# NTSB investigations: Lycoming IO-320 series, 1974

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 MIA75DKT37](https://openairdocs.org/ntsb/MIA75DKT37.md): Piper PA-30 · Sanibel, FL · Accident · No injuries · Closed · Dec 28, 1974 · N8635Y · Substantial damage
- [NTSB MKC75FCG26](https://openairdocs.org/ntsb/MKC75FCG26.md): Piper PA-30 · Bolivar, MO · Accident · No injuries · Closed · Dec 19, 1974 · N7465Y · Substantial damage
- [NTSB NYC75FNE19](https://openairdocs.org/ntsb/NYC75FNE19.md): Piper PA-30 · Worcester, MA · Accident · No injuries · Closed · Nov 13, 1974 · N7283Y · Substantial damage
- [NTSB NYC75FHD24](https://openairdocs.org/ntsb/NYC75FHD24.md): Champion 7KCAB · Bridgeport, NY · Accident · No injuries · Closed · Oct 13, 1974 · N5129X · Substantial damage
- [NTSB NYC75FHM10](https://openairdocs.org/ntsb/NYC75FHM10.md): Piper PA-30 · Newark, NJ · Accident · No injuries · Closed · Oct 11, 1974 · N7940Y · Substantial damage
- [NTSB NYC75AN033](https://openairdocs.org/ntsb/NYC75AN033.md): Bellanca 8KCAB · S Weymouth, MA · Accident · 1 fatal · Closed · Sep 8, 1974 · N86589 · Substantial damage
- [NTSB MIA75FLD12](https://openairdocs.org/ntsb/MIA75FLD12.md): Pitts SC1 · St Petersburg, FL · Accident · No injuries · Closed · Aug 24, 1974 · N4114 · Substantial damage
- [NTSB MKC75FCQ12](https://openairdocs.org/ntsb/MKC75FCQ12.md): Bellanca 7KCAB · Liberal, KS · Accident · Minor injuries · Closed · Aug 12, 1974 · N41823 · Substantial damage
- [NTSB LAX75FUA07](https://openairdocs.org/ntsb/LAX75FUA07.md): Lemburg BD-4 · Fullerton, CA · Accident · No injuries · Closed · Aug 10, 1974 · N24SG · Substantial damage
- [NTSB CHI75DEP17](https://openairdocs.org/ntsb/CHI75DEP17.md): Piper PA-30 · Madison, WI · Accident · No injuries · Closed · Aug 4, 1974 · N7690Y · Substantial damage
- [NTSB CHI75FEE08](https://openairdocs.org/ntsb/CHI75FEE08.md): Piper PA-30 · Chicago, IL · Accident · No injuries · Closed · Aug 1, 1974 · N1188Y · Substantial damage
- [NTSB IAD75DKM07](https://openairdocs.org/ntsb/IAD75DKM07.md): Piper PA-30 · Asheville, NC · Accident · No injuries · Closed · Jul 29, 1974 · N7910Y · Substantial damage
- [NTSB IAD75DKM06](https://openairdocs.org/ntsb/IAD75DKM06.md): Piper PA-30 · Charlotte, NC · Accident · No injuries · Closed · Jul 20, 1974 · N7660Y · Substantial damage
- [NTSB SEA75FYG02](https://openairdocs.org/ntsb/SEA75FYG02.md): Bellanca 8KCAB · Deer Park, WA · Accident · Minor injuries · Closed · Jul 14, 1974 · N33MJ · Destroyed
- [NTSB CHI74FEM67](https://openairdocs.org/ntsb/CHI74FEM67.md): Piper PA-30 · Freeland, MI · Accident · No injuries · Closed · Jun 26, 1974 · N7745Y · Substantial damage
- [NTSB FTW74DPM26](https://openairdocs.org/ntsb/FTW74DPM26.md): Bellanca 7KCAB · Okemah, OK · Accident · No injuries · Closed · May 12, 1974 · N5099X · Substantial damage
- [NTSB MIA74DKQ20](https://openairdocs.org/ntsb/MIA74DKQ20.md): Bellanca 7KCAB · Sunflower, MS · Accident · No injuries · Closed · May 9, 1974 · N57654 · Substantial damage
- [NTSB IAD74FLQ28](https://openairdocs.org/ntsb/IAD74FLQ28.md): Piper PA-30 · Louisville, KY · Accident · No injuries · Closed · Apr 29, 1974 · N8172Y · Substantial damage
- [NTSB IAD74FID35](https://openairdocs.org/ntsb/IAD74FID35.md): Piper PA-39 · Tangier Isl, VA · Accident · No injuries · Closed · Apr 27, 1974 · N8844Y · Substantial damage
- [NTSB MKC74FTK14](https://openairdocs.org/ntsb/MKC74FTK14.md): Piper PA-30 · Rapid City, SD · Accident · No injuries · Closed · Apr 26, 1974 · N8127Y · Substantial damage
- [NTSB FTW74DPG50](https://openairdocs.org/ntsb/FTW74DPG50.md): Piper PA-30 · Hot Springs, AR · Accident · No injuries · Closed · Mar 22, 1974 · N8682Y · Substantial damage
- [NTSB MIA74FKG55](https://openairdocs.org/ntsb/MIA74FKG55.md): Piper PA-30 · Atlanta, GA · Accident · No injuries · Closed · Mar 5, 1974 · N99EJ · Substantial damage
- [NTSB OAK74DXQ21](https://openairdocs.org/ntsb/OAK74DXQ21.md): Piper PA-30 · Elko, NV · Accident · No injuries · Closed · Feb 9, 1974 · N7648Y · Substantial damage
- [NTSB MIA74DKT54](https://openairdocs.org/ntsb/MIA74DKT54.md): Champion 7KCAB · Boca Raton, FL · Accident · No injuries · Closed · Jan 28, 1974 · N7570F · Substantial damage
- [NTSB IAD74FKW23](https://openairdocs.org/ntsb/IAD74FKW23.md): Piper PA-30 · Morristown, TN · Accident · No injuries · Closed · Jan 16, 1974 · N8030Y · Substantial damage
- [NTSB MIA74DKJ44](https://openairdocs.org/ntsb/MIA74DKJ44.md): Piper PA-30 · Decatur, AL · Accident · No injuries · Closed · Jan 14, 1974 · N7739Y · Substantial damage
- [NTSB MIA74FKT49](https://openairdocs.org/ntsb/MIA74FKT49.md): Piper PA-30 · Ft Lauderdale, FL · Accident · No injuries · Closed · Jan 8, 1974 · N12BX · 2 aircraft · 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") = 1974
  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=1974

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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.