# NTSB investigations, SD: Controlled flight into terr/obj (CFIT)

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 CEN24FA295](https://openairdocs.org/ntsb/CEN24FA295.md): Piper PA-28-180 · Irene, SD · Accident · 1 fatal · Class 3 · Field · Final report · Jul 31, 2024 · N903US · Destroyed
  > The pilot’s poor decision to continue the flight into deteriorating weather conditions and his failure to maintain a safe altitude, which resulted in controlled flight into trees and terrain.
- [NTSB GAA16LA128](https://openairdocs.org/ntsb/GAA16LA128.md): Piper PA24 · Sturgis, SD · Accident · Serious injuries · Limited investigation · Final report · Feb 12, 2016 · N6691P · Substantial damage
  > The pilot's failure to execute the published missed approach procedure in a timely manner, which resulted in collision with a light pole and subsequent impact with terrain.
- [NTSB GAA15CA251](https://openairdocs.org/ntsb/GAA15CA251.md): Air Tractor AT 402A · Fort Pierre, SD · Accident · Minor injuries · Data collection · Final report · Sep 4, 2015 · N321DA · Substantial damage
  > The pilot's failure to maintain obstacle clearance, which resulted in the airplane striking guy-wires during aerial application operations.
- [NTSB GAA15CA196](https://openairdocs.org/ntsb/GAA15CA196.md): Robinson Helicopter R44 II · Forest City, SD · Accident · No injuries · Data collection · Final report · Jul 2, 2015 · N824DK · Substantial damage
  > The pilot's failure to monitor the flight environment for adequate terrain/obstacle clearance during takeoff, which resulted in the inflight collision with power transmission line wires.
- [NTSB CEN14FA224](https://openairdocs.org/ntsb/CEN14FA224.md): Piper PA 32R-300 · Highmore, SD · Accident · 4 fatal · Field investigation · Final report · Apr 28, 2014 · N8700E · Destroyed
  > The pilot's decision to continue the flight into known deteriorating weather conditions at a low altitude and his subsequent failure to remain clear of an unlit wind turbine. Contributing to the accident was the inoperative obstruction light on the wind…
- [NTSB CEN12CA658](https://openairdocs.org/ntsb/CEN12CA658.md): Cessna 175A · Spearfish, SD · Accident · No injuries · Data collection · Final report · Sep 25, 2012 · N6979E · Substantial damage
  > The pilot's delayed decision to abandon the landing attempt, which resulted in the airplane colliding with rising terrain.
- [NTSB CEN12CA313](https://openairdocs.org/ntsb/CEN12CA313.md): Ayres S2R-R1340 · Clear Lake, SD · Accident · Serious injuries · Data collection · Final report · May 23, 2012 · N30951 · Substantial damage
  > The pilot's failure to perform a detailed observation of the power lines before beginning the aerial application work, which resulted in an inadvertent collision with the two lower wires.
- [NTSB CEN09CA616](https://openairdocs.org/ntsb/CEN09CA616.md): Piper PA-36-285 · Clark, SD · Accident · No injuries · Data collection · Final report · Jun 12, 2009 · N57625 · Substantial damage
  > The pilot's inadequate visual lookout and failure to maintain clearance from a levy.
- [NTSB CHI08CA235](https://openairdocs.org/ntsb/CHI08CA235.md): Cessna 150L · Watertown, SD · Accident · Minor injuries · Data collection · Final report · Aug 4, 2008 · N16235 · Substantial damage
  > The pilot's failure to maintain altitude/clearance from terrain during cruise. Contributing to the accident was the night, the haze, and the tall vegetation.

## 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" = 'SD' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '120' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/120/sequence?state=SD

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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.
