# NTSB investigations, SD: Off-field or emergency landing

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 CEN26LA019](https://openairdocs.org/ntsb/CEN26LA019.md): Bellanca 7GCBC · Bonilla, SD · Accident · No injuries · Class 4 · Limited · Final report · Oct 10, 2025 · N53853 · Substantial damage
  > The pilot’s inadequate flight planning and his failure to maintain aircraft control during the precautionary off-airport landing.
- [NTSB CEN24LA229](https://openairdocs.org/ntsb/CEN24LA229.md): Aero Commander S2R · White, SD · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 13, 2024 · N1746S · Substantial damage
  > A low-level collision and engine ingestion with ducks, which resulted in a total loss of engine power, a forced landing, and a subsequent nose over.
- [NTSB CEN24LA121](https://openairdocs.org/ntsb/CEN24LA121.md): Piper PA-28-181 · Watertown, SD · Accident · No injuries · Class 3 · Limited · Final report · Feb 25, 2024 · N38696 · Substantial damage
  > The stuck No. 2 cylinder exhaust valve, which resulted in a partial loss of engine power and a forced landing due to an undersized exhaust valve guide. Contributing to the accident were the improper manufacture of the engine cylinders, and the operation of…
- [NTSB CEN24LA076](https://openairdocs.org/ntsb/CEN24LA076.md): Piper PA-18A 150 · Vermillion, SD · Accident · No injuries · Class 3 · Limited · Final report · Dec 29, 2023 · N2774P · Substantial damage
  > The pilot’s encounter with carburetor icing during landing final approach which resulted in fuel starvation, a total loss of engine power, and impact with terrain.
- [NTSB CEN19LA053](https://openairdocs.org/ntsb/CEN19LA053.md): Piper PA28 · Salem, SD · Accident · 1 fatal · Limited investigation · Final report · Jan 13, 2019 · N75191 · Substantial damage
  > The incapacitating effects of an acute myocardial infarction (heart attack), which resulted in the pilot's loss of airplane control and impact with terrain.
- [NTSB CEN18LA146](https://openairdocs.org/ntsb/CEN18LA146.md): Cessna T303 · Pine Ridge, SD · Accident · Minor injuries · Limited investigation · Final report · Apr 24, 2018 · N9746C · Substantial damage
  > The airplane’s inadvertent encounter with severe icing conditions during descent, which resulted in structural icing, the pilot’s inability to maintain altitude, and an emergency landing. Contributing to the accident was an incomplete preflight weather…
- [NTSB CEN17LA265](https://openairdocs.org/ntsb/CEN17LA265.md): Cubcrafters CC11-160 · Milesville, SD · Accident · Minor injuries · Limited investigation · Final report · Jul 9, 2017 · N111JW · Substantial damage
  > Fuel starvation and a subsequent loss of engine power for reasons that could not be determined because a postaccident examination and a test run of the engine did not reveal any anomalies. Contributing to the accident was the pilot’s failure to maintain…
- [NTSB CEN16LA275](https://openairdocs.org/ntsb/CEN16LA275.md): Meyers 200 · Huron, SD · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 20, 2016 · N229RS · Substantial damage
  > The partial loss of engine power due an unsecured throttle cable. The reason for the unsecured throttle cable could not be determined.
- [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 GAA15CA097](https://openairdocs.org/ntsb/GAA15CA097.md): Bell 47G 3B 1 · Fort Pierre, SD · Accident · No injuries · Data collection · Final report · May 28, 2015 · N112SH · Substantial damage
  > The pilot's inadequate preflight fuel planning that resulted in a total loss of engine power due to fuel exhaustion, and the pilot's failure to maintain control of the helicopter during the subsequent autorotation landing.
- [NTSB CEN13LA228](https://openairdocs.org/ntsb/CEN13LA228.md): Robinson Helicopter R44 II · Buffalo, SD · Accident · No injuries · Limited investigation · Final report · Apr 13, 2013 · N424DP · Substantial damage
  > The pilot’s failure to maintain adequate main rotor rpm while maneuvering at a low altitude in gusting wind conditions, which resulted in an emergency landing on uneven terrain.
- [NTSB CEN13LA220](https://openairdocs.org/ntsb/CEN13LA220.md): Walker Phil RV-6A · Spearfish, SD · Accident · Minor injuries · Limited investigation · Final report · Apr 4, 2013 · N525PW · Substantial damage
  > The coil-distributor wire loosening in flight, which rendered the ignition system inoperative and subsequently caused the loss of engine power.
- [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 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 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 CEN11LA563](https://openairdocs.org/ntsb/CEN11LA563.md): Grumman Acft ENG Cor-Schweizer G-164A · Mansfield, SD · Accident · No injuries · Limited investigation · Final report · Aug 10, 2011 · N127FC · Substantial damage
  > The loss of engine power due to debris in the engine air intake system.
- [NTSB CEN10CA305](https://openairdocs.org/ntsb/CEN10CA305.md): Cessna 337 · Custer, SD · Accident · No injuries · Data collection · Final report · Jun 5, 2010 · N2267X · Substantial damage
  > A partial loss of engine power due to fuel starvation as a result of the pilot's inadequate fuel mismanagement.
- [NTSB CEN09CA519](https://openairdocs.org/ntsb/CEN09CA519.md): Cessna 182A · Watertown, SD · Accident · No injuries · Data collection · Final report · Jul 31, 2009 · N2131G · Substantial damage
  > A loss of engine power due to fuel exhaustion as a result of a fuel tank leak. Contributing to the accident was the reported malfunction of the fuel gauge.
- [NTSB CEN09CA026](https://openairdocs.org/ntsb/CEN09CA026.md): Holland Rotorway 162F · Rutland, SD · Accident · Minor injuries · Data collection · Final report · Oct 10, 2008 · N162NJ · Substantial damage
  > The loss of torque due to a failure of a transmission drivebelt and the pilot's delayed landing flare during the autorotation. Contributing to the accident was the dusk light condition and the corn crop.
- [NTSB CHI08CA246](https://openairdocs.org/ntsb/CHI08CA246.md): Air Tractor AT-802A · Turton, SD · Accident · No injuries · Data collection · Final report · Aug 10, 2008 · N9078G · Substantial damage
  > The failure of the starter generator which resulted in the subsequent loss of engine power. Contributing to the accident were the low altitude at which the airplane was operating, the tall grass, and the ditch.

## 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" = '440' 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/440/sequence?state=SD

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