# NTSB investigations, 1981: 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 CHI82DAMS1](https://openairdocs.org/ntsb/CHI82DAMS1.md): Cessna 182A · Missing Aircraft · Accident · 3 fatal · Closed · Dec 4, 1981 · N5173D · Destroyed
- [NTSB LAX82DUJ08](https://openairdocs.org/ntsb/LAX82DUJ08.md): Piper PA-28 · Mesa, CA · Accident · No injuries · Closed · Nov 15, 1981 · N8089R · Destroyed
- [NTSB ATL82DKJ03](https://openairdocs.org/ntsb/ATL82DKJ03.md): Cessna T210N · Bayou La Batre, AL · Accident · No injuries · Closed · Nov 8, 1981 · N6335C · Destroyed
- [NTSB NYC82FHJ03](https://openairdocs.org/ntsb/NYC82FHJ03.md): Piper PA-30 · East Moriches, NY · Accident · No injuries · Closed · Nov 5, 1981 · N755RY · Destroyed
- [NTSB MIA82DKA03](https://openairdocs.org/ntsb/MIA82DKA03.md): Aero Comdr 520 · Cabo Rojo, PR · Accident · No injuries · Closed · Oct 23, 1981 · N4162B · Substantial damage
- [NTSB ANC82DA005](https://openairdocs.org/ntsb/ANC82DA005.md): Cessna 170B · Missing Aircraft · Accident · 1 fatal · Closed · Oct 22, 1981 · N4640C · Destroyed
- [NTSB MIA82DLD03](https://openairdocs.org/ntsb/MIA82DLD03.md): Beech D50 · Vero Beach, FL · Accident · No injuries · Closed · Oct 19, 1981 · N8WQ · Destroyed
- [NTSB MIA82FA003](https://openairdocs.org/ntsb/MIA82FA003.md): Cessna 172 · Ft.Lauderdale, FL · Accident · 3 fatal · Closed · Oct 10, 1981 · N2260E · Destroyed
- [NTSB ANC82FA002](https://openairdocs.org/ntsb/ANC82FA002.md): Piper PA-12 · Valouga Lake, AK · Accident · 2 fatal · Closed · Oct 9, 1981 · N3953M · Substantial damage
- [NTSB ANC81DA113](https://openairdocs.org/ntsb/ANC81DA113.md): Cessna 180H · Missing Aircraft · Accident · 4 fatal · Closed · Sep 2, 1981 · N3498Y · Destroyed
- [NTSB ANC81DA107](https://openairdocs.org/ntsb/ANC81DA107.md): Mooney 20 · Missing Aircraft · Accident · 1 fatal · Closed · Aug 28, 1981 · N9409V · Destroyed
- [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

## 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") = 1981
  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=1981

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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.