# Major NTSB investigations, IN

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 DCA95MA001](https://openairdocs.org/ntsb/DCA95MA001.md): ATR ATR-72-212 · Roselawn, IN · Accident · 68 fatal · Class 1 · Major · Final report · Oct 31, 1994 · N401AM · Destroyed
  > the loss of control, attributed to a sudden and unexpected aileron hinge moment reversal that occurred after a ridge of ice accreted beyond the deice boots while the airplane was in a holding pattern during which it intermittently encountered supercooled…
- [NTSB CHI94MA032](https://openairdocs.org/ntsb/CHI94MA032.md): Cessna 421B · Greensburg, IN · Accident · 5 fatal · Major investigation · Final report · Nov 6, 1993 · N41010 · Destroyed
  > an inadvertent stall by the pilot in command. Factors associated with the accident are the icing conditions and low ceilings.
- [NTSB DCA92MA049](https://openairdocs.org/ntsb/DCA92MA049.md): Mitsubishi MU-2B-60 · Greenwood, IN · Accident · 6 fatal · Class 1 · Major · Final report · Sep 11, 1992 · N74FB · 2 aircraft · Destroyed
  > The inherent limitations of the see-and-avoid concept of separation of aircraft operating under visual flight rules that precluded the pilots of the MU-2 and the PA-32 from recognizing a collision hazard and taking actions to avoid the midair collision.…
- [NTSB CHI89MA057](https://openairdocs.org/ntsb/CHI89MA057.md): Nihon YS-11A-600 · West Lafayette, IN · Accident · 2 fatal · Major investigation · Final report · Mar 15, 1989 · N128MP · Destroyed
  > A loss of control due to the improper inflight decisions by the crew and the undetected accumulation of ice on the leading edge of the horizontal stabilizer, during flight in a forward center of gravity condition and exacerbated by the extension of full…
- [NTSB CHI89MA047](https://openairdocs.org/ntsb/CHI89MA047.md): Dassault-Breguet Falcon 900 · South Bend, IN · Accident · No injuries · Major investigation · Final report · Jan 20, 1989 · N901B · Substantial damage
  > Failure of the thrust reverser actuator links due to a manufacturing/design problem. Factors related to the accident were: the adverse runway conditions and the crosswind.
- [NTSB CHI87MA053](https://openairdocs.org/ntsb/CHI87MA053.md): Hughes 269B · Cross Plaines, IN · Accident · 2 fatal · Major investigation · Final report · Dec 10, 1986 · N8982F · Destroyed
  > The plt & observer were on a power line patrol flt. While proceeding southbound, they apchd an area were the lines were about 23 ft AGL & were crossed by another set of power lines, oriented in an east-west direction. The other power lines were about 45 ft…
- [NTSB DCA80AA020](https://openairdocs.org/ntsb/DCA80AA020.md): Lockheed 1049H · Columbus, IN · Accident · 3 fatal · Closed · Jun 22, 1980 · N74CA · Destroyed
- [NTSB DCA78AA001](https://openairdocs.org/ntsb/DCA78AA001-79688.md): Douglas DC-3 · Evansville, IN · Accident · 29 fatal · Closed · Dec 13, 1977 · N51071 · Destroyed
- [NTSB DCA70A0004](https://openairdocs.org/ntsb/DCA70A0004.md): Piper PA-28 · Fairland, IN · Accident · 83 fatal · Closed · Sep 9, 1969 · N7374J · 2 aircraft · Destroyed

## 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 c."eventStateOrRegion" = 'IN' AND c."eventCountry" = 'USA'
  AND (c.board_report_url IS NOT NULL OR c."investigationClass" = 'Class 1' OR c."caseType" = 'Major - Launch')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?major=1&state=IN

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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.