# NTSB investigations: 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.

Page 32 of 40 · 1,978 cases

## Cases, newest first

- [NTSB DEN77FTE15](https://openairdocs.org/ntsb/DEN77FTE15-201377.md): Stits SA-11A · Longmont, CO · Accident · 2 fatal · Closed · Jan 13, 1977 · N3274 · Substantial damage
- [NTSB FTW77FQD05](https://openairdocs.org/ntsb/FTW77FQD05.md): Cessna 182P · El Paso, TX · Accident · No injuries · Closed · Jan 8, 1977 · N4800H · Substantial damage
- [NTSB MIA77DA022](https://openairdocs.org/ntsb/MIA77DA022.md): Piper PA-23 · Missing Aircraft · Accident · 6 fatal · Closed · Dec 28, 1976 · N4573P · Destroyed
- [NTSB MIA77FA009](https://openairdocs.org/ntsb/MIA77FA009-201369.md): Piper PA-28 · Beaufort, SC · Accident · 3 fatal · Closed · Nov 15, 1976 · N7286J · Destroyed
- [NTSB OAK76FA001](https://openairdocs.org/ntsb/OAK76FA001.md): Wildmaster 2 · Oroville, CA · Accident · 1 fatal · Closed · Oct 8, 1976 · N28524 · Destroyed
- [NTSB LAX76O0020](https://openairdocs.org/ntsb/LAX76O0020.md): Piper PA-28R · Victoria, Canada · Accident · 2 fatal · Closed · Aug 13, 1976 · N4849T · Destroyed
- [NTSB LAX76DUK05](https://openairdocs.org/ntsb/LAX76DUK05.md): Cessna 182 · Young, AZ · Accident · No injuries · Closed · Aug 13, 1976 · N2633Q · Destroyed
- [NTSB FTW76O0008](https://openairdocs.org/ntsb/FTW76O0008.md): Piper PA-28 · Missing Acft · Accident · 1 fatal · Closed · Aug 8, 1976 · N6377J · Destroyed
- [NTSB MIA760M010](https://openairdocs.org/ntsb/MIA760M010.md): Avions Mrcl Falcon · Acapulco, Mexico · Accident · 3 fatal · Closed · Aug 7, 1976 · N888AR · Destroyed
- [NTSB ANC76AA113](https://openairdocs.org/ntsb/ANC76AA113.md): Cessna 170B · Council, AK · Accident · 1 fatal · Closed · Jul 19, 1976 · N3552C · Substantial damage
- [NTSB LAX78FA074](https://openairdocs.org/ntsb/LAX78FA074-201338.md): Cessna 320 · Santa Barbara, CA · Accident · 4 fatal · Closed · Jul 13, 1976 · N5205X · Destroyed
- [NTSB SEA76FTA22](https://openairdocs.org/ntsb/SEA76FTA22.md): Cessna 177 · Hardin, MT · Accident · No injuries · Closed · Jun 5, 1976 · N34525 · Substantial damage
- [NTSB ANC76AA089](https://openairdocs.org/ntsb/ANC76AA089.md): Cessna 206 · Missing Aircraft · Accident · 1 fatal · Closed · May 11, 1976 · N59186 · Substantial damage
- [NTSB FTW76DQG58](https://openairdocs.org/ntsb/FTW76DQG58.md): Cessna 210 · Sonora, TX · Accident · No injuries · Closed · Mar 22, 1976 · N29169 · Substantial damage
- [NTSB LAX76AL058](https://openairdocs.org/ntsb/LAX76AL058.md): Bellanca 14-19 · S.Gorgonio Pk, CA · Accident · 4 fatal · Closed · Feb 6, 1976 · N9816B · Destroyed
- [NTSB FTW76AF061](https://openairdocs.org/ntsb/FTW76AF061.md): Cessna 210 · Jena, LA · Accident · 2 fatal · Closed · Jan 25, 1976 · N9490T · Destroyed
- [NTSB NYC76AN065](https://openairdocs.org/ntsb/NYC76AN065.md): Piper PA-28R · Missing Aircraft · Accident · 1 fatal · Closed · Jan 13, 1976 · N15496 · Destroyed
- [NTSB OAK76AP039](https://openairdocs.org/ntsb/OAK76AP039.md): Cessna A150K · Oakland, CA · Accident · 1 fatal · Closed · Dec 29, 1975 · N8430M · Destroyed
- [NTSB LAX7600014](https://openairdocs.org/ntsb/LAX7600014.md): Cessna 210 · Culiacan, Mexico · Accident · No injuries · Closed · Dec 25, 1975 · N5279V · Substantial damage
- [NTSB LAX76DUJ57](https://openairdocs.org/ntsb/LAX76DUJ57.md): Cessna 182 · Lukeville, AZ · Accident · No injuries · Closed · Dec 21, 1975 · N91592 · Substantial damage
- [NTSB MIA76AM052](https://openairdocs.org/ntsb/MIA76AM052.md): Cessna 172 · Missing Aircraft · Accident · 1 fatal · Closed · Dec 9, 1975 · N5182R · Destroyed
- [NTSB LAX76DUG22](https://openairdocs.org/ntsb/LAX76DUG22.md): Cessna 210E · 29 Palms, CA · Accident · No injuries · Closed · Dec 4, 1975 · N4908U · Destroyed
- [NTSB FTW76FPA16](https://openairdocs.org/ntsb/FTW76FPA16.md): Cessna 402 · Cerralvo, Mexico · Accident · No injuries · Closed · Dec 1, 1975 · N33WT · Substantial damage
- [NTSB SEA76AS030](https://openairdocs.org/ntsb/SEA76AS030.md): Piper PA-28 · Missing Aircraft · Accident · 1 fatal · Closed · Nov 28, 1975 · N3435K · Destroyed
- [NTSB LAX76AL034](https://openairdocs.org/ntsb/LAX76AL034.md): Aeronca 7AC · Missing Aircraft · Accident · 1 fatal · Closed · Nov 4, 1975 · N3342E · Destroyed
- [NTSB SEA76AS024](https://openairdocs.org/ntsb/SEA76AS024.md): Cessna 150F · Missing Aircraft · Accident · 1 fatal · Closed · Nov 2, 1975 · N8462G · Destroyed
- [NTSB FTW76AF044](https://openairdocs.org/ntsb/FTW76AF044.md): Beech E18S · Missing Aircraft · Accident · 2 fatal · Closed · Oct 28, 1975 · N5657D · Destroyed
- [NTSB DEN76O0001](https://openairdocs.org/ntsb/DEN76O0001.md): Cessna 320 · Puerta Valrto, Mexico · Accident · 4 fatal · Closed · Oct 18, 1975 · N3043R · Destroyed
- [NTSB OAK76FVA18](https://openairdocs.org/ntsb/OAK76FVA18.md): Cessna T210F · Chowchilla, CA · Accident · No injuries · Closed · Oct 8, 1975 · N6145R · Substantial damage
- [NTSB FTW76AF030](https://openairdocs.org/ntsb/FTW76AF030.md): Cessna 210E · Missing Aircraft · Accident · 1 fatal · Closed · Sep 27, 1975 · N2334F · Destroyed
- [NTSB ANC76AA043](https://openairdocs.org/ntsb/ANC76AA043.md): Beech D18C-T · Missing Aircraft · Accident · 1 fatal · Closed · Sep 22, 1975 · N3674G · Destroyed
- [NTSB LAX76A0008](https://openairdocs.org/ntsb/LAX76A0008.md): Piper PA-32 · Navajoa, Mexico · Accident · No injuries · Closed · Sep 17, 1975 · N43152 · Substantial damage
- [NTSB FTW76DQG24](https://openairdocs.org/ntsb/FTW76DQG24.md): Piper PA-24 · Christoval, TX · Accident · No injuries · Closed · Sep 16, 1975 · N7213P · Substantial damage
- [NTSB NYC76ON004](https://openairdocs.org/ntsb/NYC76ON004.md): Piper PA-30 · S Coast, Canary Islands · Accident · 2 fatal · Closed · Sep 14, 1975 · N7038Y · Substantial damage
- [NTSB ANC76AA030](https://openairdocs.org/ntsb/ANC76AA030.md): Grum Amer AA5B · Juneau, AK · Accident · 4 fatal · Closed · Aug 31, 1975 · N1567R · Destroyed
- [NTSB LAX76O0005](https://openairdocs.org/ntsb/LAX76O0005.md): Piper PA-23 · Bahia De L A, Mexico · Accident · 2 fatal · Closed · Aug 30, 1975 · N40211 · Substantial damage
- [NTSB FTW76OQD05](https://openairdocs.org/ntsb/FTW76OQD05.md): Cessna P206A · Juarez, Mexico · Accident · No injuries · Closed · Aug 24, 1975 · N4663F · Destroyed
- [NTSB LAX7600007](https://openairdocs.org/ntsb/LAX7600007.md): Piper PA-18 · Mesata Coronl, Mexico · Incident · No injuries · Closed · Aug 13, 1975 · N1331A · Minor damage
- [NTSB FTW76AF024](https://openairdocs.org/ntsb/FTW76AF024.md): Piper PA-28 · San Diego, TX · Accident · 2 fatal · Closed · Aug 9, 1975 · N3576K · Destroyed
- [NTSB CHI76AC027](https://openairdocs.org/ntsb/CHI76AC027.md): Piper PA-28 · Missing Aircraft · Accident · 1 fatal · Closed · Jul 27, 1975 · N8041N · Destroyed
- [NTSB FTW75FRJ37](https://openairdocs.org/ntsb/FTW75FRJ37.md): Navion A · Mansfield, LA · Accident · No injuries · Closed · Jun 15, 1975 · N8885H · Substantial damage
- [NTSB FTW75FRD63](https://openairdocs.org/ntsb/FTW75FRD63.md): Bell 206B · St Martinville, LA · Accident · No injuries · Closed · Jun 1, 1975 · N58099 · Destroyed
- [NTSB LAX7500033](https://openairdocs.org/ntsb/LAX7500033.md): Cessna 210L · Mesa Zamarano, Mexico · Accident · No injuries · Closed · May 24, 1975 · N59264 · Substantial damage
- [NTSB FTW75OPG89](https://openairdocs.org/ntsb/FTW75OPG89.md): Beech D18S · Jalisco, Mexico · Accident · No injuries · Closed · May 3, 1975 · N64R · Destroyed
- [NTSB SEA75AS040](https://openairdocs.org/ntsb/SEA75AS040.md): Piper J-3 · Missing Aircraft · Accident · 1 fatal · Closed · May 2, 1975 · N98722 · Destroyed
- [NTSB MIA75AM081](https://openairdocs.org/ntsb/MIA75AM081.md): Cessna 337D · Missing Aircraft · Accident · 1 fatal · Closed · May 2, 1975 · N86011 · Destroyed
- [NTSB NYC75AN101](https://openairdocs.org/ntsb/NYC75AN101.md): Piper PA-32 · Missing Aircraft · Accident · 7 fatal · Closed · Apr 27, 1975 · N294HA · Destroyed
- [NTSB MIA75DLG37](https://openairdocs.org/ntsb/MIA75DLG37.md): Cessna 150 · Opa Locka, FL · Accident · No injuries · Closed · Apr 27, 1975 · N5890G · Substantial damage
- [NTSB ANC75AA072](https://openairdocs.org/ntsb/ANC75AA072.md): Cessna 182A · Port Lyons, AK · Accident · 2 fatal · Closed · Apr 14, 1975 · N2244G · Substantial damage
- [NTSB LAX76O0012](https://openairdocs.org/ntsb/LAX76O0012.md): Lockheed PV-1 · Culiacan, Mexico · Accident · 2 fatal · Closed · Apr 1, 1975 · N730EG · Substantial damage

Next page: https://openairdocs.org/ntsb-phases/990/cases.md?page=33

## 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 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?page=32

---
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.