# NTSB investigations: AiResearch TPE331 series, 1984

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 FTW85FA086](https://openairdocs.org/ntsb/FTW85FA086.md): Cessna 441 · Marble Falls, TX · Accident · 1 fatal · Field investigation · Final report · Dec 26, 1984 · N441CM · Destroyed
  > The acft crashed aprx 1.5 miles south of the departure end of rwy 17 during an attempted rwy 17 NDB apch. The acft was cleared for the apch at 2012 CST and the plt canceled IFR reporting the arpt in sight at 2014. A witness located aprx 1 mile south of the…
- [NTSB DEN84MA266](https://openairdocs.org/ntsb/DEN84MA266.md): Aero Commander 690 · Little America, WY · Accident · 4 fatal · Major investigation · Final report · Aug 25, 1984 · N9150N · Destroyed
  > About 10 min after takeoff at 1005 MDT, the plt was cleared to climb to FL 190. This was atc's last communication with the acft. At 1030:39, the controller attempted to contact the plt to advise that he had lost radar contact & to recycle the transponder &…
- [NTSB FTW84LA228](https://openairdocs.org/ntsb/FTW84LA228.md): Rockwell S-2R · Bay City, TX · Accident · 1 fatal · Limited investigation · Final report · May 10, 1984 · N8481V · Substantial damage
  > While spraying a field with propanel & modown grass killers, the plt was crossing below a high tension power line. The vertical stabilizer contacted the lowest wire which tore loose the vertical stabilizer. The acft pitched nose up, then it dove down, crashed…
- [NTSB DCA84AA022](https://openairdocs.org/ntsb/DCA84AA022.md): Mitsubishi MU-2B-60 · Burlington, CT · Accident · 1 fatal · Final report · Apr 20, 1984 · N466MA · Destroyed
  > The acft was flown earlier in the day for a sales demonstration. On the return flt, when the landing gear were lowered, the plt thought he heard a noise emitting from the gear, although cockpit indications were normal. The acft landed at johnnycake arpt & was…
- [NTSB ATL84IA134](https://openairdocs.org/ntsb/ATL84IA134.md): Beech C90 · Herndon, VA · Incident · No injuries · Incident investigation · Final report · Mar 29, 1984 · N66KA · Minor damage
  > The acft entered an uncommanded dive at about 11,000 ft MSL, with recovery made below 2,000 ft MSL. Investigation revealed that during the descent, in order to accomodate other air traffic, the plt exceeded vne speeds. Shortly, thereafter the elevator trim…
- [NTSB DCA84AA015](https://openairdocs.org/ntsb/DCA84AA015.md): Swearingen SA226TC · Terre Haute, IN · Accident · 3 fatal · Final report · Jan 30, 1984 · N63Z · Destroyed
  > After taking off from rwy 23, the acft crashed ssw of the arpt about 6300 ft from the departure end of the rwy & about 1800 ft to the left of the rwy centerline. Impact occurred while the acft was in a steep descent. The wreckage path was scattered along a…

## 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") = 1984
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('01514', '01517'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=01514&year=1984

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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.