# NTSB investigations: Amateur-built UNKNOWN ENG, 1971

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 MKC72FCQ33](https://openairdocs.org/ntsb/MKC72FCQ33.md): Cessna 170B · Wichita, KS · Accident · No injuries · Closed · Nov 11, 1971 · N1660D · Substantial damage
- [NTSB FTW72DQD14](https://openairdocs.org/ntsb/FTW72DQD14.md): Schleicher ASW-15 · Marfa, TX · Accident · No injuries · Closed · Oct 23, 1971 · N8465 · Substantial damage
- [NTSB CHI72FEA12](https://openairdocs.org/ntsb/CHI72FEA12.md): Wilson B8M · Columbus, IN · Accident · No injuries · Closed · Sep 24, 1971 · N4274 · Substantial damage
- [NTSB ANC72AA011](https://openairdocs.org/ntsb/ANC72AA011.md): Cessna 180H · Clarks Pt, AK · Accident · No injuries · Closed · Aug 22, 1971 · N9062M · Substantial damage
- [NTSB MIA72DLG09](https://openairdocs.org/ntsb/MIA72DLG09.md): Bell 47D-1 · Rembert, SC · Accident · No injuries · Closed · Aug 20, 1971 · N586T · Substantial damage
- [NTSB FTW72AF002](https://openairdocs.org/ntsb/FTW72AF002-162416.md): Aeronca 7AC · Big Spring, TX · Accident · 1 fatal · Closed · Jul 6, 1971 · N84600 · Destroyed
- [NTSB OAK71FVM56](https://openairdocs.org/ntsb/OAK71FVM56.md): Beech 35 · San Carlos, CA · Accident · Serious injuries · Closed · Jun 19, 1971 · N3934N · Substantial damage
- [NTSB DEN71DTE13](https://openairdocs.org/ntsb/DEN71DTE13.md): Piper PA-12 · Louviers, CO · Accident · Minor injuries · Closed · Jun 4, 1971 · N3364M · Substantial damage
- [NTSB CHI71FEK36](https://openairdocs.org/ntsb/CHI71FEK36.md): Cessna 195B · London, OH · Accident · No injuries · Closed · May 18, 1971 · N2134C · Substantial damage
- [NTSB ANC71FAA30](https://openairdocs.org/ntsb/ANC71FAA30.md): Cessna 180 · Galena, AK · Accident · No injuries · Closed · May 18, 1971 · N91290 · Substantial damage
- [NTSB FTW71FPM24](https://openairdocs.org/ntsb/FTW71FPM24.md): Aeronca 11AC · Vinita, OK · Accident · No injuries · Closed · May 3, 1971 · N85928 · Substantial damage
- [NTSB CHI71FBM20](https://openairdocs.org/ntsb/CHI71FBM20.md): Piper J3C-65 · Coldwater, MI · Accident · Serious injuries · Closed · Apr 3, 1971 · N1416N · Destroyed
- [NTSB SEA71DWA33](https://openairdocs.org/ntsb/SEA71DWA33.md): Cessna 140 · Tigard, OR · Accident · No injuries · Closed · Apr 1, 1971 · N76294 · Substantial damage
- [NTSB FTW71DPD44](https://openairdocs.org/ntsb/FTW71DPD44.md): Cessna 120 · Weatherford, TX · Accident · No injuries · Closed · Mar 10, 1971 · N77176 · Substantial damage
- [NTSB CHI71FBJ59](https://openairdocs.org/ntsb/CHI71FBJ59.md): Piper PA-22 · Lawton, MI · Accident · No injuries · Closed · Mar 3, 1971 · N2529A · Substantial damage
- [NTSB MKC71AK045](https://openairdocs.org/ntsb/MKC71AK045.md): Piper J3-C · Mcleod, ND · Accident · 2 fatal · Closed · Feb 10, 1971 · N92429 · Destroyed

## The whole list in SQL

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

```sql
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") = 1971
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('99999'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=99999&year=1971

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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.