# NTSB investigations: Continental IO-520 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 2 · 74 cases

## Latest cases

- [NTSB FTW72DRJ18](https://openairdocs.org/ntsb/FTW72DRJ18.md): Cessna P206B · Hooks, TX · Accident · No injuries · Closed · Dec 24, 1971 · N4778F · Substantial damage
- [NTSB FTW72DRD17](https://openairdocs.org/ntsb/FTW72DRD17.md): Cessna A185E · Leeville, LA · Accident · No injuries · Closed · Dec 15, 1971 · N5818J · Substantial damage
- [NTSB CHI72DEI25](https://openairdocs.org/ntsb/CHI72DEI25.md): Cessna 206 · Cleveland, OH · Accident · No injuries · Closed · Dec 15, 1971 · N8755Z · Substantial damage
- [NTSB MKC72FTK11](https://openairdocs.org/ntsb/MKC72FTK11.md): Beech S35 · Pierre, SD · Accident · Serious injuries · Closed · Nov 25, 1971 · N198Q · Substantial damage
- [NTSB MKC72DTK10](https://openairdocs.org/ntsb/MKC72DTK10.md): Beech S35 · Ipswich, SD · Accident · No injuries · Closed · Nov 18, 1971 · N8657Q · Substantial damage
- [NTSB OAK72FVA34](https://openairdocs.org/ntsb/OAK72FVA34.md): Cessna 210J · Columbia, CA · Accident · No injuries · Closed · Nov 14, 1971 · N350TM · Substantial damage
- [NTSB CHI72AC044](https://openairdocs.org/ntsb/CHI72AC044.md): Aero Comdr 200-D · Louisville, KY · Accident · No injuries · Closed · Nov 11, 1971 · N2913T · Substantial damage
- [NTSB NYC72FHA24](https://openairdocs.org/ntsb/NYC72FHA24.md): Beech S35 · Breinigsville, PA · Accident · No injuries · Closed · Nov 9, 1971 · N5770K · Substantial damage
- [NTSB ANC72DAG70](https://openairdocs.org/ntsb/ANC72DAG70.md): Cessna 185 · Glennallen, AK · Accident · No injuries · Closed · Nov 6, 1971 · N70020 · Substantial damage
- [NTSB CHI72FEE42](https://openairdocs.org/ntsb/CHI72FEE42.md): Beech V35A · Kankakee, IL · Accident · No injuries · Closed · Oct 29, 1971 · N7935R · Substantial damage
- [NTSB FTW72FRD13](https://openairdocs.org/ntsb/FTW72FRD13.md): Aero Comdr 200D · Kentwood, LA · Accident · Minor injuries · Closed · Oct 17, 1971 · N2909T · Substantial damage
- [NTSB FTW72FQG18](https://openairdocs.org/ntsb/FTW72FQG18.md): Beech 36 · Sudan, TX · Accident · No injuries · Closed · Oct 12, 1971 · N7794R · Substantial damage
- [NTSB MKC72FCD32](https://openairdocs.org/ntsb/MKC72FCD32.md): Beech V35A · Ida Grove, IA · Accident · Serious injuries · Closed · Sep 30, 1971 · N7761R · Destroyed
- [NTSB OAK72FVW13](https://openairdocs.org/ntsb/OAK72FVW13.md): Cessna P206 · Las Vegas, NV · Accident · No injuries · Closed · Sep 29, 1971 · N2552X · Substantial damage
- [NTSB CHI72FEG17](https://openairdocs.org/ntsb/CHI72FEG17.md): Cessna 210 · Versailles, OH · Accident · No injuries · Closed · Sep 27, 1971 · N6126R · Substantial damage
- [NTSB CHI72FEA20](https://openairdocs.org/ntsb/CHI72FEA20.md): Cessna 210G · Laconia, IN · Accident · No injuries · Closed · Sep 26, 1971 · N5901F · Substantial damage
- [NTSB MKC72FCG18](https://openairdocs.org/ntsb/MKC72FCG18.md): Cessna 206A · Richmond, MO · Accident · No injuries · Closed · Sep 5, 1971 · N4644F · Substantial damage
- [NTSB ANC72IA014](https://openairdocs.org/ntsb/ANC72IA014.md): Cessna 185 · Kodiak, AK · Incident · No injuries · Closed · Sep 1, 1971 · N1924U · Minor damage
- [NTSB DEN72FQA15](https://openairdocs.org/ntsb/DEN72FQA15.md): Cessna 411 · Albuquerque, NM · Accident · No injuries · Closed · Aug 30, 1971 · N3236R · Substantial damage
- [NTSB OAK72FVW09](https://openairdocs.org/ntsb/OAK72FVW09.md): Cessna 206 · Las Vegas, NV · Accident · Minor injuries · Closed · Aug 29, 1971 · N5014U · Substantial damage
- [NTSB MKC72FTG11](https://openairdocs.org/ntsb/MKC72FTG11.md): Aero Comr 200D · Carpio, ND · Accident · No injuries · Closed · Aug 27, 1971 · N2979T · Substantial damage
- [NTSB MIA72FLT05](https://openairdocs.org/ntsb/MIA72FLT05.md): Cessna 188 · Tunica, MS · Accident · No injuries · Closed · Aug 26, 1971 · N8196V · Substantial damage
- [NTSB ANC72AA012](https://openairdocs.org/ntsb/ANC72AA012.md): Cessna 185 · Seldovia, AK · Accident · No injuries · Closed · Aug 23, 1971 · N1667M · Substantial damage
- [NTSB NYC72FNE11](https://openairdocs.org/ntsb/NYC72FNE11.md): Beech 35C33A · Deerfield, MA · Accident · Minor injuries · Closed · Aug 12, 1971 · N1866C · Substantial damage
- [NTSB FTW72DRG16](https://openairdocs.org/ntsb/FTW72DRG16.md): Cessna 188 · San Ygnacio, TX · Accident · No injuries · Closed · Aug 10, 1971 · N8150V · Substantial damage
- [NTSB MKC72FCJ13](https://openairdocs.org/ntsb/MKC72FCJ13.md): Cessna 188 · Lexington, NE · Accident · No injuries · Closed · Aug 9, 1971 · N8059V · Substantial damage
- [NTSB CHI72FEM09](https://openairdocs.org/ntsb/CHI72FEM09.md): Bellanca 17-30 · Slt.St.Marie, MI · Accident · No injuries · Closed · Aug 9, 1971 · N7309V · Substantial damage
- [NTSB NYC72DID03](https://openairdocs.org/ntsb/NYC72DID03.md): Cessna 210H · Bedford, VA · Accident · No injuries · Closed · Aug 8, 1971 · N5969F · Substantial damage
- [NTSB LAX72FUQ13](https://openairdocs.org/ntsb/LAX72FUQ13.md): Beech 95-C55 · Van Nuys, CA · Accident · No injuries · Closed · Aug 4, 1971 · N539R · Substantial damage
- [NTSB SEA72FYC15](https://openairdocs.org/ntsb/SEA72FYC15.md): Cessna A188 · St.Johns, OR · Accident · No injuries · Closed · Aug 2, 1971 · N8073V · Substantial damage
- [NTSB NYC72AN018](https://openairdocs.org/ntsb/NYC72AN018.md): Cessna 402 · New Bedford, MA · Accident · No injuries · Closed · Aug 2, 1971 · N8125F · Substantial damage
- [NTSB MIA72DKG16](https://openairdocs.org/ntsb/MIA72DKG16.md): Cessna 188 · Shellman, GA · Accident · No injuries · Closed · Jul 30, 1971 · N9896V · Substantial damage
- [NTSB CHI72FEM08](https://openairdocs.org/ntsb/CHI72FEM08.md): Beech S35 · Sharon, MI · Accident · No injuries · Closed · Jul 29, 1971 · N8807M · Substantial damage
- [NTSB OAK72DVG12](https://openairdocs.org/ntsb/OAK72DVG12.md): Cessna 206 · Lk Highlnds, CA · Accident · No injuries · Closed · Jul 27, 1971 · N2630X · Substantial damage
- [NTSB MIA72FLD04](https://openairdocs.org/ntsb/MIA72FLD04.md): Beech 35-C33 · Winter Haven, FL · Accident · No injuries · Closed · Jul 24, 1971 · N7951M · Substantial damage
- [NTSB CHI72FEA04](https://openairdocs.org/ntsb/CHI72FEA04-162987.md): Beech V35 · Winchester, IN · Accident · No injuries · Closed · Jul 24, 1971 · N9478S · Substantial damage
- [NTSB LAX72FUA05](https://openairdocs.org/ntsb/LAX72FUA05.md): Cessna 320E · Long Beach, CA · Accident · No injuries · Closed · Jul 20, 1971 · N3489Q · Substantial damage
- [NTSB SEA72DYG02](https://openairdocs.org/ntsb/SEA72DYG02.md): Cessna A188 · Brownstown, WA · Accident · No injuries · Closed · Jul 16, 1971 · N5501S · Substantial damage
- [NTSB SEA72DYC06](https://openairdocs.org/ntsb/SEA72DYC06.md): Cessna 206 · Orchards, WA · Accident · No injuries · Closed · Jul 16, 1971 · N5033U · Substantial damage
- [NTSB ANC72AA003](https://openairdocs.org/ntsb/ANC72AA003.md): Cessna 185 · Dillingham, AK · Accident · No injuries · Closed · Jul 12, 1971 · N5859J · Substantial damage
- [NTSB MKC72DCD09](https://openairdocs.org/ntsb/MKC72DCD09.md): Beech V35A · Sac City, IA · Accident · No injuries · Closed · Jul 6, 1971 · N7943R · Substantial damage
- [NTSB SEA72DYC01](https://openairdocs.org/ntsb/SEA72DYC01.md): Cessna A185E · John Day, OR · Accident · Minor injuries · Closed · Jul 1, 1971 · N4740Q · Destroyed
- [NTSB MKC72FTG01](https://openairdocs.org/ntsb/MKC72FTG01.md): Cessna 188 · Grafton, ND · Accident · No injuries · Closed · Jul 1, 1971 · N9946G · Destroyed
- [NTSB ANC71IA064](https://openairdocs.org/ntsb/ANC71IA064.md): Cessna 185 · Dillingham, AK · Incident · No injuries · Closed · Jun 29, 1971 · N1972U · Minor damage
- [NTSB CHI72DEA05](https://openairdocs.org/ntsb/CHI72DEA05.md): Bellanca 14-193 · Evansville, IN · Accident · No injuries · Closed · Jun 25, 1971 · N8853R · Substantial damage
- [NTSB MKC71DCD93](https://openairdocs.org/ntsb/MKC71DCD93.md): Beech S35 · Iowa City, IA · Accident · No injuries · Closed · Jun 11, 1971 · N215Q · Substantial damage
- [NTSB SEA71FTI37](https://openairdocs.org/ntsb/SEA71FTI37.md): Cessna A188A · Havre, MT · Accident · No injuries · Closed · Jun 8, 1971 · N9955G · Substantial damage
- [NTSB FTW71DQG74](https://openairdocs.org/ntsb/FTW71DQG74.md): Cessna A188A · Amarillo, TX · Accident · No injuries · Closed · Jun 7, 1971 · N1571M · Substantial damage
- [NTSB LAX71FUJ97](https://openairdocs.org/ntsb/LAX71FUJ97.md): Cessna A188 · Eloy, AZ · Accident · Serious injuries · Closed · Jun 3, 1971 · N8076V · Destroyed
- [NTSB FTW71FRD50](https://openairdocs.org/ntsb/FTW71FRD50.md): Cessna 188 · Church Point, LA · Accident · Serious injuries · Closed · Jun 1, 1971 · N9950G · Destroyed

Next page: https://openairdocs.org/ntsb.md?engine=17032&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 ('17032'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17032&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.