# NTSB investigations: Lycoming IO-320 series, 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 MIA72FKT37](https://openairdocs.org/ntsb/MIA72FKT37.md): Piper PA-30 · Boca Chica, FL · Accident · No injuries · Closed · Dec 31, 1971 · N718JR · Substantial damage
- [NTSB FTW72FPD16](https://openairdocs.org/ntsb/FTW72FPD16.md): Cessna 150 · Wichita Falls, TX · Accident · No injuries · Closed · Oct 21, 1971 · N4337U · 2 aircraft · Substantial damage
- [NTSB FTW72FPJ19](https://openairdocs.org/ntsb/FTW72FPJ19.md): Champion 7KCAB · Oklahoma Cty, OK · Accident · No injuries · Closed · Oct 11, 1971 · N5099X · Substantial damage
- [NTSB NYC72FHD15](https://openairdocs.org/ntsb/NYC72FHD15.md): Piper PA-39 · Ambler, PA · Accident · No injuries · Closed · Sep 22, 1971 · N8898Y · Substantial damage
- [NTSB MIA72DLA11](https://openairdocs.org/ntsb/MIA72DLA11.md): Champion 7KCAB · Pensacola, FL · Accident · Serious injuries · Closed · Sep 18, 1971 · N5225X · Substantial damage
- [NTSB NYC72FHM04](https://openairdocs.org/ntsb/NYC72FHM04.md): Piper PA-30 · Spring Valley, NY · Accident · No injuries · Closed · Aug 18, 1971 · N8608Y · Substantial damage
- [NTSB LAX72FUJ37](https://openairdocs.org/ntsb/LAX72FUJ37.md): Piper PA-30 · Tucson, AZ · Accident · No injuries · Closed · Aug 13, 1971 · N8778Y · Substantial damage
- [NTSB CHI72FEV08](https://openairdocs.org/ntsb/CHI72FEV08.md): Piper PA-30 · Bloomington, IL · Accident · No injuries · Closed · Aug 6, 1971 · N7696Y · Substantial damage
- [NTSB DEN72DTM03](https://openairdocs.org/ntsb/DEN72DTM03.md): Champion 7KCAB · Lehi, UT · Accident · No injuries · Closed · Jul 30, 1971 · N5101X · Destroyed
- [NTSB MKC72FCD11](https://openairdocs.org/ntsb/MKC72FCD11.md): Piper PA-30 · Storm Lake, IA · Accident · Serious injuries · Closed · Jul 28, 1971 · N7409Y · Destroyed
- [NTSB CHI72FEM04](https://openairdocs.org/ntsb/CHI72FEM04.md): Piper PA-30 · Freeland, MI · Accident · No injuries · Closed · Jul 24, 1971 · N7968Y · Substantial damage
- [NTSB MKC72DCD13](https://openairdocs.org/ntsb/MKC72DCD13.md): Piper PA-30 · Davenport, IA · Accident · No injuries · Closed · Jul 16, 1971 · N8137Y · Substantial damage
- [NTSB MKC72FER05](https://openairdocs.org/ntsb/MKC72FER05.md): Piper PA-30 · Eden Prairie, MN · Accident · No injuries · Closed · Jul 1, 1971 · N8626Y · Substantial damage
- [NTSB NYC71FNE42](https://openairdocs.org/ntsb/NYC71FNE42.md): Champion 7KCAB · Oxford, CT · Accident · Minor injuries · Closed · Jun 22, 1971 · N7500F · Substantial damage
- [NTSB OAK71DXQ43](https://openairdocs.org/ntsb/OAK71DXQ43.md): Champion 7KCAB · West Wendover, NV · Accident · No injuries · Closed · Jun 15, 1971 · N2614G · Substantial damage
- [NTSB FTW71FPJ43](https://openairdocs.org/ntsb/FTW71FPJ43.md): Piper PA-30 · Oklahoma Cty, OK · Accident · No injuries · Closed · May 24, 1971 · N8396Y · Substantial damage
- [NTSB LAX71DVA76](https://openairdocs.org/ntsb/LAX71DVA76.md): Piper PA-30 · Bakersfield, CA · Accident · No injuries · Closed · May 23, 1971 · N156LM · Substantial damage
- [NTSB LAX71DUA62](https://openairdocs.org/ntsb/LAX71DUA62.md): Piper PA-30 · Long Beach, CA · Incident · No injuries · Closed · May 16, 1971 · N7562Y · Minor damage
- [NTSB FTW71FPG60](https://openairdocs.org/ntsb/FTW71FPG60.md): Piper PA-30 · Hot Springs, AR · Accident · No injuries · Closed · May 16, 1971 · N7454Y · Substantial damage
- [NTSB CHI71FBJ71](https://openairdocs.org/ntsb/CHI71FBJ71.md): Piper PA-30 · Lansing, MI · Accident · No injuries · Closed · Apr 25, 1971 · N8385Y · Substantial damage
- [NTSB MKC71FCD68](https://openairdocs.org/ntsb/MKC71FCD68.md): Champion 7KCAB · Williamsburg, IA · Accident · No injuries · Closed · Apr 3, 1971 · N5067X · Substantial damage
- [NTSB IAD71FKM32](https://openairdocs.org/ntsb/IAD71FKM32.md): Champion 7KCAB · Concord, NC · Accident · No injuries · Closed · Mar 30, 1971 · N7542F · Substantial damage
- [NTSB OAK71DVA63](https://openairdocs.org/ntsb/OAK71DVA63.md): Cessna 172K · Madera, CA · Accident · No injuries · Closed · Mar 26, 1971 · N84009 · Substantial damage
- [NTSB FTW71DRG97](https://openairdocs.org/ntsb/FTW71DRG97.md): Piper PA-30 · Leakey, TX · Accident · No injuries · Closed · Mar 10, 1971 · N8716Y · Substantial damage
- [NTSB ANC71FAG68](https://openairdocs.org/ntsb/ANC71FAG68.md): Champion 7KCAB · Anchorage, AK · Accident · No injuries · Closed · Feb 15, 1971 · N9045L · Substantial damage
- [NTSB MIA71AM063](https://openairdocs.org/ntsb/MIA71AM063.md): Piper PA-30 · Atlanta, GA · Accident · Minor injuries · Closed · Jan 30, 1971 · N7632Y · Substantial damage
- [NTSB NYC71DHG09](https://openairdocs.org/ntsb/NYC71DHG09.md): Piper PA-30 · Hershey, PA · Accident · No injuries · Closed · Jan 23, 1971 · N8685Y · Substantial damage
- [NTSB MIA71FKJ37](https://openairdocs.org/ntsb/MIA71FKJ37.md): Piper PA-30 · Birmingham, AL · Accident · No injuries · Closed · Jan 12, 1971 · N8019Y · Substantial damage

## 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 ('41509'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41509&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.