# NTSB investigations, SD: Maneuvering

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.

Page 1 of 4 · 183 cases

## Latest cases

- [NTSB CEN25FA289](https://openairdocs.org/ntsb/CEN25FA289.md): Piper PA-22-150 · New Underwood, SD · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jul 28, 2025 · N9642D · Substantial damage
  > On July 28, 2025, about 0604 mountain daylight time, a Piper PA-22-150 airplane, N9642D, was substantially damaged when it was involved in an accident near New Underwood, South Dakota. The pilot was seriously injured and the passenger sustained fatal…
- [NTSB CEN25LA221](https://openairdocs.org/ntsb/CEN25LA221.md): Air Tractor AT-402B · Pierre, SD · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 24, 2025 · N107ML · Substantial damage
  > The pilot’s failure to maintain clearance with the power lines while maneuvering that resulted in an in-flight collision with the power lines and impact with terrain.
- [NTSB CEN25LA218](https://openairdocs.org/ntsb/CEN25LA218.md): Piper PA-36-375 · Huron, SD · Accident · No injuries · Class 4 · Limited · Final report · Jun 19, 2025 · N6174A · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack during a low-level aerial application, which resulted in an aerodynamic stall and loss of airplane control at too low of an altitude to recover.
- [NTSB CEN25LA105](https://openairdocs.org/ntsb/CEN25LA105.md): Robinson Helicopter R44 II · Edgemont, SD · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 27, 2025 · N6555C · No damage
  > The pilot’s failure to properly identify the proper anchor point for the supplemental harness and the crew’s incorrect use of the restraint system structure as an anchor point, which resulted in the separation of the structure.
- [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 CEN22FA109](https://openairdocs.org/ntsb/CEN22FA109.md): Christavia MK1 · Oral, SD · Accident · 1 fatal · Class 3 · Field · Final report · Jan 31, 2022 · N3177F · Substantial damage
  > The noncertificated pilot’s failure to maintain control of the airplane, which led to the airplane exceeding its critical angle-of-attack and subsequent aerodynamic stall. Contributing to the accident was the pilot’s decision to attempt a flight with no…
- [NTSB CEN20LA389](https://openairdocs.org/ntsb/CEN20LA389.md): Champion 8KCAB · Groton, SD · Accident · 2 fatal · Class 3 · Limited · Final report · Sep 13, 2020 · N83DH · Substantial damage
  > The pilot’s loss of airplane control during a low-altitude aerobatic maneuver.
- [NTSB CEN20LA309](https://openairdocs.org/ntsb/CEN20LA309.md): Cessna A188 · Corsica, SD · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 27, 2020 · N53163 · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall and loss of control.
- [NTSB CEN20FA010](https://openairdocs.org/ntsb/CEN20FA010.md): Cessna 172 · Aberdeen, SD · Accident · 1 fatal · Class 3 · Field · Final report · Oct 10, 2019 · N6483B · Destroyed
  > The noncertificated pilot’s decision to fly in dark night instrument conditions, resulting in impact with terrain.
- [NTSB CEN19LA318](https://openairdocs.org/ntsb/CEN19LA318.md): Bell 206 · Hill City, SD · Accident · No injuries · Class 3 · Limited · Final report · Sep 12, 2019 · N100CK · Substantial damage
  > A total loss of engine power for undetermined reasons, which resulted in a hard landing.
- [NTSB GAA19CA502](https://openairdocs.org/ntsb/GAA19CA502.md): Air Tractor AT502 · Onida, SD · Accident · No injuries · Data collection · Final report · Aug 16, 2019 · N500KA · Substantial damage
  > The pilot's failure to maintain clearance from power wires during agricultural application operations.
- [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 CEN18LA329](https://openairdocs.org/ntsb/CEN18LA329.md): Cessna 150 · Madison, SD · Accident · No injuries · Limited investigation · Final report · Aug 14, 2018 · N6341K · Substantial damage
  > A stuck No. 3 cylinder exhaust valve, which resulted in failure of the associated rocker arm, a partial loss of engine power, and the subsequent forced landing into tall vegetation.
- [NTSB CEN17CA294](https://openairdocs.org/ntsb/CEN17CA294.md): Air Tractor AT 502B · Harrold, SD · Accident · Minor injuries · Data collection · Final report · Jul 26, 2017 · N421CA · Substantial damage
  > The pilot’s improper attempt at a low-pass maneuver, which resulted in a collision with a tractor.
- [NTSB CEN16FA209](https://openairdocs.org/ntsb/CEN16FA209.md): Pruss Richard S Kitfox IV · De Smet, SD · Accident · 1 fatal · Field investigation · Final report · Jun 7, 2016 · N921RP · Substantial damage
  > The pilot's failure to maintain adequate airspeed and his exceedance of the airplane's critical angle-of-attack during a steep turn at a low altitude, which resulted in an aerodynamic stall/spin at too low of an altitude to recover.
- [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 CEN15CA001](https://openairdocs.org/ntsb/CEN15CA001.md): Piper PA 25-235 · Yankton, SD · Accident · No injuries · Data collection · Final report · Oct 1, 2014 · N6659Z · Substantial damage
  > The pilot's improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB CEN14CA317](https://openairdocs.org/ntsb/CEN14CA317.md): Quicksilver Enterprises MXL II Sport · Watertown, SD · Accident · Serious injuries · Data collection · Final report · Jun 19, 2014 · N4474P · Substantial damage
  > The uncertificated pilot's loss of control while maneuvering at low altitude.
- [NTSB CEN13LA375](https://openairdocs.org/ntsb/CEN13LA375.md): Air Tractor AT-301 · Colome, SD · Accident · No injuries · Limited investigation · Final report · Jun 26, 2013 · N3168X · Substantial damage
  > The loss of engine power for reasons that could not be determined because a postaccident engine run revealed no anomalies that would have precluded normal operation.
- [NTSB CEN13FA324](https://openairdocs.org/ntsb/CEN13FA324.md): Weatherly 620B · Ludlow, SD · Accident · 1 fatal · Field investigation · Final report · Jun 7, 2013 · N350WR · Substantial damage
  > The pilot’s failure to maintain control of the airplane while maneuvering, which resulted in an inadvertent stall. Contributing to the accident was task- and/or work-related fatigue.
- [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 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 CEN12FA100](https://openairdocs.org/ntsb/CEN12FA100.md): Cessna 421C · Sioux Falls, SD · Accident · 4 fatal · Field investigation · Final report · Dec 9, 2011 · N421SY · Substantial damage
  > The pilot’s failure to maintain adequate airspeed after shutting down one engine, which resulted in an inadvertent aerodynamic stall and impact with terrain. Contributing to the accident was the pilot’s failure to follow the guidance contained in the pilot’s…
- [NTSB CEN11LA581](https://openairdocs.org/ntsb/CEN11LA581.md): Piper PA-25-235 · Whitewood, SD · Accident · 1 fatal · Limited investigation · Final report · Aug 20, 2011 · N7051Z · Substantial damage
  > The pilot's collision with terrain for undetermined reasons.
- [NTSB CEN11FA437](https://openairdocs.org/ntsb/CEN11FA437.md): American Champion 7GCBC · Hayti, SD · Accident · 3 fatal · Field investigation · Final report · Jul 3, 2011 · N711AT · Substantial damage
  > The pilot's decision to attempt low-altitude flight and his failure to maintain adequate clearance from power lines.
- [NTSB CEN11LA452](https://openairdocs.org/ntsb/CEN11LA452.md): Cessna A188A · Estelline, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 28, 2011 · N1588M · Substantial damage
  > The pilot’s failure to maintain control of the airplane during takeoff for undetermined reasons because the pilot did not recall the accident.
- [NTSB CEN11LA405](https://openairdocs.org/ntsb/CEN11LA405.md): Piper PA-25-235 · Faith, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 2011 · N7018Z · Substantial damage
  > The pilot's improper turn while maneuvering during an agricultural application flight, which resulted in an inadvertent aerodynamic stall at low altitude.
- [NTSB CEN11LA399](https://openairdocs.org/ntsb/CEN11LA399.md): Piper PA-36-300 · Highmore, SD · Accident · 1 fatal · Limited investigation · Final report · Jun 17, 2011 · N57885 · Substantial damage
  > The pilot did not maintain control of the airplane while maneuvering at low altitude.
- [NTSB CEN10LA275](https://openairdocs.org/ntsb/CEN10LA275.md): Bellanca 7GCBC · Watertown, SD · Accident · 2 fatal · Limited investigation · Final report · May 29, 2010 · N88399 · Substantial damage
  > The pilot's loss of airplane control while conducting aerobatic, low-altitude maneuvers. Contributing to the accident was the pilot's impairmant due to alcohol.
- [NTSB CEN09LA523](https://openairdocs.org/ntsb/CEN09LA523.md): From Here To There PDQ RV-8 · Tea, SD · Accident · 2 fatal · Limited investigation · Final report · Aug 16, 2009 · N98AW · Substantial damage
  > The pilot's failure to maintain control of the airplane during recovery from an aerobatic maneuver.
- [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 CEN09CA194](https://openairdocs.org/ntsb/CEN09CA194.md): Air Tractor AT-502B · Harrold, SD · Accident · Minor injuries · Data collection · Final report · Mar 6, 2009 · N648LA · Substantial damage
  > The pilot's failure to maintain clearance from the power lines during his turn to reverse course due to weather. Contributing to the accident was the reduced visibility at the time of the accident.
- [NTSB CHI07TA241](https://openairdocs.org/ntsb/CHI07TA241.md): Christen Industries A-1 · Elm Springs, SD · Accident · Minor injuries · Final report · Jul 30, 2007 · N661FB · Substantial damage
  > The pilot not maintaining clearance from the rising terrain. A factor contributing to the accident was the rising terrain.
- [NTSB CHI07TA201](https://openairdocs.org/ntsb/CHI07TA201.md): WSK PZL Mielec PZL M18B · Kyle, SD · Accident · Minor injuries · Final report · Jul 7, 2007 · N14067 · Substantial damage
  > The pilot's failure to maintain clearance from terrain during an aerial application maneuver. Contributing to the accident were wind gusts, low altitude, and the reported downdraft.
- [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 CHI05CA117](https://openairdocs.org/ntsb/CHI05CA117.md): Aviat A-1B · Lodgepole, SD · Accident · Serious injuries · Data collection · Final report · May 19, 2005 · N102AM · Substantial damage
  > The poor inflight planning and the pilot's inability to maintain control of the airplane. A factor associated with the accident was the low altitude at which the airplane encoutnered its own wake.
- [NTSB CHI04CA162](https://openairdocs.org/ntsb/CHI04CA162.md): Air Tractor AT-401 · Britton, SD · Accident · No injuries · Data collection · Final report · Jun 23, 2004 · N1013N · Substantial damage
  > The loss of engine power due to a stuck exhaust valve and the unsuitable terrain encountered during the forced landing. A factor to the accident was the soft terrain condition.
- [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 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 CHI01LA151](https://openairdocs.org/ntsb/CHI01LA151.md): Air Tractor AT-402B · Mount Vernon, SD · Accident · 1 fatal · Limited investigation · Final report · Jun 3, 2001 · N484WB · Destroyed
  > the pilot not maintaining aircraft control while maneuvering close to the ground.
- [NTSB CHI01FA001](https://openairdocs.org/ntsb/CHI01FA001.md): Piper PA-44-180 · Rapid City, SD · Accident · 1 fatal · Field investigation · Final report · Oct 3, 2000 · N294ND · Destroyed
  > Suicide
- [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 CHI00LA108](https://openairdocs.org/ntsb/CHI00LA108.md): Champion 7GCAA · Arlington, SD · Accident · No injuries · Limited investigation · Final report · Mar 31, 2000 · N8371V · Substantial damage
  > the CFI's improper use of the throttle control during a simulated loss of engine power emergency. A factor associated with the accident was the rough terrain on which the forced landing was conducted.
- [NTSB CHI00LA100](https://openairdocs.org/ntsb/CHI00LA100.md): Piper J-3C · Eureka, SD · Accident · No injuries · Limited investigation · Final report · Mar 30, 2000 · N71060 · Substantial damage
  > the foreign object (shot gun shell) which jammed the control stick. Factors associated with the accident were the low altitude at which the control stick jammed and the rough terrain which the airplane contacted.
- [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 CHI99LA193](https://openairdocs.org/ntsb/CHI99LA193.md): Air Tractor AT-301 · Veblen, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 24, 1999 · N3159M · Substantial damage
  > was the pilot not maintaining clearance from terrain. A factor was the pilot not performing a load jettison.

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?state=SD&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
  crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
  current_codes AS (
    SELECT e.case_mkey, TRY_CAST(e."tier1Number" AS INTEGER) AS code,
      row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e."isDefiningEvent", false) DESC, e.position) AS n
    FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
    WHERE e.aircrafts_position = 1 AND e."tier1Number" GLOB '[1-9][0-9]*'
      AND (e."isDefiningEvent" OR e.case_mkey IN (SELECT "mKey" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE "isPre1982"))
  ),
  phases AS (
    SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
    FROM current_codes WHERE n = 1
    UNION ALL
    SELECT o.case_mkey, 'older', o."phaseOfFlightCode", w.main
    FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o."phaseOfFlightCode"
    WHERE o.aircrafts_position = 1 AND o."occurrenceNumber" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
  ),
  case_phases AS (
    SELECT p.*, c."eventDate", c."highestInjuryLevel" = 'Fatal' AS fatal, a.aircraft_model_code
    FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = p.case_mkey
    LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
    WHERE c."eventDate" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
  )
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 case_mkey FROM case_phases WHERE main = 450)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/450/cases?state=SD

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