NTSB investigations, 1971

941 cases where the phase of flight was Enroute.

Cases per year

19622026
NTSB investigations, 1971 per year, 1962–2026: 35,881 cases
196218
196328
1964703
1965750
1966856
1967893
1968881
1969995
1970996
1971941
1972894
1973935
1974968
1975977
1976927
1977936
19781,018
1979968
1980873
1981881
1982786
1983734
1984747
1985704
1986693
1987616
1988656
1989590
1990548
1991574
1992542
1993533
1994498
1995506
1996511
1997466
1998467
1999452
2000451
2001396
2002407
2003415
2004380
2005390
2006325
2007353
2008256
2009309
2010269
2011287
2012309
2013280
2014258
2015295
2016324
2017275
2018340
2019348
2020248
2021323
2022312
2023322
2024368
2025348
2026232

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\") = 1971
    AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 400)
  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 MIA72FKT37Accident · No injuriesClosedPiper PA-30 · Boca Chica, FLDec 31, 1971 · N718JR · Substantial damageNTSB NYC72FIG16Accident · No injuriesClosedCessna 150J · Crownsville, MDDec 30, 1971 · N50534 · Substantial damageNTSB NYC72FIA11Accident · Minor injuriesClosedPiper PA-28 · Front Royal, VADec 29, 1971 · N1953T · Substantial damageNTSB MKC72AK042Accident · Serious injuriesClosedBoeing 727 · Kansas City, MODec 29, 1971 · N7277F · No damageNTSB MIA72FKW13Accident · No injuriesClosedPiper PA-24 · Brentwood, TNDec 29, 1971 · N6425P · Substantial damageNTSB MKC72DTK14Accident · No injuriesClosedAeronca 7AC · De Smet, SDDec 28, 1971 · N3731E · Substantial damageNTSB MIA72DLG21Accident · No injuriesClosedCessna 172 · Lancaster, SCDec 28, 1971 · N8560X · Substantial damageNTSB MIA72AM061Accident · 3 fatalClosedSiai-Marche S205 · Carters, GADec 28, 1971 · N995WA · DestroyedNTSB LAX72DVA41Accident · No injuriesClosedPiper PA-24 · Bakersfield, CADec 28, 1971 · N9085P · Substantial damageNTSB FTW72FPJ27Accident · Serious injuriesClosedMooney M20C · Blair, OKDec 28, 1971 · N7896V · DestroyedNTSB MIA72OKT38Accident · No injuriesClosedBeech B90 · No.Atlantic Ocean (Atlantic Ocean)Dec 27, 1971 · N480K · DestroyedNTSB LAX72DUJ61Accident · No injuriesClosedCessna 172 · Tucson, AZDec 27, 1971 · N78220 · DestroyedNTSB DEN72DTE52Accident · Minor injuriesClosedCessna 150 · Walsenburg, CODec 27, 1971 · N3082S · Substantial damageNTSB MIA72FLG20Accident · Minor injuriesClosedCessna 172D · Clinton, SCDec 26, 1971 · N2441U · DestroyedNTSB LAX72FUD05Accident · No injuriesClosedErco 415-CD · Pasadena, CADec 26, 1971 · N3148H · Substantial damageNTSB LAX72DUQ53Accident · No injuriesClosedCessna 140 · Van Nuys, CADec 26, 1971 · N3585V · Substantial damageNTSB DEN72AD030Accident · 5 fatalClosedCessna 411 · Stockton, UTDec 26, 1971 · N411Q · DestroyedNTSB SEA72DYA22Accident · No injuriesClosedAeronca 11AC · Brogan, ORDec 25, 1971 · N3175E · Substantial damageNTSB NYC72FGM27Accident · Serious injuriesClosedBeech 23 · Mcmurray, PADec 25, 1971 · N2379Z · Substantial damageNTSB MIA72FKG62Accident · Serious injuriesClosedMooney M-20F · Columbus, GADec 25, 1971 · N9592M · Substantial damageNTSB OAK72FVD29Accident · Serious injuriesClosedCessna 150 · Livermore, CADec 24, 1971 · N6675G · Substantial damageNTSB MKC72FCJ42Accident · No injuriesClosedTemco GC-1B · Grand Island, NEDec 24, 1971 · N2329B · Substantial damageNTSB MIA72FKG63Accident · Minor injuriesClosedPiper PA-28 · Homerville, GADec 24, 1971 · N7260F · Substantial damageNTSB FTW72DRJ18Accident · No injuriesClosedCessna P206B · Hooks, TXDec 24, 1971 · N4778F · Substantial damageNTSB FTW72AF040Accident · 2 fatalClosedPiper PA-28 · Sonora, TXDec 24, 1971 · N9633J · DestroyedNTSB MIA72DKG61Accident · Minor injuriesClosedCessna 172H · Athens, GADec 23, 1971 · N3852R · Substantial damageNTSB MIA72AM060Accident · Serious injuriesClosedDouglas DC-8 · No.Atlantic Ocean (Atlantic Ocean)Dec 23, 1971 · N8613 · No damageNTSB FTW72DRD18Accident · No injuriesClosedCessna 172K · Gonzales, LADec 23, 1971 · N46421 · Substantial damageNTSB OAK72AP021Accident · 2 fatalClosedCessna 177A · Las Vegas, NVDec 22, 1971 · N30521 · DestroyedNTSB MIA72FLG19Accident · Serious injuriesClosedPiper PA-28 · Charleston, SCDec 22, 1971 · N8253N · Substantial damageNTSB LAX72AL042Accident · 3 fatalClosedCessna 172K · Newhall, CADec 22, 1971 · N46509 · DestroyedNTSB CHI72FEC20Accident · No injuriesClosedCessna 172G · Corunna, MIDec 22, 1971 · N4142L · Substantial damageNTSB MIA72OM062Accident · Serious injuriesClosedBeech D18S · Kingston, JamaicaDec 21, 1971 · N711K · Substantial damageNTSB NYC72FKM17Accident · Minor injuriesClosedCessna 182 · Charlotte, NCDec 20, 1971 · N2152G · Substantial damageNTSB MKC72AK039Accident · 1 fatalClosedCessna 150 · Ashland, NEDec 20, 1971 · N23217 · DestroyedNTSB MIA72DKT39Accident · No injuriesClosedCessna 140 · Deerfld Beach, FLDec 20, 1971 · N2938N · Substantial damageNTSB DEN72AD027Accident · 1 fatalClosedAmer Avco AA1A · Tucson, AZDec 19, 1971 · N9249L · DestroyedNTSB CHI72AC053Accident · 2 fatalClosedPiper PA-30 · Bowlng Green, OHDec 18, 1971 · N8083Y · DestroyedNTSB MIA72DLA26Accident · Minor injuriesClosedBell 47D1 · Milton, FLDec 17, 1971 · N3109G · Substantial damageNTSB MKC72AK036Accident · No injuriesClosedPiper PA-32 · Topeka, KSDec 15, 1971 · N4105W · Substantial damageNTSB FTW72FRA26Accident · No injuriesClosedLuscomb 8E · Conroe, TXDec 15, 1971 · N1850K · Substantial damageNTSB OAK72FVM20Accident · 1 fatalClosedN.American SNJ-5B · Gonzales, CADec 14, 1971 · N3437G · DestroyedNTSB OAK72AP018Accident · 1 fatalClosedCessna 182M · Reno, NVDec 14, 1971 · N71592 · DestroyedNTSB DEN72AD026Accident · 1 fatalClosedN.American AT-6G · Eldora, CODec 14, 1971 · N160JN · DestroyedNTSB SEA72AS028Accident · 3 fatalClosedCessna T337D · Vale, ORDec 13, 1971 · N86371 · DestroyedNTSB MKC72AK035Accident · 2 fatalClosedPiper PA-28 · Success, MODec 13, 1971 · N2185T · DestroyedNTSB MIA72FLD31Accident · No injuriesClosedPiper J3L-65 · Avon Park, FLDec 13, 1971 · N30842 · Substantial damageNTSB NYC72FNE18Accident · Serious injuriesClosedCessna 150J · Goshen, MADec 12, 1971 · N61180 · Substantial damageNTSB NYC72FNE17Accident · No injuriesClosedCommonwlth 185 · Middlebury, CTDec 12, 1971 · N92914 · Substantial damageNTSB NYC72FIA09Accident · 2 fatalClosedLake LA-4A · Laplata, MDDec 12, 1971 · N1001L · Destroyed