# 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 29 of 40 · 1,981 cases

## Cases, newest first

- [NTSB ANC81DA102](https://openairdocs.org/ntsb/ANC81DA102.md): Cessna 185 · Wales, AK · Accident · 2 fatal · Closed · Aug 25, 1981 · N8626Q · Destroyed
- [NTSB ANC81FA101](https://openairdocs.org/ntsb/ANC81FA101.md): Cessna 180H · Missing Aircraft · Accident · 4 fatal · Closed · Aug 17, 1981 · N3424Y · Destroyed
- [NTSB MIA82FA025](https://openairdocs.org/ntsb/MIA82FA025.md): Piper PA-23 · Bunnell, FL · Accident · 2 fatal · Closed · Aug 8, 1981 · N14185 · Destroyed
- [NTSB MIA81DKT89](https://openairdocs.org/ntsb/MIA81DKT89.md): Piper PA-31 · Homestead, FL · Accident · No injuries · Closed · Aug 5, 1981 · N7946 · Destroyed
- [NTSB LAX81FUQ27](https://openairdocs.org/ntsb/LAX81FUQ27.md): Shhreder HP-11A · Pearlblossom, CA · Accident · 1 fatal · Closed · Aug 1, 1981 · N2265C · Destroyed
- [NTSB CHI81DAMS5](https://openairdocs.org/ntsb/CHI81DAMS5.md): Cessna 180 · Missing Aircraft · Accident · 4 fatal · Closed · Aug 1, 1981 · N4988E · Destroyed
- [NTSB MIA81FA099](https://openairdocs.org/ntsb/MIA81FA099.md): Piper PA-23 · St.Thomas, VI · Accident · 1 fatal · Closed · Jul 23, 1981 · N1349P · Destroyed
- [NTSB ANC81DA073](https://openairdocs.org/ntsb/ANC81DA073.md): Cessna A185F · Missing Aircraft · Accident · 4 fatal · Closed · Jul 18, 1981 · N7607G · Destroyed
- [NTSB LAX81DVW13](https://openairdocs.org/ntsb/LAX81DVW13.md): Cessna R182 · Trona, CA · Accident · No injuries · Closed · May 20, 1981 · N737XD · Substantial damage
- [NTSB FTW81FA111](https://openairdocs.org/ntsb/FTW81FA111.md): Piper PA-23 · Palacios, TX · Accident · 1 fatal · Closed · Apr 13, 1981 · N62831 · Destroyed
- [NTSB MIA81FA047](https://openairdocs.org/ntsb/MIA81FA047.md): Piper PA-24 · Vero Beach, FL · Accident · 1 fatal · Closed · Feb 19, 1981 · N7078P · Destroyed
- [NTSB ATL81FKJ15](https://openairdocs.org/ntsb/ATL81FKJ15.md): Piper PA-32 · Mobile, GA · Accident · 1 fatal · Closed · Feb 19, 1981 · N3898W · Destroyed
- [NTSB SEA81FAMS2](https://openairdocs.org/ntsb/SEA81FAMS2.md): Beech A36-TC · Missing Aircraft · Accident · 1 fatal · Closed · Feb 12, 1981 · N36TP · Destroyed
- [NTSB LAX81DAMS2](https://openairdocs.org/ntsb/LAX81DAMS2.md): Piper PA-24 · Missing Aircraft · Accident · 2 fatal · Closed · Feb 3, 1981 · N5731P · Destroyed
- [NTSB ANC81FA017](https://openairdocs.org/ntsb/ANC81FA017.md): Grumman G-21A · Dutch Harbor, AK · Accident · 2 fatal · Closed · Jan 23, 1981 · N95468 · Destroyed
- [NTSB MIA81DA035](https://openairdocs.org/ntsb/MIA81DA035.md): Beech C35 · Missing Aircraft · Accident · 4 fatal · Closed · Jan 6, 1981 · N5805C · Destroyed
- [NTSB DEN81FTM11](https://openairdocs.org/ntsb/DEN81FTM11.md): Piper PA-28R · Ogden, UT · Accident · No injuries · Closed · Dec 24, 1980 · N29021 · Substantial damage
- [NTSB LAX81FAMS1](https://openairdocs.org/ntsb/LAX81FAMS1.md): Cessna 152 · Missing Aircraft · Accident · 1 fatal · Closed · Dec 18, 1980 · N757RB · Destroyed
- [NTSB ATL81FKG05](https://openairdocs.org/ntsb/ATL81FKG05-201166.md): Beech 200 · Alma, GA · Accident · No injuries · Closed · Dec 16, 1980 · N300CP · Substantial damage
- [NTSB ANC81FA007](https://openairdocs.org/ntsb/ANC81FA007.md): Cessna U206 · Missing Aircraft · Accident · 1 fatal · Closed · Nov 28, 1980 · N1EH · Destroyed
- [NTSB FTW81FPM01](https://openairdocs.org/ntsb/FTW81FPM01.md): Benson B8M · Tulsa, OK · Accident · 1 fatal · Closed · Oct 9, 1980 · N475 · Destroyed
- [NTSB ATL81IA004](https://openairdocs.org/ntsb/ATL81IA004.md): Fairchild F-27 · Raliegh, NC · Incident · No injuries · Closed · Oct 9, 1980 · N112TA · Minor damage
- [NTSB MIA81FLD01](https://openairdocs.org/ntsb/MIA81FLD01.md): Cessna 320 · Fellsmere, FL · Accident · No injuries · Closed · Oct 3, 1980 · N3320Q · Destroyed
- [NTSB MIA80FLD96](https://openairdocs.org/ntsb/MIA80FLD96.md): Beech 65-B80 · Lake Marion, FL · Accident · No injuries · Closed · Sep 7, 1980 · N242Q · Destroyed
- [NTSB SEA80FAMS4](https://openairdocs.org/ntsb/SEA80FAMS4.md): Piper PA-24 · Missing Aircraft · Accident · 1 fatal · Closed · Aug 31, 1980 · N21170 · Destroyed
- [NTSB MIA80DA094](https://openairdocs.org/ntsb/MIA80DA094.md): Beech 65-80 · Pt.Maria (Gulf of Mexico) · Accident · 1 fatal · Closed · Aug 25, 1980 · N218K · Destroyed
- [NTSB MIA80DA093](https://openairdocs.org/ntsb/MIA80DA093.md): Piper PA-23 · Little Rag Is (Atlantic Ocean) · Accident · 1 fatal · Closed · Aug 23, 1980 · N5076Y · Destroyed
- [NTSB LAX80FA115](https://openairdocs.org/ntsb/LAX80FA115.md): Cessna 172M · Tombstone, AZ · Accident · 2 fatal · Closed · Jul 4, 1980 · N73290 · Destroyed
- [NTSB MIA80DA079](https://openairdocs.org/ntsb/MIA80DA079.md): Erco 415-D · Missing Aircraft · Accident · 2 fatal · Closed · Jun 28, 1980 · N3808H · Destroyed
- [NTSB SEA80FAMS3](https://openairdocs.org/ntsb/SEA80FAMS3.md): Cessna 182G · Missing Aircraft · Accident · 3 fatal · Closed · Jun 22, 1980 · N3789U · Destroyed
- [NTSB CHI80FEK15](https://openairdocs.org/ntsb/CHI80FEK15.md): Schleicher ASW-20 · Mt.Sterling, OH · Accident · 1 fatal · Closed · Jun 19, 1980 · N707PG · Destroyed
- [NTSB ANC80FA054](https://openairdocs.org/ntsb/ANC80FA054.md): Cessna 150 · Dillingham, AK · Accident · 1 fatal · Closed · Jun 15, 1980 · N5909G · Destroyed
- [NTSB MIA80FA066](https://openairdocs.org/ntsb/MIA80FA066.md): Piper PA-31P · Ocala, FL · Accident · No injuries · Closed · Jun 4, 1980 · N7651L · Destroyed
- [NTSB LAX80FAMS2](https://openairdocs.org/ntsb/LAX80FAMS2.md): Beech T-34B · Missing Aircraft · Accident · 2 fatal · Closed · May 28, 1980 · N34MN · Destroyed
- [NTSB LAX80FXQ28](https://openairdocs.org/ntsb/LAX80FXQ28.md): Cessna 172A · Tahoe City, CA · Accident · 2 fatal · Closed · May 25, 1980 · N7803T · Substantial damage
- [NTSB LAX80FUM20](https://openairdocs.org/ntsb/LAX80FUM20.md): Cessna 177RG · El Cajon, CA · Accident · No injuries · Closed · May 8, 1980 · N1819Q · Substantial damage
- [NTSB FTW80FAMS3](https://openairdocs.org/ntsb/FTW80FAMS3.md): Grum-Amer GA-7 · Corpus Christi, TX · Accident · 4 fatal · Closed · May 7, 1980 · N710GA
- [NTSB MIA80FKT45](https://openairdocs.org/ntsb/MIA80FKT45.md): Cessna 404 · Miami, FL · Accident · Serious injuries · Closed · Apr 25, 1980 · N3994C · Destroyed
- [NTSB NYC80FAMS4](https://openairdocs.org/ntsb/NYC80FAMS4.md): Cessna 150 · Missing Aircraft · Accident · 1 fatal · Closed · Apr 19, 1980 · N19593 · Destroyed
- [NTSB IAD80FA071](https://openairdocs.org/ntsb/IAD80FA071.md): Hughes 500 · Stephensville, MD · Accident · 2 fatal · Closed · Mar 24, 1980 · N2769 · Destroyed
- [NTSB FTW81DA133](https://openairdocs.org/ntsb/FTW81DA133.md): Mooney M20E · Bayside, TX · Accident · 3 fatal · Closed · Mar 16, 1980 · N7135U · Destroyed
- [NTSB FTW80FAMS4](https://openairdocs.org/ntsb/FTW80FAMS4.md): Mooney 720E · Missing Aircraft · Accident · 3 fatal · Closed · Mar 16, 1980 · N7135U · Destroyed
- [NTSB FTW80FAMS2](https://openairdocs.org/ntsb/FTW80FAMS2.md): Beech A36 · Missing Aircraft · Accident · 5 fatal · Closed · Feb 21, 1980 · N3154W · Destroyed
- [NTSB FTW80FA106](https://openairdocs.org/ntsb/FTW80FA106.md): Beech A36 · Taos, NM · Accident · 5 fatal · Closed · Feb 21, 1980 · N3154W · Destroyed
- [NTSB MIA80DA043](https://openairdocs.org/ntsb/MIA80DA043.md): Beech 58 · Missing Aircraft · Accident · 1 fatal · Closed · Feb 11, 1980 · N9027Q · Destroyed
- [NTSB LAX80DUG18](https://openairdocs.org/ntsb/LAX80DUG18.md): Cessna 177 · Upland, CA · Accident · No injuries · Closed · Jan 18, 1980 · N29321 · Substantial damage
- [NTSB MIA80DA023](https://openairdocs.org/ntsb/MIA80DA023.md): Piper PA-23 · Missing Aircraft · Accident · 4 fatal · Closed · Dec 21, 1979 · N1435P · Destroyed
- [NTSB MIA80DLD21](https://openairdocs.org/ntsb/MIA80DLD21.md): Beech 95-B55 · Ft Pierce, FL · Accident · No injuries · Closed · Dec 16, 1979 · N8GS · Substantial damage
- [NTSB ANC80FA020](https://openairdocs.org/ntsb/ANC80FA020.md): Piper PA-18 · Grayling, AK · Accident · 2 fatal · Closed · Dec 4, 1979 · N4325Z · Substantial damage
- [NTSB MIA80DA020](https://openairdocs.org/ntsb/MIA80DA020.md): Beech D50B · Missing Aircraft · Accident · 1 fatal · Closed · Nov 19, 1979 · N1706 · Destroyed

Next page: https://openairdocs.org/ntsb-phases/990/cases.md?page=30

## 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=29

---
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.