# NTSB investigations, SD: In flight collision with object

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 CHI07LA147](https://openairdocs.org/ntsb/CHI07LA147.md): Thrush S2RHG-T65 · Tyndall, SD · Accident · 1 fatal · Limited investigation · Final report · May 19, 2007 · N40097 · Destroyed
  > The pilot not maintaining altitude/clearance from a powerline while maneuvering. A factor was the low visibility associated with the thunderstorm and the powerlines.
- [NTSB CHI05LA164](https://openairdocs.org/ntsb/CHI05LA164.md): Rockwell S-2R · Bristol, SD · Accident · 1 fatal · Limited investigation · Final report · Jul 5, 2005 · N3211R · Substantial damage
  > The pilot's failure to maintain clearance with the static lines between the transmission towers. A factor associated with the accident were the static lines.
- [NTSB CHI05CA147](https://openairdocs.org/ntsb/CHI05CA147.md): Bell 47G · Twin Brooks, SD · Accident · Minor injuries · Data collection · Final report · May 19, 2005 · N8505F · Substantial damage
  > The pilot's inadequate lookout and his failure to maintain clearance with the power lines. A factor was the low altitude at which the helicopter was operating.
- [NTSB CHI03LA254](https://openairdocs.org/ntsb/CHI03LA254.md): Weatherly 620A · Doland, SD · Accident · No injuries · Limited investigation · Final report · Aug 10, 2003 · N4656M · Substantial damage
  > The pilot's failure to maintain clearance from the wires and directional control not being possible due to the failure of the brake system. Factors contributing to the accident were the wires, the trees, and the failure of the brake system.
- [NTSB CHI03LA243](https://openairdocs.org/ntsb/CHI03LA243.md): Rockwell International S-2R · Mitchell, SD · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2003 · N4923X · Substantial damage
  > The pilot's inadequate visual lookout and not maintaining clearance from the power line during the low level aerial application maneuver. A related factor was the power line.
- [NTSB CHI03LA197](https://openairdocs.org/ntsb/CHI03LA197.md): Cessna 175 · Wessington Spri, SD · Accident · No injuries · Limited investigation · Final report · Jul 4, 2003 · N7256M · Destroyed
  > The pilot not obtaining/maintaining clearance from the barbed wire fence during the go-around. Factors to the accident were the fence, and the brush.
- [NTSB CHI01LA251](https://openairdocs.org/ntsb/CHI01LA251.md): Aero Commander S2R · Pierre, SD · Accident · Serious injuries · Limited investigation · Final report · Jul 31, 2001 · N5551X · Destroyed
  > clearance not obtained by the pilot. A contributing factor was the transmission line.
- [NTSB CHI01LA033](https://openairdocs.org/ntsb/CHI01LA033.md): Saab 340-B · Aberdeen, SD · Accident · Minor injuries · Limited investigation · Final report · Nov 9, 2000 · N402XJ · Substantial damage
  > the impact with the flock of snow geese.
- [NTSB CHI00FA288](https://openairdocs.org/ntsb/CHI00FA288.md): Piper PA-22-108 · Custer, SD · Accident · 2 fatal · Field investigation · Final report · Sep 8, 2000 · N4730Z · Destroyed
  > The pilot not maintaining clearance from the tree. Factors relating to this accident were the pilot's inadequate preflight planning and preparation, the high density altitude, the inadequate rate of climb, the pilot's improper in-flight decision to fly into…
- [NTSB CHI99FA285](https://openairdocs.org/ntsb/CHI99FA285.md): Bell 206B · Custer, SD · Accident · 2 fatal · Field investigation · Final report · Aug 10, 1999 · N67JJ · Destroyed
  > The pilot's failure to maintain adequate altitude/clearance from the trees. Contributing to the accident was the pilot's inadvertent settling with power.
- [NTSB CHI99LA214](https://openairdocs.org/ntsb/CHI99LA214.md): Weatherly 620B · Timber Lake, SD · Accident · No injuries · Limited investigation · Final report · Jul 6, 1999 · N350WR · Substantial damage
  > the pilots selection of the shorter runway and his failure to abort the takeoff. Factors to the accident were the high density altitude, the fence and the fence posts.
- [NTSB CHI98LA368](https://openairdocs.org/ntsb/CHI98LA368.md): Grumman American AA-5B · Deadwood, SD · Accident · 2 fatal · Limited investigation · Final report · Jul 26, 1998 · N4535P · Destroyed
  > The pilot's failure to maintain adequate clearance from the trees.
- [NTSB CHI98LA219](https://openairdocs.org/ntsb/CHI98LA219.md): Piper PA-36-300 · Mobridge, SD · Accident · No injuries · Limited investigation · Final report · Jun 25, 1998 · N3760E · Substantial damage
  > The pilot's failure to maintain clearance from the power lines. Factors associated with the accident were the power lines, and the separation of the vertical stabilizer and rudder which resulted in the pilot's inability to maintain directional control of the…
- [NTSB CHI97LA279](https://openairdocs.org/ntsb/CHI97LA279.md): Piper PA-22 · Castlewood, SD · Accident · No injuries · Limited investigation · Final report · Sep 1, 1997 · N2743P · Substantial damage
  > The pilot's failure to maintain adequate clearance from the trees.
- [NTSB CHI97LA174](https://openairdocs.org/ntsb/CHI97LA174.md): Piper PA-25-235 · Faulkton, SD · Accident · Serious injuries · Limited investigation · Final report · Jun 21, 1997 · N7378Z · Destroyed
  > the pilot's inability to see the power lines and the power lines. Factors contributing to this accident were the trees and the sunglare.
- [NTSB CHI97LA124](https://openairdocs.org/ntsb/CHI97LA124.md): Air Tractor AT-301 · Huron, SD · Accident · No injuries · Limited investigation · Final report · May 7, 1997 · N23640 · Substantial damage
  > The pilot's failure to maintain clearance from known transmission lines.
- [NTSB CHI97LA106](https://openairdocs.org/ntsb/CHI97LA106.md): Air Tractor AT-401 · Highmore, SD · Accident · Minor injuries · Limited investigation · Final report · Apr 18, 1997 · N1008P · Substantial damage
  > a premature lift-off of the airplane by the pilot in command.
- [NTSB CHI95LA077](https://openairdocs.org/ntsb/CHI95LA077.md): Cessna 150F · Castlewood, SD · Accident · No injuries · Limited investigation · Final report · Jan 21, 1995 · N8981S · Substantial damage
  > the pilot's inadequate preflight planning and preparation. Factors associated with the accident are the snow covered/drifted runway, and a fence.
- [NTSB CHI94LA191](https://openairdocs.org/ntsb/CHI94LA191.md): Hiller HU-12E · Watertown, SD · Accident · 1 fatal · Limited investigation · Final report · Jun 23, 1994 · N330CW · Destroyed
  > the pilot's failure to maintain a visual lookout. A factor associated with the accident was the powerlines.
- [NTSB CHI94LA024](https://openairdocs.org/ntsb/CHI94LA024.md): Piper PA-28-181 · Woonsocket, SD · Accident · 1 fatal · Limited investigation · Final report · Oct 26, 1993 · N39952 · Destroyed
  > the pilot misjudging the airplane's clearance under the wires. Factors related to the accident were the performance of a low pass and the wires which were contacted.
- [NTSB CHI93LA203](https://openairdocs.org/ntsb/CHI93LA203.md): Piper PA-36 · Mc Laughlin, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 11, 1993 · N3890E · Substantial damage
  > Pilot in command's failure to maintain proper clearance.
- [NTSB CHI93LA148](https://openairdocs.org/ntsb/CHI93LA148.md): Piper PA-28-160 · Yankton, SD · Accident · Serious injuries · Limited investigation · Final report · Apr 24, 1993 · N5548W · Destroyed
  > The pilot in command's failure to maintain proper clearance. Gusty wind conditions were a factor.
- [NTSB CHI92DTK03](https://openairdocs.org/ntsb/CHI92DTK03.md): Piper PA-25-235/250 · Ramona, SD · Accident · Serious injuries · Final report · Jun 24, 1992 · N4601Y · Destroyed
  > Failure of the pilot to maintain a visual lookout while maneuvering during aerial application of agricultural chemicals.
- [NTSB CHI92LA114](https://openairdocs.org/ntsb/CHI92LA114.md): Bellanca 7 Gcbc · Quinn, SD · Accident · Minor injuries · Limited investigation · Final report · Mar 19, 1992 · N1013E · Substantial damage
  > The pilot's inadequate visual lookout.
- [NTSB CHI93LA381](https://openairdocs.org/ntsb/CHI93LA381.md): Cessna 172 · Union Center, SD · Accident · No injuries · Limited investigation · Final report · Jan 19, 1992 · N8529U · Substantial damage
  > Improper planning/decision by the pilot, and his failure to abort the takeoff, while there was sufficient runway remaining. Factors related to the accident were: the soft runway condition & fence at the end of the runway.
- [NTSB CHI91DTK05](https://openairdocs.org/ntsb/CHI91DTK05.md): Eagle DW1 · Hurley, SD · Accident · No injuries · Final report · Sep 10, 1991 · N8814L · Substantial damage
  > The failure of the pilot to maintain a visual lookout.
- [NTSB CHI91LA209](https://openairdocs.org/ntsb/CHI91LA209.md): Champion 7KCAB · Hill City, SD · Accident · Minor injuries · Limited investigation · Final report · Jul 4, 1991 · N1844G · Substantial damage
  > Poor preflight planning by the pilot and over confidence in the aircrafts ability. Factors related to the accident were a high density altitude and a proper climb rate not attained.
- [NTSB DEN90LA131](https://openairdocs.org/ntsb/DEN90LA131.md): Piper PA-25-235 · Andover, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 9, 1990 · N7136Z · Destroyed
  > The pilot's failure to maintain proper clearance during the swath run.
- [NTSB DEN89DTK01](https://openairdocs.org/ntsb/DEN89DTK01.md): Piper PA-36-300 · Agar, SD · Accident · 1 fatal · Final report · May 23, 1989 · N82644 · Destroyed
  > The pilot's failure to maintain an adequate clearance with the powerlines. The powerline is considered to be a contributing factor to the accident.
- [NTSB DEN89LA108](https://openairdocs.org/ntsb/DEN89LA108.md): Piper PA-28-180 · Milbank, SD · Accident · No injuries · Limited investigation · Final report · Apr 14, 1989 · N8272W · Substantial damage
  > Failure by the pilot to assure adequate removal of frost from the aircraft which resulted in a stall/mush.
- [NTSB DEN86FTK01](https://openairdocs.org/ntsb/DEN86FTK01.md): Bellanca 7GCBC · Huron, SD · Accident · Serious injuries · Final report · May 16, 1986 · N53756 · Substantial damage
  > The acft contacted powerlines and descended uncontrolled to ground impact. The plt reported that he was checking fields when the accident occurred. The acft was traveling to the west into the setting sun when accident occurred.
- [NTSB DEN86FA002](https://openairdocs.org/ntsb/DEN86FA002.md): Piper PA-18-150 · Chamberlain, SD · Accident · 2 fatal · Field investigation · Final report · Oct 3, 1985 · N40359 · Destroyed
  > The plt and his passenger friend were looking for stray cattle when aprx at 142 ft above the ground their acft struck an antennae mounted on a microwave tower. The acft descended and was destroyed on ground impact.
- [NTSB DEN85LTK02](https://openairdocs.org/ntsb/DEN85LTK02.md): Piper PA-25-235 · Yankton, SD · Accident · Minor injuries · Final report · Aug 24, 1985 · N9748P · Destroyed
  > The acft descended uncontrolled into the terrain after it contacted a power line during an aerial application flt. Witnesses reported the acft appeared to pull up at the west end of the 40 acre fld, however, it did not clear the lines and it nosed over into…
- [NTSB DEN85LA177](https://openairdocs.org/ntsb/DEN85LA177.md): Grumman G-164 · Platte, SD · Accident · No injuries · Limited investigation · Final report · Jul 1, 1985 · N6674K · Substantial damage
  > While the plt was spraying a field, the landing gear of the acft struck the center pivot of an irrigation structure. Later, when the acft was landed, the gear collapsed.
- [NTSB DEN85LA137](https://openairdocs.org/ntsb/DEN85LA137.md): Piper PA-36 · Claire City, SD · Accident · Minor injuries · Limited investigation · Final report · May 21, 1985 · N2382Y · Substantial damage
  > The acft collided with power lines during an aerial application flt. The power lines were located in the middle of the field being sprayed and during the last spray run, while flying into the sun, the acft contacted the lines.
- [NTSB DEN84LA186](https://openairdocs.org/ntsb/DEN84LA186.md): Cessna 188 · Groton, SD · Accident · 1 fatal · Limited investigation · Final report · Jun 18, 1984 · N9261R · Destroyed
  > During aerial application flight, the aircraft passed beneath two power lines. The top of the vertical fin and collision avoidance beacon light apparently made contact with the first wire, as they were found separated near that location. After contact, the…
- [NTSB DEN84FA021](https://openairdocs.org/ntsb/DEN84FA021.md): Convair 580 · Sioux Falls, SD · Accident · Serious injuries · Field investigation · Final report · Nov 7, 1983 · N7517U · Minor damage
  > The acft collided with a bird during the landing approach at night. The captain who was flying the acft was struck in the face by the bird and flying glass. The co-plt completed the landing due to incapacitation of the capt. investigationrevealed the…
- [NTSB DEN83LA199](https://openairdocs.org/ntsb/DEN83LA199.md): Piper PA-25B-235 · Montrose, SD · Accident · Serious injuries · Limited investigation · Final report · Aug 26, 1983 · N4473Y · Destroyed
  > The pilot stated that he was spraying a field that was divided in half by a 60 foot high powerline. As he made a turn to enter the south side of the field, parallel to the powerlines, flying east into the sun, he struck the unseen guy cables out in the field.…
- [NTSB DEN83FTK03](https://openairdocs.org/ntsb/DEN83FTK03.md): Beech V35A · Sioux Falls, SD · Accident · Serious injuries · Final report · Feb 16, 1983 · N8478N · Destroyed
  > During an ILS approach to rwy 3 the acft collided with 50 ft powerlines 3 mi sw of the arpt. The acft then collided witha mobile home & pickup truck. Half of the 60 ft mobile home & the truck were destroyed. Minimum altitude at the lim, located 5.2 mi from…

## 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 220)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=220&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.