# NTSB investigations, 1971, IA

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 · 105 cases

## Latest cases

- [NTSB MKC72AK041](https://openairdocs.org/ntsb/MKC72AK041.md): Piper PA-28R · Davenport, IA · Accident · 2 fatal · Closed · Dec 25, 1971 · N7477J · Destroyed
- [NTSB MKC72FCD49](https://openairdocs.org/ntsb/MKC72FCD49.md): Mitsubishi MU-2B · Lemars, IA · Accident · Serious injuries · Closed · Dec 22, 1971 · N251M · No damage
- [NTSB MKC72AK038](https://openairdocs.org/ntsb/MKC72AK038.md): Erco 415C · Lake Mills, IA · Accident · 1 fatal · Closed · Dec 19, 1971 · N93703 · Destroyed
- [NTSB MKC72DCD48](https://openairdocs.org/ntsb/MKC72DCD48.md): Piper PA-20 · Woodbine, IA · Accident · No injuries · Closed · Dec 10, 1971 · N7044K · Substantial damage
- [NTSB MKC73DCD19](https://openairdocs.org/ntsb/MKC73DCD19-164776.md): Aeronca 7AC · Decorah, IA · Accident · No injuries · Closed · Dec 4, 1971 · N85286 · Substantial damage
- [NTSB MKC72DCD47](https://openairdocs.org/ntsb/MKC72DCD47.md): Piper PA-32 · Dubuque, IA · Accident · No injuries · Closed · Nov 17, 1971 · N4139W · Substantial damage
- [NTSB MKC72FCD44](https://openairdocs.org/ntsb/MKC72FCD44.md): Piper PA-28 · Newton, IA · Accident · No injuries · Closed · Nov 14, 1971 · N6649J · Substantial damage
- [NTSB MKC72DCD45](https://openairdocs.org/ntsb/MKC72DCD45.md): Piper PA-32 · Ida Grove, IA · Accident · No injuries · Closed · Nov 14, 1971 · N4063R · Substantial damage
- [NTSB MKC72DCD46](https://openairdocs.org/ntsb/MKC72DCD46.md): Cessna 140 · Chillicothe, IA · Accident · No injuries · Closed · Nov 7, 1971 · N1621V · Substantial damage
- [NTSB MKC72DCD43](https://openairdocs.org/ntsb/MKC72DCD43.md): Cessna 140 · Mapleton, IA · Accident · Minor injuries · Closed · Nov 6, 1971 · N89093 · Substantial damage
- [NTSB MKC72DCD42](https://openairdocs.org/ntsb/MKC72DCD42.md): Cessna 170A · Marion, IA · Accident · No injuries · Closed · Oct 31, 1971 · N9145A · Substantial damage
- [NTSB MKC72DCD40](https://openairdocs.org/ntsb/MKC72DCD40.md): Aero Comdr 500-B · Waterloo, IA · Accident · No injuries · Closed · Oct 18, 1971 · N553HH · Substantial damage
- [NTSB MKC72FCD39](https://openairdocs.org/ntsb/MKC72FCD39.md): Aeronca 0-58B · Des Moines, IA · Accident · No injuries · Closed · Oct 17, 1971 · N48295 · Substantial damage
- [NTSB MKC72DCD41](https://openairdocs.org/ntsb/MKC72DCD41.md): Piper PA-12 · Harlan, IA · Accident · No injuries · Closed · Oct 15, 1971 · N7982H · Substantial damage
- [NTSB MKC72DCD38](https://openairdocs.org/ntsb/MKC72DCD38.md): Piper PA-32 · Marshalltown, IA · Accident · No injuries · Closed · Oct 13, 1971 · N4031R · Substantial damage
- [NTSB MKC72FCD34](https://openairdocs.org/ntsb/MKC72FCD34.md): Cessna 150E · Spirit Lake, IA · Accident · Minor injuries · Closed · Oct 10, 1971 · N3967U · Destroyed
- [NTSB MKC72DCD36](https://openairdocs.org/ntsb/MKC72DCD36.md): Cessna 172 · Independence, IA · Accident · No injuries · Closed · Oct 10, 1971 · N8283U · Substantial damage
- [NTSB MKC72FCD35](https://openairdocs.org/ntsb/MKC72FCD35.md): Luscombe 8E · Osage, IA · Accident · Serious injuries · Closed · Oct 2, 1971 · N1971K · Destroyed
- [NTSB MKC72DCD37](https://openairdocs.org/ntsb/MKC72DCD37.md): Beech 35 · Algona, IA · Accident · No injuries · Closed · Oct 2, 1971 · N3922N · 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 MKC72DCD31](https://openairdocs.org/ntsb/MKC72DCD31.md): Cessna 182G · Des Moines, IA · Accident · No injuries · Closed · Sep 13, 1971 · N3240S · Substantial damage
- [NTSB MKC72FGD29](https://openairdocs.org/ntsb/MKC72FGD29.md): Amer Avco AA-1 · Blakesburg, IA · Accident · No injuries · Closed · Sep 5, 1971 · N5973L · Substantial damage
- [NTSB MKC72DCD33](https://openairdocs.org/ntsb/MKC72DCD33.md): Piper PA-28 · Osage, IA · Accident · No injuries · Closed · Sep 5, 1971 · N4203J · Substantial damage
- [NTSB MKC72FCD28](https://openairdocs.org/ntsb/MKC72FCD28.md): Cessna 172 · Blakesburg, IA · Accident · No injuries · Closed · Sep 4, 1971 · N2517Y · 2 aircraft · Substantial damage
- [NTSB MKC72DCD30](https://openairdocs.org/ntsb/MKC72DCD30.md): Cessna 150G · Knoxville, IA · Accident · No injuries · Closed · Aug 25, 1971 · N3012S · Substantial damage
- [NTSB MKC72DCD26](https://openairdocs.org/ntsb/MKC72DCD26.md): Beech C35 · Sac City, IA · Accident · No injuries · Closed · Aug 22, 1971 · N1890D · Substantial damage
- [NTSB MKC72AK017](https://openairdocs.org/ntsb/MKC72AK017.md): Beech F-35 · Whittemore, IA · Accident · No injuries · Closed · Aug 22, 1971 · N4280B · Substantial damage
- [NTSB MKC72DCD27](https://openairdocs.org/ntsb/MKC72DCD27.md): Cessna 150G · Calamus, IA · Accident · No injuries · Closed · Aug 21, 1971 · N4738X · Substantial damage
- [NTSB MKC72DCD25](https://openairdocs.org/ntsb/MKC72DCD25.md): Aeronca 7AC · Monticello, IA · Accident · No injuries · Closed · Aug 16, 1971 · N84230 · Substantial damage
- [NTSB MKC72DCD24](https://openairdocs.org/ntsb/MKC72DCD24.md): Hughes 269A · Nevada, IA · Accident · No injuries · Closed · Aug 13, 1971 · N8892F · Substantial damage
- [NTSB MKC72DCD22](https://openairdocs.org/ntsb/MKC72DCD22.md): Piper J3C-65 · Bennett, IA · Accident · No injuries · Closed · Aug 13, 1971 · N42935 · Substantial damage
- [NTSB MKC72DCD21](https://openairdocs.org/ntsb/MKC72DCD21.md): Grumman G-164 · Albia, IA · Accident · No injuries · Closed · Aug 13, 1971 · N549Y · Substantial damage
- [NTSB MKC72DCD23](https://openairdocs.org/ntsb/MKC72DCD23.md): Piper PA-25 · Manchester, IA · Accident · No injuries · Closed · Aug 12, 1971 · N7230Z · Substantial damage
- [NTSB MKC72DCD20](https://openairdocs.org/ntsb/MKC72DCD20.md): Luscombe 8F · Vinton, IA · Accident · No injuries · Closed · Aug 12, 1971 · N9922C · Substantial damage
- [NTSB MKC72FCD18](https://openairdocs.org/ntsb/MKC72FCD18.md): Piper PA-18 · Webster City, IA · Accident · 1 fatal · Closed · Aug 11, 1971 · N1731A · Destroyed
- [NTSB MKC72FCD17](https://openairdocs.org/ntsb/MKC72FCD17.md): Taylorcraft BL-65 · Ackley, IA · Accident · Serious injuries · Closed · Aug 8, 1971 · N36214 · Destroyed
- [NTSB MKC72AK009](https://openairdocs.org/ntsb/MKC72AK009.md): Cessna 172 · Bridgewater, IA · Accident · 1 fatal · Closed · Aug 5, 1971 · N6389E · Destroyed
- [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 MKC72DCD15](https://openairdocs.org/ntsb/MKC72DCD15.md): Cessna 150 · Knoxville, IA · Accident · No injuries · Closed · Jul 31, 1971 · N561QL · Substantial damage
- [NTSB MKC72FCD11](https://openairdocs.org/ntsb/MKC72FCD11.md): Piper PA-30 · Storm Lake, IA · Accident · Serious injuries · Closed · Jul 28, 1971 · N7409Y · Destroyed
- [NTSB MKC72DCD14](https://openairdocs.org/ntsb/MKC72DCD14.md): Cessna 172K · Lowden, IA · Accident · No injuries · Closed · Jul 23, 1971 · N78842 · Substantial damage
- [NTSB MKC72FCD08](https://openairdocs.org/ntsb/MKC72FCD08.md): Bell 47-G5 · New Market, IA · Accident · No injuries · Closed · Jul 20, 1971 · N4705R · Destroyed
- [NTSB MKC72DCD12](https://openairdocs.org/ntsb/MKC72DCD12.md): Piper PA-25 · Oelwein, IA · Accident · No injuries · Closed · Jul 19, 1971 · N6215Z · Substantial damage
- [NTSB MKC72FCD10](https://openairdocs.org/ntsb/MKC72FCD10.md): Brantly B-2 · Whiting, IA · Accident · No injuries · Closed · Jul 17, 1971 · N5988X · No damage
- [NTSB MKC72DCD13](https://openairdocs.org/ntsb/MKC72DCD13.md): Piper PA-30 · Davenport, IA · Accident · No injuries · Closed · Jul 16, 1971 · N8137Y · Substantial damage
- [NTSB MKC72DCD06](https://openairdocs.org/ntsb/MKC72DCD06.md): Piper PA-18 · Thayer, IA · Accident · Minor injuries · Closed · Jul 15, 1971 · N4430Z · Substantial damage
- [NTSB MKC72DGD40](https://openairdocs.org/ntsb/MKC72DGD40.md): Fournier RF4D · Sibley, IA · Accident · No injuries · Closed · Jul 12, 1971 · N7752 · Substantial damage
- [NTSB MKC72FCD03](https://openairdocs.org/ntsb/MKC72FCD03.md): Cessna 177 · Independence, IA · Accident · No injuries · Closed · Jul 11, 1971 · N29462 · Substantial damage
- [NTSB MKC72FCD05](https://openairdocs.org/ntsb/MKC72FCD05.md): Brantly B2B · Spencer, IA · Accident · No injuries · Closed · Jul 9, 1971 · N2161U · Substantial damage

Next page: https://openairdocs.org/ntsb.md?year=1971&state=IA&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."eventStateOrRegion" = 'IA' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=IA&year=1971

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