# NTSB investigations: Lycoming 0-540 series, 1973

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 2 · 83 cases

## Latest cases

- [NTSB CHI74FEE44](https://openairdocs.org/ntsb/CHI74FEE44.md): Piper PA-24 · Princeton, IL · Accident · No injuries · Closed · Dec 30, 1973 · N6906P · Substantial damage
- [NTSB OAK74FVW10](https://openairdocs.org/ntsb/OAK74FVW10.md): Piper PA-23 · Las Vegas, NV · Accident · No injuries · Closed · Dec 2, 1973 · N5171Y · Substantial damage
- [NTSB IAD74FIG15](https://openairdocs.org/ntsb/IAD74FIG15.md): Piper PA-28 · Frederick, MD · Accident · No injuries · Closed · Dec 2, 1973 · N9185W · Substantial damage
- [NTSB NYC74DHA19](https://openairdocs.org/ntsb/NYC74DHA19.md): Piper PA-24 · Schwenksville, PA · Accident · No injuries · Closed · Nov 28, 1973 · N5478P · Substantial damage
- [NTSB MKC74IK026](https://openairdocs.org/ntsb/MKC74IK026.md): Piper PA-32 · Readsville, MO · Incident · No injuries · Closed · Nov 26, 1973 · N3977W · Minor damage
- [NTSB MIA74FLA23](https://openairdocs.org/ntsb/MIA74FLA23.md): Piper PA-24 · Jacksonville, FL · Accident · No injuries · Closed · Nov 20, 1973 · N5549P · Substantial damage
- [NTSB MKC74FCQ17](https://openairdocs.org/ntsb/MKC74FCQ17.md): Piper PA-24 · Larned, KS · Accident · No injuries · Closed · Nov 19, 1973 · N8131P · Substantial damage
- [NTSB MKC74AK024](https://openairdocs.org/ntsb/MKC74AK024.md): Piper PA-32 · Topeka, KS · Accident · No injuries · Closed · Nov 16, 1973 · N3412W · Substantial damage
- [NTSB IAD74FID21](https://openairdocs.org/ntsb/IAD74FID21.md): Piper PA-24 · Hopewell, VA · Accident · No injuries · Closed · Nov 1, 1973 · N6191P · Substantial damage
- [NTSB OAK74DVA30](https://openairdocs.org/ntsb/OAK74DVA30.md): Piper PA-24 · Merced, CA · Accident · No injuries · Closed · Oct 31, 1973 · N5521P · Substantial damage
- [NTSB CHI74FEI16](https://openairdocs.org/ntsb/CHI74FEI16.md): Piper PA-24 · Ashland, OH · Accident · No injuries · Closed · Oct 30, 1973 · N6453P · Substantial damage
- [NTSB FTW74FPD20](https://openairdocs.org/ntsb/FTW74FPD20.md): Piper PA-25 · Rochester, TX · Accident · 1 fatal · Closed · Oct 25, 1973 · N7295Z · Destroyed
- [NTSB DEN74DTC19](https://openairdocs.org/ntsb/DEN74DTC19.md): Piper PA-28 · Rock Springs, WY · Accident · No injuries · Closed · Oct 19, 1973 · N9359W · Substantial damage
- [NTSB NYC74DFA14](https://openairdocs.org/ntsb/NYC74DFA14.md): Piper PA-28 · Glens Falls, NY · Accident · No injuries · Closed · Oct 8, 1973 · N8549W · Substantial damage
- [NTSB DEN74FTE25](https://openairdocs.org/ntsb/DEN74FTE25.md): Piper PA-32 · Aspen, CO · Accident · Serious injuries · Closed · Oct 7, 1973 · N3234W · Substantial damage
- [NTSB FTW74DQG21](https://openairdocs.org/ntsb/FTW74DQG21.md): Piper PA-25 · Seagraves, TX · Accident · No injuries · Closed · Sep 28, 1973 · N8832L · Substantial damage
- [NTSB MIA74DLA17](https://openairdocs.org/ntsb/MIA74DLA17.md): Piper PA-25 · Jay, FL · Accident · No injuries · Closed · Sep 27, 1973 · N4960Y · Substantial damage
- [NTSB MIA74DKJ25](https://openairdocs.org/ntsb/MIA74DKJ25.md): Piper PA-23 · Robertsdale, AL · Accident · No injuries · Closed · Sep 21, 1973 · N4510P · Substantial damage
- [NTSB FTW74FPD13](https://openairdocs.org/ntsb/FTW74FPD13.md): Piper PA-24 · Quanah, TX · Accident · Minor injuries · Closed · Sep 19, 1973 · N6139P · Destroyed
- [NTSB MIA74DKG28](https://openairdocs.org/ntsb/MIA74DKG28.md): Piper PA-25 · Cochran, GA · Accident · No injuries · Closed · Sep 17, 1973 · N4682Y · Substantial damage
- [NTSB OAK74FXQ11](https://openairdocs.org/ntsb/OAK74FXQ11.md): Piper PA-24 · Reno, NV · Accident · No injuries · Closed · Sep 13, 1973 · N6774P · Substantial damage
- [NTSB LAX74OL034](https://openairdocs.org/ntsb/LAX74OL034.md): Piper PA-28 · Buena Vista, Mexico · Accident · Serious injuries · Closed · Sep 10, 1973 · N8761W · Substantial damage
- [NTSB MIA74DKQ09](https://openairdocs.org/ntsb/MIA74DKQ09.md): Piper PA-25 · Rosedale, MS · Accident · No injuries · Closed · Sep 8, 1973 · N7498Z · Substantial damage
- [NTSB FTW74DPD09](https://openairdocs.org/ntsb/FTW74DPD09.md): Piper PA-25 · Munday, TX · Accident · No injuries · Closed · Sep 8, 1973 · N4785Y · Substantial damage
- [NTSB MKC74DCQ12](https://openairdocs.org/ntsb/MKC74DCQ12.md): Piper PA-25 · Almena, KS · Accident · No injuries · Closed · Sep 5, 1973 · N4976Y · Substantial damage
- [NTSB MIA74DLD21](https://openairdocs.org/ntsb/MIA74DLD21.md): Piper PA-24 · Lake Wales, FL · Accident · No injuries · Closed · Aug 26, 1973 · N6172P · Substantial damage
- [NTSB ANC74AA028](https://openairdocs.org/ntsb/ANC74AA028.md): Helio Acft H-250 · Grubstake, AK · Accident · No injuries · Closed · Aug 22, 1973 · N6318V · Substantial damage
- [NTSB MKC74DER06](https://openairdocs.org/ntsb/MKC74DER06.md): Callair A-9 · Stephen, MN · Accident · Minor injuries · Closed · Aug 20, 1973 · N8414V · Substantial damage
- [NTSB IAD74FLT04](https://openairdocs.org/ntsb/IAD74FLT04.md): Piper PA-23 · Jackson, TN · Accident · No injuries · Closed · Aug 11, 1973 · N5163Y · Minor damage
- [NTSB FTW74FRJ04](https://openairdocs.org/ntsb/FTW74FRJ04.md): Piper PA-32 · Minden, LA · Accident · No injuries · Closed · Aug 11, 1973 · N3691W · Substantial damage
- [NTSB CHI74FEV12](https://openairdocs.org/ntsb/CHI74FEV12.md): Piper PA-25 · Washington, IL · Accident · No injuries · Closed · Aug 8, 1973 · N7753Z · Substantial damage
- [NTSB MIA74FKT10](https://openairdocs.org/ntsb/MIA74FKT10.md): Piper PA-23 · Ft.Lauderdale, FL · Accident · No injuries · Closed · Aug 7, 1973 · N4854P · Substantial damage
- [NTSB NYC74FNA08](https://openairdocs.org/ntsb/NYC74FNA08.md): Piper PA-24 · Lincoln, RI · Accident · No injuries · Closed · Aug 5, 1973 · N5290P · Substantial damage
- [NTSB SEA74FYA07](https://openairdocs.org/ntsb/SEA74FYA07.md): Piper PA-25 · Goshen, ID · Accident · Serious injuries · Closed · Aug 2, 1973 · N8586L · Destroyed
- [NTSB CHI74DET05](https://openairdocs.org/ntsb/CHI74DET05.md): Piper PA-25 · Morocco, IN · Accident · No injuries · Closed · Aug 2, 1973 · N7761Z · Substantial damage
- [NTSB NYC74FNA07](https://openairdocs.org/ntsb/NYC74FNA07.md): Piper PA-24 · Vineyard Hav, MA · Accident · No injuries · Closed · Jul 31, 1973 · N8659P · Substantial damage
- [NTSB CHI74DEG04](https://openairdocs.org/ntsb/CHI74DEG04.md): Piper PA-32 · Vandalia, OH · Accident · No injuries · Closed · Jul 31, 1973 · N4740S · Substantial damage
- [NTSB CHI74DEM06](https://openairdocs.org/ntsb/CHI74DEM06.md): Piper PA-24 · Lansing, MI · Accident · No injuries · Closed · Jul 26, 1973 · N6937P · Substantial damage
- [NTSB OAK74DVD13](https://openairdocs.org/ntsb/OAK74DVD13.md): Piper PA-25 · Stockton, CA · Accident · No injuries · Closed · Jul 25, 1973 · N4429Y · Substantial damage
- [NTSB MIA74FKT03](https://openairdocs.org/ntsb/MIA74FKT03.md): Piper PA-23 · Belle Glade, FL · Accident · No injuries · Closed · Jul 25, 1973 · N4683P · Substantial damage
- [NTSB MIA74DKT05](https://openairdocs.org/ntsb/MIA74DKT05.md): Piper PA-24 · Placida, FL · Accident · No injuries · Closed · Jul 24, 1973 · N6435P · Substantial damage
- [NTSB MIA74FKD06](https://openairdocs.org/ntsb/MIA74FKD06.md): Piper PA-28 · Crystal River, FL · Accident · No injuries · Closed · Jul 18, 1973 · N8741W · Substantial damage
- [NTSB SEA74FYE03](https://openairdocs.org/ntsb/SEA74FYE03.md): Piper PA-24 · Renton, WA · Accident · No injuries · Closed · Jul 13, 1973 · N5976P · Substantial damage
- [NTSB IAD74FLQ01](https://openairdocs.org/ntsb/IAD74FLQ01.md): Piper PA-24 · Louisville, KY · Accident · No injuries · Closed · Jul 10, 1973 · N5186P · Substantial damage
- [NTSB DEN74FTE03](https://openairdocs.org/ntsb/DEN74FTE03.md): Piper PA-24 · Littleton, CO · Accident · No injuries · Closed · Jul 6, 1973 · N7744P · Substantial damage
- [NTSB CHI73FEV31](https://openairdocs.org/ntsb/CHI73FEV31.md): Piper PA-23 · Springfield, IL · Accident · No injuries · Closed · Jun 27, 1973 · N4506P · Substantial damage
- [NTSB SEA74DYI04](https://openairdocs.org/ntsb/SEA74DYI04.md): Piper PA-25 · Burns, OR · Accident · No injuries · Closed · Jun 22, 1973 · N7374Z · Substantial damage
- [NTSB NYC73DGM36](https://openairdocs.org/ntsb/NYC73DGM36.md): Piper PA-24 · Wampum, PA · Accident · No injuries · Closed · Jun 22, 1973 · N7131P · Substantial damage
- [NTSB SEA73DYA30](https://openairdocs.org/ntsb/SEA73DYA30.md): Piper PA-24 · American Falls, ID · Accident · No injuries · Closed · Jun 9, 1973 · N944P · Substantial damage
- [NTSB MKC73DCJ45](https://openairdocs.org/ntsb/MKC73DCJ45.md): Piper PA-25 · North Loup, NE · Accident · No injuries · Closed · Jun 6, 1973 · N4519Y · Substantial damage

Next page: https://openairdocs.org/ntsb.md?engine=41532&year=1973&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") = 1973
  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=1973

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