# NTSB investigations: Lycoming 0-540 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.

Page 1 of 3 · 118 cases

## Latest cases

- [NTSB FTW72DRG39](https://openairdocs.org/ntsb/FTW72DRG39.md): Piper PA-32 · Estacion Coah, Mexico · Accident · No injuries · Closed · Nov 28, 1971 · N3435W · Substantial damage
- [NTSB MIA72DKJ33](https://openairdocs.org/ntsb/MIA72DKJ33.md): Piper PA-32 · Montgomery, AL · Accident · No injuries · Closed · Nov 16, 1971 · N8660N · Substantial damage
- [NTSB OAK72DVD27](https://openairdocs.org/ntsb/OAK72DVD27.md): Piper PA-28 · Smith River, CA · Accident · No injuries · Closed · Nov 7, 1971 · N8660W · Substantial damage
- [NTSB NYC72DHA23](https://openairdocs.org/ntsb/NYC72DHA23.md): Piper PA-32 · Hamburg, PA · Accident · No injuries · Closed · Nov 5, 1971 · N3559W · Substantial damage
- [NTSB CHI72DEE44](https://openairdocs.org/ntsb/CHI72DEE44.md): Piper PA-32 · Rockford, IL · Accident · No injuries · Closed · Oct 30, 1971 · N757UG · Substantial damage
- [NTSB MIA72DLD19](https://openairdocs.org/ntsb/MIA72DLD19.md): Aero Comdr 500 · Titusville, FL · Accident · No injuries · Closed · Oct 29, 1971 · N6291B · Substantial damage
- [NTSB OAK72DVM08](https://openairdocs.org/ntsb/OAK72DVM08.md): Piper PA-24 · San Carlos, CA · Accident · Minor injuries · Closed · Oct 24, 1971 · N7994P · Substantial damage
- [NTSB CHI72DEV17](https://openairdocs.org/ntsb/CHI72DEV17.md): Piper PA-25 · Ware, IL · Accident · No injuries · Closed · Oct 15, 1971 · N4552Y · Substantial damage
- [NTSB OAK72DVA33](https://openairdocs.org/ntsb/OAK72DVA33.md): Piper PA-28 · Chouchilla, CA · Accident · No injuries · Closed · Oct 3, 1971 · N8537N · Substantial damage
- [NTSB CHI72FCA01](https://openairdocs.org/ntsb/CHI72FCA01.md): Piper PA-24 · E St Louis, IL · Accident · No injuries · Closed · Oct 3, 1971 · N6886P · Substantial damage
- [NTSB NYC72DGM17](https://openairdocs.org/ntsb/NYC72DGM17.md): Piper PA-32 · Central City, PA · Accident · Minor injuries · Closed · Sep 25, 1971 · N3698W · Substantial damage
- [NTSB NYC72DFJ15](https://openairdocs.org/ntsb/NYC72DFJ15.md): Piper PA-24 · Moravia, NY · Accident · No injuries · Closed · Sep 17, 1971 · N6514P · Substantial damage
- [NTSB FTW72DPJ13](https://openairdocs.org/ntsb/FTW72DPJ13.md): Piper PA-24 · Midwest City, OK · Accident · No injuries · Closed · Sep 16, 1971 · N5887P · Substantial damage
- [NTSB CHI72DEE27](https://openairdocs.org/ntsb/CHI72DEE27.md): Piper PA-24 · Waukegan, IL · Accident · No injuries · Closed · Sep 13, 1971 · N7232P · Substantial damage
- [NTSB DEN72FTE31](https://openairdocs.org/ntsb/DEN72FTE31.md): Piper PA-28 · Littleton, CO · Accident · No injuries · Closed · Sep 11, 1971 · N9162W · Substantial damage
- [NTSB MKC72DCJ31](https://openairdocs.org/ntsb/MKC72DCJ31.md): Piper PA-24 · Fremont, NE · Accident · No injuries · Closed · Sep 9, 1971 · N7729P · Substantial damage
- [NTSB MIA72DKJ21](https://openairdocs.org/ntsb/MIA72DKJ21.md): Piper PA-25 · Ardmore, AL · Accident · No injuries · Closed · Sep 8, 1971 · N7704Z · Substantial damage
- [NTSB OAK72DVD10](https://openairdocs.org/ntsb/OAK72DVD10.md): Piper PA-24 · Novato, CA · Accident · No injuries · Closed · Sep 6, 1971 · N146U · Substantial damage
- [NTSB FTW72FQD09](https://openairdocs.org/ntsb/FTW72FQD09.md): Piper PA-24 · Girvin, TX · Accident · No injuries · Closed · Sep 4, 1971 · N5624P · Substantial damage
- [NTSB NYC72FGM13](https://openairdocs.org/ntsb/NYC72FGM13.md): Piper PA-24 · Brookville, PA · Accident · No injuries · Closed · Sep 2, 1971 · N5737P · Substantial damage
- [NTSB FTW72DRA20](https://openairdocs.org/ntsb/FTW72DRA20.md): Piper PA-25 · Clay Station, TX · Accident · No injuries · Closed · Sep 1, 1971 · N6925Z · Substantial damage
- [NTSB FTW72DPG34](https://openairdocs.org/ntsb/FTW72DPG34.md): Piper PA-25 · Tyronza, AR · Accident · No injuries · Closed · Sep 1, 1971 · N6919Z · Substantial damage
- [NTSB FTW72DPD20](https://openairdocs.org/ntsb/FTW72DPD20.md): Piper PA-25 · Glenrose, TX · Accident · No injuries · Closed · Aug 29, 1971 · N6368Z · Substantial damage
- [NTSB MIA72FKG33](https://openairdocs.org/ntsb/MIA72FKG33.md): Piper PA-25 · Thomasville, GA · Accident · No injuries · Closed · Aug 27, 1971 · N8615L · Destroyed
- [NTSB NYC72FLJ07](https://openairdocs.org/ntsb/NYC72FLJ07.md): Aero Comdr A9 · Rocky Mount, NC · Accident · Minor injuries · Closed · Aug 26, 1971 · N7716V · Substantial damage
- [NTSB FTW72DQG16](https://openairdocs.org/ntsb/FTW72DQG16.md): Piper PA-25 · Seminole, TX · Accident · Minor injuries · Closed · Aug 26, 1971 · N6564Z · Substantial damage
- [NTSB CHI72FEV14](https://openairdocs.org/ntsb/CHI72FEV14.md): Piper PA-25 · Fisher, IL · Accident · No injuries · Closed · Aug 24, 1971 · N4772Y · Substantial damage
- [NTSB FTW72DPD11](https://openairdocs.org/ntsb/FTW72DPD11.md): Callair A-9 · Deleon, TX · Accident · No injuries · Closed · Aug 23, 1971 · N3602G · Substantial damage
- [NTSB NYC72DHD09](https://openairdocs.org/ntsb/NYC72DHD09.md): Piper PA-24 · Gap, PA · Accident · No injuries · Closed · Aug 22, 1971 · N7753P · Substantial damage
- [NTSB LAX72DUJ31](https://openairdocs.org/ntsb/LAX72DUJ31.md): Callair A-9 · Casa Grande, AZ · Accident · No injuries · Closed · Aug 22, 1971 · N3612G · Substantial damage
- [NTSB FTW72DRD11](https://openairdocs.org/ntsb/FTW72DRD11.md): Piper PA-25 · Belle Rose, LA · Accident · No injuries · Closed · Aug 22, 1971 · N7226Z · Substantial damage
- [NTSB MIA72DKG25](https://openairdocs.org/ntsb/MIA72DKG25.md): Callair A9 · Waynesboro, GA · Accident · No injuries · Closed · Aug 20, 1971 · N3579G · Substantial damage
- [NTSB SEA72DYI07](https://openairdocs.org/ntsb/SEA72DYI07.md): Piper PA-24 · Bend, OR · Accident · No injuries · Closed · Aug 19, 1971 · N6651P · Substantial damage
- [NTSB OAK72DVA17](https://openairdocs.org/ntsb/OAK72DVA17.md): Piper PA-25 · Modesto, CA · Accident · No injuries · Closed · Aug 19, 1971 · N4440Y · Substantial damage
- [NTSB DEN72DQG14](https://openairdocs.org/ntsb/DEN72DQG14.md): Piper PA-25 · Clovis, NM · Accident · No injuries · Closed · Aug 15, 1971 · N6980Z · Substantial damage
- [NTSB CHI72AC014](https://openairdocs.org/ntsb/CHI72AC014.md): Piper PA-24 · Bardstown, KY · Accident · 2 fatal · Closed · Aug 14, 1971 · N7883P · 2 aircraft · Minor damage
- [NTSB FTW72FRG13](https://openairdocs.org/ntsb/FTW72FRG13.md): Piper PA-25 · Refugio, TX · Accident · 1 fatal · Closed · Aug 12, 1971 · N4588Y · Destroyed
- [NTSB MKC72FTK02](https://openairdocs.org/ntsb/MKC72FTK02.md): Piper PA-25 · Dixon, SD · Accident · No injuries · Closed · Aug 9, 1971 · N7579Z · Substantial damage
- [NTSB MIA72DKJ14](https://openairdocs.org/ntsb/MIA72DKJ14.md): Piper PA-32 · Gadsden, AL · Accident · No injuries · Closed · Aug 8, 1971 · N4726S · Substantial damage
- [NTSB MIA72DKJ13](https://openairdocs.org/ntsb/MIA72DKJ13.md): Piper PA-25 · Muscle Shoals, AL · Accident · No injuries · Closed · Aug 7, 1971 · N4414Y · Substantial damage
- [NTSB DEN72FTE11](https://openairdocs.org/ntsb/DEN72FTE11.md): Piper PA-32 · Leadville, CO · Accident · No injuries · Closed · Aug 7, 1971 · N3649W · Substantial damage
- [NTSB CHI72DEE12](https://openairdocs.org/ntsb/CHI72DEE12.md): Piper PA-24 · Grayslake, IL · Accident · No injuries · Closed · Aug 7, 1971 · N5320P · Substantial damage
- [NTSB DEN72DTE08](https://openairdocs.org/ntsb/DEN72DTE08.md): Piper PA-25 · Blanca, CO · Accident · No injuries · Closed · Aug 6, 1971 · N7191Z · Substantial damage
- [NTSB LAX72DUJ22](https://openairdocs.org/ntsb/LAX72DUJ22.md): Piper PA-25 · Parker, AZ · Accident · No injuries · Closed · Aug 5, 1971 · N6570Z · Substantial damage
- [NTSB MKC72DCD19](https://openairdocs.org/ntsb/MKC72DCD19.md): Piper PA-25 · Olin, IA · Accident · No injuries · Closed · Aug 4, 1971 · N7036Z · Substantial damage
- [NTSB MKC72DCD16](https://openairdocs.org/ntsb/MKC72DCD16.md): Piper PA-24 · Estherville, IA · Accident · No injuries · Closed · Aug 2, 1971 · N6203P · Substantial damage
- [NTSB CHI72FEV07](https://openairdocs.org/ntsb/CHI72FEV07.md): Piper PA-25 · Carthage, IL · Accident · No injuries · Closed · Jul 31, 1971 · N7014Z · Substantial damage
- [NTSB LAX72AL008](https://openairdocs.org/ntsb/LAX72AL008.md): Piper PA-28 · Santa Ynez, CA · Accident · 1 fatal · Closed · Jul 30, 1971 · N9378W · Minor damage
- [NTSB FTW72DQG08](https://openairdocs.org/ntsb/FTW72DQG08.md): Piper PA-25 · Tulia, TX · Accident · No injuries · Closed · Jul 26, 1971 · N6440Z · Substantial damage
- [NTSB OAK72FXQ10](https://openairdocs.org/ntsb/OAK72FXQ10.md): Piper PA-24 · Chester, CA · Accident · No injuries · Closed · Jul 24, 1971 · N5642P · Substantial damage

Next page: https://openairdocs.org/ntsb.md?engine=41532&year=1971&page=2

## 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 ('41532'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41532&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.