Chicago, Illinois. The pilot and pilot-rated passenger were fatally injured. The airplane was…Dec 17, 2025 · N8693Y · Substantial damageNTSB CEN24FA312Accident · 1 fatalClass 3 · FieldFinal reportEngineering & Research Ercoupe 415-C · Elkhart, ILAn off-airport landing in a soybean field for reasons that could not be determined. Contributing to the severity of the pilot’s injuries and airplane damage was a fire that occurred at an unknown time.Aug 7, 2024 · N3093H · DestroyedNTSB CEN21FA024Accident · 1 fatalClass 3 · FieldFinal reportGlasair III · Ford Heights, ILThe loss of engine power for reasons that could not be determined based on the available evidence.Oct 20, 2020 · N713MJ · Substantial damageNTSB CEN17CA140Accident · No injuriesData collectionFinal reportCessna 172R · Cahokia, ILA hard landing for reasons that could not be determined based on the available evidence.Feb 23, 2017 · N51827 · Substantial damageNTSB GAA15CA161Accident · No injuriesData collectionFinal reportCessna 172S · Galesburg, ILFirewall damage reported by maintenance personnel that occurred during an unknown phase of flight, because the accident flight and pilot could not be determined.Jun 10, 2015 · N740SP · Substantial damageNTSB CHI08LA041Accident · 1 fatalLimited investigationFinal reportHerink H R/Herink R W Challenger · Apple River, ILThe pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall. Contributing to the accident was the low altitude and the gusty wind conditions.Nov 27, 2007 · N2159M · Substantial damageNTSB CHI08CA011Accident · No injuriesData collectionFinal reportCessna 172P · Belleville, ILthe design limits of the aircraft being exceeded by a previous pilot during an unknown phase of flight.Sep 29, 2007 · N65998 · Substantial damageNTSB CHI06LA178Accident · 1 fatalLimited investigationFinal reportMoon Rans S-14 · Berlin, ILThe pilot's failure to maintain control of the airplane for undetermined reasons.Jul 7, 2006 · N43293 · DestroyedNTSB CHI05LA125Accident · 1 fatalLimited investigationFinal reportHurley Searey · South Beloit, ILIn-flight collision with the ground for undetermined reasons.May 24, 2005 · N60667 · DestroyedNTSB CHI03LA236Accident · 1 fatalLimited investigationFinal reportPolsgrove Bluegrass Express · Grafton, ILUndetermined.Jan 9, 2003 · N113YE · DestroyedNTSB CHI00LA038Accident · No injuriesLimited investigationFinal reportCessna 310Q · Moline, ILthe landing gear locking mechanism was not properly locked. Factors relating to this accident were the improper rigging of the gear and the runway marker.Nov 26, 1999 · N7762Q · Substantial damageNTSB CHI96LA352Accident · No injuriesLimited investigationFinal reportCessna 172RG · Aurora, ILundetermined.Sep 17, 1996 · N966LA · Substantial damageNTSB CHI96FA301Accident · 2 fatalField investigationFinal reportBellanca 7GCAA · Hinckley, ILthe instructor pilot exceeded the design stress limits of the aircraft which resulted in the overload failure of the wing. A factor was that the weight and balance of the aircraft was exceeded by the instructor pilot.Aug 19, 1996 · N5026Q · DestroyedNTSB CHI95FA212Accident · 1 fatalField investigationFinal reportTaylorcraft BC-65 · Plato Center, ILthe pilot not maintaining an adequate fuel supply, and not maintaining airspeed.Jul 8, 1995 · N1027K · Substantial damageNTSB CHI95LA343Accident · 1 fatalLimited investigationFinal reportBeech C23 · Waukegan, ILThe pilot's VFR flight into instrument meteorolical conditions.Mar 31, 1995 · N23990 · DestroyedNTSB DCA90IA048Incident · No injuriesIncident investigationFinal reportAirbus Industrie A320-211 · Chicago, ILThe pilot(s) allowed the aircraft to rotate to an excessive nose high attitude, either during a takeoff or landing.Aug 10, 1990 · N306US · Minor damageNTSB CHI89FA030Accident · 2 fatalField investigationFinal reportMooney M20J · Vermillion, ILDec 3, 1988 · N201UL · DestroyedNTSB CHI88FA190Accident · 2 fatalField investigationFinal reportMcdonnell Douglas 269B · Braceville, ILConducting maneuvering flight the PIC failed to monitor the helicopter systems and allowed the main rotor RPM to decay to the point where it would not produce enough lift to sustain flight.Aug 2, 1988 · N9522F · DestroyedNTSB CHI87FA124Accident · 1 fatalField investigationFinal reportCessna 152 · Ina, ILBefore the flt, the plt stated his intentions were to practice ngt lndgs. He took off at 2010 CDT with an estd 1.5 hrs of fuel on board. When the acft did not return, a search was initiated. Subsequently, it was fnd by fishermen, submergedin a lake…May 6, 1987 · N25991 · DestroyedNTSB CHI85FAMS2Accident · 2 fatalMissing aircraftFinal reportCessna 170B · Chicago(L.Mich), ILAt an unknown time during the night of July 25/26 the acft crashed into lake Michigan. Exact wx conditions are unknown. The passenger was recovered from the lake the next morning, along with the two crushed front seats and two buckled interior side panels.…Jul 25, 1985 · N3160B · DestroyedNTSB CHI85FA259Accident · 2 fatalField investigationFinal reportTaylorcraft BC12-D1 · Mundelein, ILThe acft contacted terrain in a near vertical attitude aprx 1/4 mile east of the plt's private airstrip. There were no witnesses to the accident, however, the acft was observed flying at low altitudes prior to the accident. An autopsy report on the passenger…Jun 28, 1985 · N44340 · DestroyedNTSB CHI84LA090Accident · No injuriesLimited investigationFinal reportCessna 210D · Rockford, ILThe plt was on a maintenance test flt to check the landing gear hydraulic power pac. He was unable to lower the main landing gear and landed with the nosewheel down. Examination of the hydraulic pac after the accident revealed that the hydraulic system had…Jan 19, 1984 · N502RF · Substantial damageNTSB CHI83FA365Accident · 1 fatalField investigationFinal reportCessna 182 · Marseilles, ILThe acft was on a parachute jumping mission. After climbing to 9000 ft MSL, 4 sky divers jumped out & the plt began a descent back to the arpt. The acft was seen level at aprx 500 ft AGL & in the aprx position for a downwind leg for a left pattern for runway…Aug 6, 1983 · N6351A · DestroyedNTSB CHI75IC013Incident · No injuriesClosedBoeing 727 · Chicago, ILAug 3, 1974 · N1643 · No damageNTSB CHI71FBQ19Accident · Serious injuriesClosedTaylorcraft BC12-D · Belle Rive, ILOct 5, 1970 · N94900 · Substantial damageNTSB CHI70AC053Accident · 2 fatalClosedCessna 150G · Rantoul, ILFeb 16, 1970 · N2968J · DestroyedNTSB CHI69A0061Accident · 1 fatalClosedPiper PA-23 · Chicago, ILDec 12, 1968 · N4878P · DestroyedNTSB CHI68A0081Accident · 6 fatalClosedDehaviland DH104 · Chicago, ILMar 8, 1968 · N999NJ · Destroyed