# 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 30 of 40 · 1,978 cases

## Cases, newest first

- [NTSB DEN81FA066](https://openairdocs.org/ntsb/DEN81FA066.md): Beech C33 · Dubois, WY · Accident · 4 fatal · Closed · Oct 22, 1979 · N60234 · Destroyed
- [NTSB FTW80DPG03](https://openairdocs.org/ntsb/FTW80DPG03.md): Bellanca 7ECA · Batesville, AR · Accident · No injuries · Closed · Oct 16, 1979 · N6308N · Substantial damage
- [NTSB MIA80DA002](https://openairdocs.org/ntsb/MIA80DA002.md): Aero Comdr 500 · Missing Aircraft · Accident · 1 fatal · Closed · Oct 4, 1979 · N3815C · Destroyed
- [NTSB MIA79DLE01](https://openairdocs.org/ntsb/MIA79DLE01.md): Rockwell 680 · Suwannee, FL · Accident · No injuries · Closed · Sep 30, 1979 · N6822S · Substantial damage
- [NTSB MIA79RA121](https://openairdocs.org/ntsb/MIA79RA121.md): Curtis-Wrt C-46D · South Caicos, Tokelau · Accident · No injuries · Closed · Sep 12, 1979 · N7768B · Substantial damage
- [NTSB MIA79DA124](https://openairdocs.org/ntsb/MIA79DA124.md): Cessna 182 · Missing Aircraft · Accident · 3 fatal · Closed · Sep 9, 1979 · N2183R · Destroyed
- [NTSB ANC79FA089](https://openairdocs.org/ntsb/ANC79FA089.md): Hughes 269A · Ketchikan, AK · Accident · Closed · Sep 8, 1979 · N8746F · Substantial damage
- [NTSB MIA79FA116](https://openairdocs.org/ntsb/MIA79FA116.md): Convair 440 · San Juan, PR · Accident · No injuries · Closed · Aug 25, 1979 · N14478 · Substantial damage
- [NTSB ANC79FA077](https://openairdocs.org/ntsb/ANC79FA077.md): Cessna 206 · Ivan Slough, AK · Accident · 4 fatal · Closed · Aug 5, 1979 · N734YS · Destroyed
- [NTSB NYC80FAMS1](https://openairdocs.org/ntsb/NYC80FAMS1.md): Cessna 310 · Missing Aircraft · Accident · 2 fatal · Closed · Jul 15, 1979 · N181D · Destroyed
- [NTSB LAX79FAMS3](https://openairdocs.org/ntsb/LAX79FAMS3.md): Piper PA-28 · Missing Aircraft · Accident · 2 fatal · Closed · Jul 1, 1979 · N3494M · Destroyed
- [NTSB FTW79DRA33](https://openairdocs.org/ntsb/FTW79DRA33.md): Cessna 152 · Beaumont, TX · Accident · Minor injuries · Closed · Jul 1, 1979 · N89215 · Substantial damage
- [NTSB MIA79FA100](https://openairdocs.org/ntsb/MIA79FA100.md): Cessna 150J · Missing Aircraft · Accident · 2 fatal · Closed · Jun 30, 1979 · N60936 · Destroyed
- [NTSB OAK79DAMS6](https://openairdocs.org/ntsb/OAK79DAMS6.md): Piper PA-28 · Maui, HI · Accident · 2 fatal · Closed · Jun 25, 1979 · N30775 · Destroyed
- [NTSB OAK79FXQ26](https://openairdocs.org/ntsb/OAK79FXQ26.md): Vickers T-65 · Minden, NV · Accident · 1 fatal · Closed · Jun 20, 1979 · N9023N · Destroyed
- [NTSB MKC79FTK17](https://openairdocs.org/ntsb/MKC79FTK17-135722.md): Cessna 152 · Delmont, SD · Accident · No injuries · Closed · Jun 10, 1979 · N65583 · Substantial damage
- [NTSB LAX79DUK13](https://openairdocs.org/ntsb/LAX79DUK13.md): Rockwell 112TC · Tucson, AZ · Accident · No injuries · Closed · Jun 6, 1979 · N4564W · Destroyed
- [NTSB MIA79FAMS2](https://openairdocs.org/ntsb/MIA79FAMS2.md): Cessna 182 · Missing Aircraft · Accident · 2 fatal · Closed · May 31, 1979 · N618WC · Destroyed
- [NTSB IAD80FA041](https://openairdocs.org/ntsb/IAD80FA041.md): Cessna 182 · Waynesville, NC · Accident · 2 fatal · Closed · May 31, 1979 · N618WC · Destroyed
- [NTSB FTW79FPJ19](https://openairdocs.org/ntsb/FTW79FPJ19.md): Piper PA-36 · Boise City, OK · Accident · 1 fatal · Closed · May 27, 1979 · N9978P · Destroyed
- [NTSB ANC79DA051](https://openairdocs.org/ntsb/ANC79DA051.md): Piper PA-22 · Valdez, AK · Accident · 1 fatal · Closed · May 20, 1979 · N1912P · Destroyed
- [NTSB MIA79FA075](https://openairdocs.org/ntsb/MIA79FA075.md): Piper PA-28R · Missing Aircraft · Accident · 4 fatal · Closed · Apr 24, 1979 · N7480J · Destroyed
- [NTSB MIA79FLD59](https://openairdocs.org/ntsb/MIA79FLD59.md): Cessna 421C · Kenansville, FL · Accident · No injuries · Closed · Apr 23, 1979 · N8432N · Destroyed
- [NTSB FTW79FQG27](https://openairdocs.org/ntsb/FTW79FQG27.md): Hughes 269A-1 · Slaton, TX · Accident · Serious injuries · Closed · Apr 5, 1979 · N8960F · Destroyed
- [NTSB MIA79DA072](https://openairdocs.org/ntsb/MIA79DA072.md): Beech E18S · Missing Aircraft · Accident · 1 fatal · Closed · Apr 2, 1979 · N4442 · Destroyed
- [NTSB OAK79FAMS4](https://openairdocs.org/ntsb/OAK79FAMS4.md): Piper PA-28 · Missing Aircraft · Accident · 1 fatal · Closed · Mar 9, 1979 · N8875J · Destroyed
- [NTSB OAK79DVW10](https://openairdocs.org/ntsb/OAK79DVW10.md): Cessna 172 · Gabbs, NV · Accident · No injuries · Closed · Feb 27, 1979 · N64216 · Destroyed
- [NTSB SEA79FAMS3](https://openairdocs.org/ntsb/SEA79FAMS3.md): Cessna 172M · Missing Aircraft · Accident · 2 fatal · Closed · Feb 9, 1979 · N12752 · Destroyed
- [NTSB SEA79FA034](https://openairdocs.org/ntsb/SEA79FA034.md): Cessna 172 · Camas, WA · Accident · 2 fatal · Closed · Feb 9, 1979 · N12752 · Destroyed
- [NTSB FTW79DPJ04](https://openairdocs.org/ntsb/FTW79DPJ04.md): Beech E50 · Frederick, OK · Accident · No injuries · Closed · Feb 9, 1979 · N4376D · Substantial damage
- [NTSB CHI79DEP29](https://openairdocs.org/ntsb/CHI79DEP29.md): Piccard AX-3 · Missing Aircraft · Accident · 1 fatal · Closed · Feb 6, 1979 · N51880 · Destroyed
- [NTSB OAK79FAMS1](https://openairdocs.org/ntsb/OAK79FAMS1.md): Piper PA-23 · Missing Aircraft · Accident · 4 fatal · Closed · Feb 3, 1979 · N1330P · Destroyed
- [NTSB MIA79DA043](https://openairdocs.org/ntsb/MIA79DA043.md): Beech A23A · Missing Aircraft · Accident · 2 fatal · Closed · Jan 11, 1979 · N925RZ · Destroyed
- [NTSB ANC79FA031](https://openairdocs.org/ntsb/ANC79FA031.md): Piper PA-18 · Eureka Lodge, AK · Accident · 1 fatal · Closed · Jan 10, 1979 · N82913 · Destroyed
- [NTSB MIA79DA019](https://openairdocs.org/ntsb/MIA79DA019.md): Piper PA-23 · Missing Aircraft · Accident · 4 fatal · Closed · Nov 20, 1978 · N54615 · Destroyed
- [NTSB ANC79DA021](https://openairdocs.org/ntsb/ANC79DA021.md): Lake LA-4 · Missing Aircraft · Accident · 2 fatal · Closed · Nov 19, 1978 · N2767P · Destroyed
- [NTSB MIA79FA017](https://openairdocs.org/ntsb/MIA79FA017.md): Piper PA-28 · Jacksonville, FL · Accident · 1 fatal · Closed · Nov 12, 1978 · N3409Q · Destroyed
- [NTSB UNK79X0100](https://openairdocs.org/ntsb/UNK79X0100.md): Cessna 182 · Grand Bahama, Burkina Faso · Accident · No injuries · Closed · Nov 3, 1978 · N7057S · Destroyed
- [NTSB OAK79FA009](https://openairdocs.org/ntsb/OAK79FA009.md): Mooney M20J · Capay, CA · Accident · 3 fatal · Closed · Nov 1, 1978 · N201WQ · Destroyed
- [NTSB ANC79FA006](https://openairdocs.org/ntsb/ANC79FA006.md): Cessna 185 · Ketchikan, AK · Accident · 1 fatal · Closed · Oct 15, 1978 · N70269 · Destroyed
- [NTSB SEA79FA003](https://openairdocs.org/ntsb/SEA79FA003.md): Piper PA-18S · Bozeman, MT · Accident · 2 fatal · Closed · Oct 13, 1978 · N302T · Destroyed
- [NTSB ANC78DA081](https://openairdocs.org/ntsb/ANC78DA081.md): Cessna 411 · Missing Aircraft · Accident · 3 fatal · Closed · Sep 17, 1978 · N1EC · Destroyed
- [NTSB ANC78FA078](https://openairdocs.org/ntsb/ANC78FA078.md): Dehavilland DHC-2 · Whittier, AK · Accident · 6 fatal · Closed · Sep 13, 1978 · N37741 · Substantial damage
- [NTSB ANC78DA083](https://openairdocs.org/ntsb/ANC78DA083.md): Cessna 185 · Missing Aircraft · Accident · 3 fatal · Closed · Sep 10, 1978 · N4871C · Destroyed
- [NTSB MIA78FKT77](https://openairdocs.org/ntsb/MIA78FKT77.md): Beech 65-A80 · South Bay, FL · Accident · 1 fatal · Closed · Sep 4, 1978 · N44SG · Destroyed
- [NTSB ANC78FA067](https://openairdocs.org/ntsb/ANC78FA067.md): Grumman G-21A · Laboucher Bay · Accident · 12 fatal · Closed · Aug 25, 1978 · N1045 · Destroyed
- [NTSB MKC78FA066](https://openairdocs.org/ntsb/MKC78FA066.md): Cessna 172N · Blaine, MN · Accident · 2 fatal · Closed · Aug 20, 1978 · N733SD · Destroyed
- [NTSB MKC78FA065](https://openairdocs.org/ntsb/MKC78FA065.md): Bell 47-G2 · Branson, MO · Accident · 3 fatal · Closed · Aug 18, 1978 · N939B · Destroyed
- [NTSB SEA78AM001](https://openairdocs.org/ntsb/SEA78AM001.md): Piper PA-28 · Missing Aircraft · Accident · 2 fatal · Closed · Aug 14, 1978 · N1661J · Destroyed
- [NTSB MIA79FA114](https://openairdocs.org/ntsb/MIA79FA114.md): Aero Comdr 560E · Bimini, Burkina Faso · Accident · 6 fatal · Closed · Aug 8, 1978 · N6227B · Destroyed

Next page: https://openairdocs.org/ntsb-phases/990/cases.md?page=31

## 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=30

---
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.