# NTSB investigations: Pratt & Whitney R1340 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 MKC72FCA16](https://openairdocs.org/ntsb/MKC72FCA16.md): N.American SNJ-4 · Chesterfield, MO · Accident · No injuries · Closed · Nov 16, 1971 · N1395N · Substantial damage
- [NTSB MKC72DCG30](https://openairdocs.org/ntsb/MKC72DCG30.md): N. American SNJ-5 · Grain Valley, MO · Accident · No injuries · Closed · Oct 25, 1971 · N21JD · Substantial damage
- [NTSB FTW72FPG50](https://openairdocs.org/ntsb/FTW72FPG50.md): Harvard MK IV · West Memphis, AR · Accident · No injuries · Closed · Oct 9, 1971 · N4447 · Substantial damage
- [NTSB LAX72DUJ46](https://openairdocs.org/ntsb/LAX72DUJ46.md): Naval Fcty N3N-1 · Gadsden, AZ · Accident · No injuries · Closed · Sep 14, 1971 · N45065 · Substantial damage
- [NTSB FTW72FRG23](https://openairdocs.org/ntsb/FTW72FRG23.md): N.American SNJ-5 · Georgetown, TX · Accident · No injuries · Closed · Sep 5, 1971 · N101X · Substantial damage
- [NTSB NYC72FID12](https://openairdocs.org/ntsb/NYC72FID12.md): N.American SNJ-4 · Fredericksburg, VA · Accident · No injuries · Closed · Sep 4, 1971 · N6414D · Substantial damage
- [NTSB FTW72DPG23](https://openairdocs.org/ntsb/FTW72DPG23.md): Snow 600S2D · Parkin, AR · Accident · No injuries · Closed · Aug 16, 1971 · N1725S · Substantial damage
- [NTSB LAX72DVA13](https://openairdocs.org/ntsb/LAX72DVA13.md): Grumman G-164 · Buttnwillow, CA · Accident · No injuries · Closed · Aug 14, 1971 · N728Y · Substantial damage
- [NTSB MKC72FER16](https://openairdocs.org/ntsb/MKC72FER16.md): Boeing A75N1 · Waseca, MN · Accident · No injuries · Closed · Aug 12, 1971 · N64514 · Destroyed
- [NTSB MIA72FKQ09](https://openairdocs.org/ntsb/MIA72FKQ09.md): Grumman G-164A · Swan Lake, MS · Accident · No injuries · Closed · Aug 12, 1971 · N7843 · Substantial damage
- [NTSB LAX72DUJ23](https://openairdocs.org/ntsb/LAX72DUJ23.md): Naval Fcty N3N-3 · Stanfield, AZ · Accident · No injuries · Closed · Aug 11, 1971 · N44713 · No damage
- [NTSB SEA72FYI04](https://openairdocs.org/ntsb/SEA72FYI04.md): Kaman HUK-1 · Central Pt, OR · Accident · No injuries · Closed · Aug 7, 1971 · N9847 · Substantial damage
- [NTSB OAK72DVA01](https://openairdocs.org/ntsb/OAK72DVA01.md): Boeing A75 · Mendota, CA · Accident · No injuries · Closed · Jul 2, 1971 · N5041V · Substantial damage
- [NTSB MKC71FCJ64](https://openairdocs.org/ntsb/MKC71FCJ64.md): Snow 600S2C · Falls City, NE · Accident · No injuries · Closed · May 19, 1971 · N1692S · Substantial damage
- [NTSB FTW71DRA63](https://openairdocs.org/ntsb/FTW71DRA63.md): Snow 600S2C · Hamshire, TX · Accident · No injuries · Closed · May 17, 1971 · N1650S · Substantial damage
- [NTSB SEA71FYG48](https://openairdocs.org/ntsb/SEA71FYG48.md): Snow 600S2C · Pasco, WA · Accident · No injuries · Closed · Apr 30, 1971 · N1853S · Substantial damage
- [NTSB FTW71FRA54](https://openairdocs.org/ntsb/FTW71FRA54.md): Grumman G-164 · Eagle Lake, TX · Accident · No injuries · Closed · Apr 26, 1971 · N10281 · Substantial damage
- [NTSB OAK71FVG65](https://openairdocs.org/ntsb/OAK71FVG65.md): Grumman G-164 · Biggs, CA · Accident · Minor injuries · Closed · Apr 15, 1971 · N716Y · Substantial damage
- [NTSB FTW71DPD48](https://openairdocs.org/ntsb/FTW71DPD48.md): N American SNJ-4 · Brownwood, TX · Accident · No injuries · Closed · Mar 11, 1971 · N7406C · Substantial damage
- [NTSB SEA71FWG37](https://openairdocs.org/ntsb/SEA71FWG37.md): Grumman G-164A · St John, WA · Accident · No injuries · Closed · Feb 17, 1971 · N6567 · 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 ('52016'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52016&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.