NTSB investigations, TN

32 cases where the phase of flight was Uncontrolled descent.

Cases per year

19642026
NTSB investigations, TN per year, 1964–2026: 32 cases
19644
19651
19662
19671
19681
19692
19703
19712
19722
19731
19742
19751
19772
19781
19792
19802
19812
20061

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\" = 'TN' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 650)
  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 CHI07FA046Accident · 2 fatalField investigationFinal reportRockwell International 114 · Jasper, TNThe pilot's inability to maintain altitude due to excessive airframe ice accretion, resulting in an in-flight collision with trees and terrain. Additional causes were the pilot's continued flight in icing conditions once they had been encountered, and his…Dec 26, 2006 · N55MB · Substantial damageNTSB ATL81FA100Accident · 4 fatalClosedPiper PA-24 · Center Grove, TNJul 23, 1981 · N5472P · DestroyedNTSB MKC81FA012Accident · No injuriesClosedBeech F35 · Paris, TNJan 1, 1981 · N266S · Substantial damageNTSB ATL81FA021Accident · 4 fatalClosedCessna T210N · Tazewell, TNDec 2, 1980 · N4846C · DestroyedNTSB ATL80FA065Accident · 5 fatalClosedPiper PA-23 · Rockford, TNJul 3, 1980 · N6087Y · DestroyedNTSB IAD80FA002Accident · 2 fatalClosedMooney M20J · Pikeville, TNOct 4, 1979 · N201YY · DestroyedNTSB IAD79FKW14Accident · No injuriesClosedSchleicher KA8B · Benton, TNMay 26, 1979 · N170DR · DestroyedNTSB IAD79FA008Accident · 2 fatalClosedCessna 310I · Portland, TNNov 7, 1978 · N8037M · DestroyedNTSB IAD78FA018Accident · 2 fatalClosedCessna 172H · Dickson, TNDec 4, 1977 · N75923 · DestroyedNTSB IAD77FA064Accident · 2 fatalClosedPiper PA-28 · Harriman, TNSep 5, 1977 · N32044 · DestroyedNTSB IAD76AI044Accident · 4 fatalClosedBellanca 17-31 · Butler, TNDec 25, 1975 · N14707 · DestroyedNTSB IAD75AI034Accident · 3 fatalClosedPiper PA-28R · Toone, TNNov 30, 1974 · N5092S · DestroyedNTSB IAD75AI012Accident · 1 fatalClosedCessna A188B · Smyrna, TNSep 13, 1974 · N53235 · DestroyedNTSB IAD74AI021Accident · 1 fatalClosedCessna 172 · Lewisburg, TNOct 13, 1973 · N7108T · DestroyedNTSB MIA73DKW11Accident · Serious injuriesClosedCessna 177 · Flagpond, TNNov 25, 1972 · N2360Y · Substantial damageNTSB MIA72AM080Accident · 2 fatalClosedCessna 182D · Morrison, TNFeb 13, 1972 · N9044X · DestroyedNTSB MIA72AM015Accident · 2 fatalClosedCessna 421A · Athens, TNAug 20, 1971 · N3198K · DestroyedNTSB MIA71AM110Accident · 2 fatalClosedPiper PA-28 · Murfreesboro, TNJun 9, 1971 · N5115L · DestroyedNTSB MIA71AM028Accident · 2 fatalClosedBeech 23 · Gates, TNSep 18, 1970 · N2331Q · DestroyedNTSB MIA71AM006Accident · 1 fatalClosedPiper PA-28 · Hillsboro, TNJul 9, 1970 · N7223F · DestroyedNTSB MIA70AM066Accident · 2 fatalClosedPiper PA-24 · Tellico Plns, TNFeb 9, 1970 · N8321P · DestroyedNTSB MIA69F0341Accident · Minor injuriesClosedBell 47G-3B · Kingsport, TNJan 18, 1969 · N204Z · DestroyedNTSB MIA69A0038Accident · 6 fatalClosedPiper PA-31 · Jamestown, TNJan 6, 1969 · N440DL · DestroyedNTSB MIA69A0025Accident · 1 fatalClosedCessna 150G · Fayetteville, TNNov 4, 1968 · N8501J · DestroyedNTSB MIA67A0131Accident · 3 fatalClosedMaule M4 · Crossville, TNJun 30, 1967 · N9818M · DestroyedNTSB MIA67A0062Accident · 1 fatalClosedAero Comdr 680 · Spring City, TNDec 2, 1966 · N6857S · DestroyedNTSB MIA67A0054Accident · 1 fatalClosedMooney M20C · Roan Mountn, TNJul 30, 1966 · N6054Q · DestroyedNTSB MIA66F0336Accident · No injuriesClosedErcoupe 415-C · Winchester, TNNov 28, 1965 · N3084H · Substantial damageNTSB UNK65X1193Accident · 5 fatalClosedPiper PA-22 · Pelham, TNDec 30, 1964 · N8655D · DestroyedNTSB UNK65X0843Accident · 1 fatalClosedCessna 172 · Troy, TNNov 26, 1964 · N8059B · DestroyedNTSB UNK65X0603Accident · 2 fatalClosedBeechcraft 23 · Grd Junction, TNNov 7, 1964 · N8713M · DestroyedNTSB UNK64X3140Accident · 2 fatalClosedBeechcraft 35-B33 · Nashville, TNJul 31, 1964 · N8972M · Destroyed