# NTSB investigations, 2012, SD

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 CEN13CA108](https://openairdocs.org/ntsb/CEN13CA108.md): Piper PA-18-150 · Okaton, SD · Accident · No injuries · Data collection · Final report · Dec 11, 2012 · N3471Z · Substantial damage
  > The pilot's failure to perform an adequate preflight inspection of the airplane and obstruction of the aileron control system by snow and ice, which led to a loss of control during flight.
- [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 CEN12LA634](https://openairdocs.org/ntsb/CEN12LA634.md): North Wing Design Apache Sport · Vermillion, SD · Accident · 1 fatal · Limited investigation · Final report · Sep 14, 2012 · N850GB · Destroyed
  > The pilot’s failure to maintain control of the weight-shift-control aircraft during initial climb, which resulted in an aerodynamic stall/spin.
- [NTSB CEN12FA579](https://openairdocs.org/ntsb/CEN12FA579.md): Lee Paul SQ 2000 · Pierre, SD · Accident · 1 fatal · Field investigation · Final report · Aug 28, 2012 · N416 · Substantial damage
  > The airplane's entry into a pilot-induced oscillation and the pilot’s loss of airplane control during the takeoff initial climb. Contributing to the accident was the left entrance door opening in flight for undetermined reasons.
- [NTSB CEN12LA580](https://openairdocs.org/ntsb/CEN12LA580.md): Cessna 140 · Spearfish, SD · Accident · No injuries · Limited investigation · Final report · Aug 25, 2012 · N140XX · Substantial damage
  > The partial loss of engine power due to debris lodged beneath the throttle body of the carburetor venturi.
- [NTSB CEN12LA557](https://openairdocs.org/ntsb/CEN12LA557.md): Bell 47G-2 · Flandreau, SD · Accident · No injuries · Limited investigation · Final report · Aug 14, 2012 · N444EH · Substantial damage
  > A malfunction of the helicopter’s throttle system, which resulted in a loss of engine power during cruise flight.
- [NTSB CEN12CA375](https://openairdocs.org/ntsb/CEN12CA375.md): Air Tractor AT-502 · Ipswich, SD · Accident · No injuries · Data collection · Final report · Jun 15, 2012 · N45379 · Substantial damage
  > The pilot's failure to abort the takeoff, which resulted in a runway excursion.
- [NTSB CEN12LA346](https://openairdocs.org/ntsb/CEN12LA346.md): Beech 77 · Clark, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 7, 2012 · N18012 · Substantial damage
  > The pilot’s improper fuel management, which led to fuel exhaustion, and his failure to maintain adequate airspeed resulting in an aerodynamic stall.
- [NTSB CEN12LA357](https://openairdocs.org/ntsb/CEN12LA357.md): Rockwell International S-2R · Howard, SD · Accident · No injuries · Limited investigation · Final report · May 23, 2012 · N8421V · Substantial damage
  > A fractured fabricated aluminum oil line, which resulted in oil exhaustion followed by a forced landing.
- [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 CEN12LA283](https://openairdocs.org/ntsb/CEN12LA283.md): Beech 58 · Sioux Falls, SD · Accident · No injuries · Limited investigation · Final report · Apr 24, 2012 · N8121R · Substantial damage
  > The failure of the normal and emergency landing gear system to fully retract or extend the landing gear for reasons that could not be determined during postaccident examinations, which resulted in a partial gear-up landing.
- [NTSB CEN12LA242](https://openairdocs.org/ntsb/CEN12LA242.md): Bell 407 · Aberdeen, SD · Accident · Minor injuries · Limited investigation · Final report · Apr 14, 2012 · N509MT · Substantial damage
  > The fatigue failure of two turbine engine blades due to vibration.
- [NTSB CEN12LA230](https://openairdocs.org/ntsb/CEN12LA230.md): Robinson Helicopter R22 Beta · Isabel, SD · Accident · Serious injuries · Limited investigation · Final report · Apr 5, 2012 · N104MH · Substantial damage
  > The partial loss of engine power due to carburetor ice.
- [NTSB CEN12LA175](https://openairdocs.org/ntsb/CEN12LA175.md): Piper PA-28-161 · Rapid City, SD · Accident · No injuries · Limited investigation · Final report · Feb 24, 2012 · N20GG · Substantial damage
  > The loss of engine power during climb due to carburetor icing. Contributing to the accident was the limited travel of the carburetor heat valve which prevented application of maximum carburetor heat.
- [NTSB CEN12CA159](https://openairdocs.org/ntsb/CEN12CA159.md): Maule MX-7-235 · Tea, SD · Accident · No injuries · Data collection · Final report · Feb 8, 2012 · N5664N · Substantial damage
  > The pilot did not maintain directional control of the airplane during a crosswind landing.

## 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") = 2012
  AND c."eventStateOrRegion" = 'SD' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=SD&year=2012

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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.