# NTSB investigations, 1981, MT

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 · 52 cases

## Latest cases

- [NTSB DEN82FTA08](https://openairdocs.org/ntsb/DEN82FTA08.md): Piper PA-24 · Rock Springs, MT · Accident · Serious injuries · Closed · Dec 27, 1981 · N9376P · Substantial damage
- [NTSB DEN81DTA07](https://openairdocs.org/ntsb/DEN81DTA07.md): Cessna 152 · Big Timber, MT · Accident · Minor injuries · Closed · Dec 23, 1981 · N5528B · Substantial damage
- [NTSB DEN82FTA06](https://openairdocs.org/ntsb/DEN82FTA06.md): Aeronca 7DC · Billings, MT · Accident · No injuries · Closed · Dec 17, 1981 · N2848E · Substantial damage
- [NTSB DEN82FTA05](https://openairdocs.org/ntsb/DEN82FTA05.md): Hughes 269C · Billings, MT · Accident · No injuries · Closed · Nov 26, 1981 · N9832F · Substantial damage
- [NTSB DEN82FTA04](https://openairdocs.org/ntsb/DEN82FTA04.md): Ayres S2R · Richey, MT · Accident · Minor injuries · Closed · Nov 23, 1981 · N5686X · Substantial damage
- [NTSB DEN82FTI08](https://openairdocs.org/ntsb/DEN82FTI08.md): Cessna 182 · Chinook, MT · Accident · No injuries · Closed · Nov 17, 1981 · N2390R · Substantial damage
- [NTSB DEN82FTI07](https://openairdocs.org/ntsb/DEN82FTI07.md): Beech 35-C33 · Dillion, MT · Accident · No injuries · Closed · Nov 10, 1981 · N5649S · Substantial damage
- [NTSB DEN82FTI06](https://openairdocs.org/ntsb/DEN82FTI06.md): Piper PA-22 · Missoula, MT · Accident · No injuries · Closed · Nov 6, 1981 · N9704D · Substantial damage
- [NTSB DEN82FTI05](https://openairdocs.org/ntsb/DEN82FTI05.md): Piper PA-30 · Sheridan, MT · Accident · Minor injuries · Closed · Oct 31, 1981 · N7306Y · Substantial damage
- [NTSB DEN82FTI04](https://openairdocs.org/ntsb/DEN82FTI04.md): Bellanca 7GCBC · Fairfield, MT · Accident · No injuries · Closed · Oct 31, 1981 · N5542K · Substantial damage
- [NTSB DEN82FTI03](https://openairdocs.org/ntsb/DEN82FTI03.md): Bell 47D1 · Haugen, MT · Accident · No injuries · Closed · Oct 27, 1981 · N112B · Substantial damage
- [NTSB DEN82FTI02](https://openairdocs.org/ntsb/DEN82FTI02.md): Bell 206B · Whitehall, MT · Accident · No injuries · Closed · Oct 25, 1981 · N90142 · Substantial damage
- [NTSB DEN81FTA03](https://openairdocs.org/ntsb/DEN81FTA03.md): Brantly B-2B · Broadus, MT · Accident · No injuries · Closed · Oct 18, 1981 · N2271U · Substantial damage
- [NTSB DEN82FTA02](https://openairdocs.org/ntsb/DEN82FTA02.md): Piper PA-18 · Ekalaka, MT · Accident · No injuries · Closed · Oct 10, 1981 · N62672 · Substantial damage
- [NTSB DEN81FTA01](https://openairdocs.org/ntsb/DEN81FTA01-123171.md): Piper PA-18 · Glasgow, MT · Accident · Serious injuries · Closed · Oct 10, 1981 · N1081A · Substantial damage
- [NTSB DEN82FTI01](https://openairdocs.org/ntsb/DEN82FTI01.md): Piper PA-28 · Helena, MT · Accident · Serious injuries · Closed · Oct 3, 1981 · N30355 · Substantial damage
- [NTSB DEN81FA068](https://openairdocs.org/ntsb/DEN81FA068.md): Cessna T210L · Big Timber, MT · Accident · 1 fatal · Closed · Sep 25, 1981 · N94136 · Destroyed
- [NTSB DEN81DTI21](https://openairdocs.org/ntsb/DEN81DTI21.md): Cessna 185 · Somers, MT · Accident · No injuries · Closed · Sep 23, 1981 · N5045R · Substantial damage
- [NTSB DEN81FTI20](https://openairdocs.org/ntsb/DEN81FTI20.md): Beech 23 · Deer Lodge, MT · Accident · Serious injuries · Closed · Sep 22, 1981 · N2387Z · Substantial damage
- [NTSB DEN81FTA14](https://openairdocs.org/ntsb/DEN81FTA14.md): Piper PA-18 · Zortman, MT · Accident · Minor injuries · Closed · Sep 19, 1981 · N4432Z · Substantial damage
- [NTSB DEN81FTI19](https://openairdocs.org/ntsb/DEN81FTI19.md): Enstrom 280C · Helena, MT · Accident · No injuries · Closed · Sep 9, 1981 · N51694 · Substantial damage
- [NTSB DEN81FTI18](https://openairdocs.org/ntsb/DEN81FTI18.md): Aero Comdr 681 · Great Falls, MT · Accident · No injuries · Closed · Sep 2, 1981 · N578KA · Substantial damage
- [NTSB DEN81FTI17](https://openairdocs.org/ntsb/DEN81FTI17.md): Piper PA-18 · Buffalo, MT · Accident · Serious injuries · Closed · Sep 1, 1981 · N1334A · Substantial damage
- [NTSB DEN81FTI15](https://openairdocs.org/ntsb/DEN81FTI15.md): Cessna 172N · Libby, MT · Accident · Serious injuries · Closed · Aug 15, 1981 · N738XH · Substantial damage
- [NTSB DEN81FTA13](https://openairdocs.org/ntsb/DEN81FTA13.md): Cessna 177 · Lavina, MT · Accident · No injuries · Closed · Aug 9, 1981 · N34007 · Substantial damage
- [NTSB DEN81FA056](https://openairdocs.org/ntsb/DEN81FA056.md): Cessna 150M · Sidney, MT · Accident · 2 fatal · Closed · Aug 5, 1981 · N740AP · Destroyed
- [NTSB DEN81FA055](https://openairdocs.org/ntsb/DEN81FA055.md): Piper PA-28 · Kalispell, MT · Accident · 3 fatal · Closed · Aug 2, 1981 · N20776 · Substantial damage
- [NTSB DEN81FTA12](https://openairdocs.org/ntsb/DEN81FTA12.md): Aero Comdr A-9B · Park City, MT · Accident · 1 fatal · Closed · Jul 31, 1981 · N7781V · Destroyed
- [NTSB DEN81FTA11](https://openairdocs.org/ntsb/DEN81FTA11.md): Cessna T-50 · Ft Smith, MT · Accident · Serious injuries · Closed · Jul 12, 1981 · N68006 · Destroyed
- [NTSB DEN81DTI16](https://openairdocs.org/ntsb/DEN81DTI16.md): Cessna 182 · Great Falls, MT · Accident · No injuries · Closed · Jul 12, 1981 · N21055 · Substantial damage
- [NTSB DEN81DTI13](https://openairdocs.org/ntsb/DEN81DTI13.md): Cessna 172 · Schafers Mdws, MT · Accident · No injuries · Closed · Jul 12, 1981 · N7304A · Substantial damage
- [NTSB DEN81FTI14](https://openairdocs.org/ntsb/DEN81FTI14.md): Piper PA-28 · Seely Lake, MT · Accident · Minor injuries · Closed · Jul 10, 1981 · N41179 · Substantial damage
- [NTSB DEN81DTA10](https://openairdocs.org/ntsb/DEN81DTA10.md): Piper PA-24 · Miles City, MT · Accident · No injuries · Closed · Jun 27, 1981 · N8935P · Substantial damage
- [NTSB DEN81FTI12](https://openairdocs.org/ntsb/DEN81FTI12.md): Bell UH1B · Heart Butte, MT · Accident · No injuries · Closed · Jun 26, 1981 · N4237V · Substantial damage
- [NTSB DEN81FTI11](https://openairdocs.org/ntsb/DEN81FTI11.md): Hughes 269C · Ennis, MT · Accident · No injuries · Closed · Jun 26, 1981 · N8988F · Substantial damage
- [NTSB DEN81FTA08](https://openairdocs.org/ntsb/DEN81FTA08.md): Cessna 188A · Lavina, MT · Accident · No injuries · Closed · Jun 14, 1981 · N5380J · Substantial damage
- [NTSB DEN81FTA09](https://openairdocs.org/ntsb/DEN81FTA09.md): Cessna 188 · Flaxville, MT · Accident · No injuries · Closed · Jun 12, 1981 · N9852V · Substantial damage
- [NTSB DEN81DTI09](https://openairdocs.org/ntsb/DEN81DTI09.md): Cessna 180 · Jackson, MT · Accident · No injuries · Closed · Jun 5, 1981 · N3431Y · Substantial damage
- [NTSB DEN81DTI10](https://openairdocs.org/ntsb/DEN81DTI10.md): Hiller Acft UH-12E · Ulm, MT · Accident · No injuries · Closed · Jun 2, 1981 · N67088 · Substantial damage
- [NTSB DEN81FTI08](https://openairdocs.org/ntsb/DEN81FTI08.md): Cessna 188B · Turner, MT · Accident · Serious injuries · Closed · May 27, 1981 · N4827Q · Substantial damage
- [NTSB DEN81FTA07](https://openairdocs.org/ntsb/DEN81FTA07.md): Piper PA-18 · Billings, MT · Accident · No injuries · Closed · May 15, 1981 · N7474L · Substantial damage
- [NTSB DEN81DTI07](https://openairdocs.org/ntsb/DEN81DTI07.md): Aero Comdr A9B · Townsend, MT · Accident · No injuries · Closed · May 9, 1981 · N7949V · Substantial damage
- [NTSB DEN81FTI06](https://openairdocs.org/ntsb/DEN81FTI06.md): Bell 47G-3B · Thompson Falls, MT · Accident · 1 fatal · Closed · May 4, 1981 · N14802 · Destroyed
- [NTSB DEN81FTI05](https://openairdocs.org/ntsb/DEN81FTI05.md): Cessna 185F · Geraldine, MT · Accident · 1 fatal · Closed · Apr 30, 1981 · N1846R · Destroyed
- [NTSB DEN81DTI04](https://openairdocs.org/ntsb/DEN81DTI04.md): Cessna 175 · Belgrade, MT · Accident · Minor injuries · Closed · Apr 12, 1981 · N9428B · Substantial damage
- [NTSB DEN81FTA06](https://openairdocs.org/ntsb/DEN81FTA06.md): Cessna 182 · Wolf Point, MT · Accident · No injuries · Closed · Mar 24, 1981 · N2315G · Minor damage
- [NTSB DEN81FA023](https://openairdocs.org/ntsb/DEN81FA023.md): Mooney M20G · Ryegate, MT · Accident · 2 fatal · Closed · Mar 21, 1981 · N6844N · Destroyed
- [NTSB DEN81FA021](https://openairdocs.org/ntsb/DEN81FA021.md): Tavlorcraft BC-12D · Stevensville, MT · Accident · 2 fatal · Closed · Mar 14, 1981 · N96689 · Substantial damage
- [NTSB DEN81FTA05](https://openairdocs.org/ntsb/DEN81FTA05.md): Cessna 210 · Billings, MT · Accident · No injuries · Closed · Feb 5, 1981 · N3964Y · Substantial damage
- [NTSB DEN81FTA04](https://openairdocs.org/ntsb/DEN81FTA04.md): Bell 206B · Columbus, MT · Accident · Minor injuries · Closed · Jan 28, 1981 · N8533K · Substantial damage

Next page: https://openairdocs.org/ntsb.md?year=1981&state=MT&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") = 1981
  AND c."eventStateOrRegion" = 'MT' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=MT&year=1981

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