# NTSB investigations, 1973: Unknown

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB LAX74OL051](https://openairdocs.org/ntsb/LAX74OL051.md): Cessna 310 · Mazatlan, Mexico · Accident · No injuries · Closed · Dec 26, 1973 · N3092D · Substantial damage
- [NTSB LAX74OL049](https://openairdocs.org/ntsb/LAX74OL049.md): Mooney M20C · Mulege, Mexico · Accident · 4 fatal · Closed · Dec 22, 1973 · N9082V · Destroyed
- [NTSB DEN74FQG02](https://openairdocs.org/ntsb/DEN74FQG02.md): Cessna TU206F · Jal, NM · Accident · No injuries · Closed · Dec 18, 1973 · N51404 · Substantial damage
- [NTSB FTW74DRD20](https://openairdocs.org/ntsb/FTW74DRD20.md): Cessna 182 · Mexico City, Mexico · Accident · 2 fatal · Closed · Dec 7, 1973 · N869TX · Substantial damage
- [NTSB FTW74DRJ26](https://openairdocs.org/ntsb/FTW74DRJ26.md): Piper PA-23 · Vera Cruz, Mexico · Accident · No injuries · Closed · Dec 5, 1973 · N14348 · Substantial damage
- [NTSB ANC74AA048](https://openairdocs.org/ntsb/ANC74AA048.md): Aeronca 15AC · Missing Aircraft · Accident · 1 fatal · Closed · Nov 25, 1973 · N1373H · Destroyed
- [NTSB CHI74AC030](https://openairdocs.org/ntsb/CHI74AC030.md): Cessna 337 · Mackinac Cty, MI · Accident · 1 fatal · Closed · Oct 3, 1973 · N1876M · Destroyed
- [NTSB LAX74OL032](https://openairdocs.org/ntsb/LAX74OL032.md): Aero Comdr 100 · Hermosillo, Mexico · Accident · 2 fatal · Closed · Sep 29, 1973 · N4038X · Substantial damage
- [NTSB FTW74DPJ10](https://openairdocs.org/ntsb/FTW74DPJ10.md): Helio Acft H-295 · Olustee, OK · Accident · No injuries · Closed · Sep 28, 1973 · N6473V · Substantial damage
- [NTSB MIA74AM021](https://openairdocs.org/ntsb/MIA74AM021.md): Cessna 150 · Missing Acft · Accident · 3 fatal · Closed · Aug 26, 1973 · N50143 · Destroyed
- [NTSB MIA74AM017](https://openairdocs.org/ntsb/MIA74AM017.md): Beech S35 · Missing Aircraft · Accident · 4 fatal · Closed · Aug 10, 1973 · N7956K · Destroyed
- [NTSB CHI74AC013](https://openairdocs.org/ntsb/CHI74AC013.md): Piper PA-28 · St.Ignace, MI · Accident · 4 fatal · Closed · Aug 7, 1973 · N4737L · Destroyed
- [NTSB FTW74DRA15](https://openairdocs.org/ntsb/FTW74DRA15.md): Piper PA-28 · Empalme, Mexico · Accident · 1 fatal · Closed · Jul 31, 1973 · N5198L · Destroyed
- [NTSB SEA74AS002](https://openairdocs.org/ntsb/SEA74AS002-201645.md): Piper PA-22 · Missing Aircraft · Accident · 2 fatal · Closed · Jul 11, 1973 · N5017Z · Destroyed
- [NTSB OAK74AP001](https://openairdocs.org/ntsb/OAK74AP001.md): Amer Avco AA1 · Garberville, CA · Accident · 2 fatal · Closed · Jul 4, 1973 · N5692L · Destroyed
- [NTSB FTW73FRG93](https://openairdocs.org/ntsb/FTW73FRG93.md): Grumman G-164A · Laferia, TX · Accident · 1 fatal · Closed · Jun 28, 1973 · N7805 · Destroyed
- [NTSB LAX73DUM38](https://openairdocs.org/ntsb/LAX73DUM38.md): Mooney M20E · Borrego Spg, CA · Accident · No injuries · Closed · Jun 14, 1973 · N7843V · Substantial damage
- [NTSB LAX73FUQ37](https://openairdocs.org/ntsb/LAX73FUQ37.md): Expermental Toot · Santa Susan, CA · Accident · 1 fatal · Closed · Jun 2, 1973 · N606N · Destroyed
- [NTSB MIA73AM103](https://openairdocs.org/ntsb/MIA73AM103.md): Navion A · Missing Aircraft · Accident · 2 fatal · Closed · May 25, 1973 · N5126K · Destroyed
- [NTSB LAX74OL025](https://openairdocs.org/ntsb/LAX74OL025.md): Cessna 175 · San L Gonzaga, Mexico · Accident · 3 fatal · Closed · Apr 30, 1973 · N7059M · Destroyed
- [NTSB NYC73AN130](https://openairdocs.org/ntsb/NYC73AN130.md): Piper PA-28 · Missing Aircraft · Accident · 1 fatal · Closed · Mar 31, 1973 · N8076N · Destroyed
- [NTSB MIA73AM097](https://openairdocs.org/ntsb/MIA73AM097.md): Cessna 172 · Missing Aircraft · Accident · 1 fatal · Closed · Mar 28, 1973 · N7050T · Destroyed
- [NTSB FTW73AF053](https://openairdocs.org/ntsb/FTW73AF053.md): Bell 206B · Patterson, LA · Accident · 2 fatal · Closed · Mar 20, 1973 · N36AL · Destroyed
- [NTSB CHI73AC076](https://openairdocs.org/ntsb/CHI73AC076.md): Beech E18S · Missing Aircraft · Accident · 1 fatal · Closed · Mar 20, 1973 · N1900R · Destroyed
- [NTSB IAD73AI005](https://openairdocs.org/ntsb/IAD73AI005.md): Cessna 172F · Mcclellanville, SC · Accident · 2 fatal · Closed · Mar 9, 1973 · N5310R · Destroyed
- [NTSB NYC73AN111](https://openairdocs.org/ntsb/NYC73AN111.md): Cessna 210 · Missing Aircraft · Accident · 2 fatal · Closed · Jan 28, 1973 · N6710R · Destroyed
- [NTSB NYC73AN103](https://openairdocs.org/ntsb/NYC73AN103.md): Cessna 150K · Missing Aircraft · Accident · 1 fatal · Closed · Jan 14, 1973 · N6253G · Destroyed
- [NTSB MIA73AM072](https://openairdocs.org/ntsb/MIA73AM072.md): Beech E35 · Mobile, AL · Accident · 5 fatal · Closed · Jan 6, 1973 · N3294C · Destroyed

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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") = 1973
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 990)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/990/cases?year=1973

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.