# Final NTSB investigations, ND: 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 6 · 255 cases

## Latest cases

- [NTSB CEN25LA336](https://openairdocs.org/ntsb/CEN25LA336.md): Piper PA-25-235 · Argusville, ND · Accident · No injuries · Class 4 · Limited · Final report · Aug 23, 2025 · N7239Z · Substantial damage
  > The pilot’s failure to maintain clearance from terrain while maneuvering at low altitude.
- [NTSB CEN24LA343](https://openairdocs.org/ntsb/CEN24LA343.md): Robinson Helicopter R44 · Grand Forks, ND · Accident · No injuries · Class 4 · Limited · Final report · Sep 6, 2024 · N896J · Substantial damage
  > The student pilot’s failure to maintain helicopter control which resulted in impact with the ground. Contributing to the outcome was the flight instructor’s delayed remedial action.
- [NTSB CEN23FA412](https://openairdocs.org/ntsb/CEN23FA412.md): Air Tractor AT-502B · New Rockford, ND · Accident · 1 fatal · Class 3 · Field · Final report · Sep 19, 2023 · N502NB · Substantial damage
  > The pilot’s failure to maintain clearance from overhead power lines during an aerial application flight. Contributing to the accident was the pilot’s decision to fly under the power lines with a small area of clearance available for the airplane.
- [NTSB CEN23FA409](https://openairdocs.org/ntsb/CEN23FA409.md): Thrush S2R-T660 · Ardoch, ND · Accident · 1 fatal · Class 3 · Field · Final report · Sep 12, 2023 · N710TY · Substantial damage
  > The pilot’s failure to maintain clearance from a guy wire during an aerial application flight.
- [NTSB CEN23LA233](https://openairdocs.org/ntsb/CEN23LA233.md): Piper PA-25-235 · Carrington, ND · Accident · No injuries · Class 3 · Limited · Final report · Jun 3, 2023 · N8843L · Substantial damage
  > A total loss of engine power as a result of carburetor ice that formed while the engine was operating at a low power setting for an extended period of time before departure.
- [NTSB CEN23LA210](https://openairdocs.org/ntsb/CEN23LA210.md): Piper PA-18-150 · St. Anthony, ND · Accident · Minor injuries · Class 4 · Limited · Final report · May 30, 2023 · N7343L · Substantial damage
  > The pilot’s failure to maintain clearance from terrain while maneuvering at low attitude.
- [NTSB CEN23LA058](https://openairdocs.org/ntsb/CEN23LA058.md): Stinson 108-3 · Regent, ND · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 3, 2022 · N7659X · Substantial damage
  > The pilot failed to maintain clearance from high tension wires while maneuvering at low altitude.
- [NTSB CEN21FA368](https://openairdocs.org/ntsb/CEN21FA368.md): Rockwell International S2R · Strasburg, ND · Accident · 1 fatal · Class 3 · Field · Final report · Aug 10, 2021 · N4956X · Substantial damage
  > The pilot’s intentional flight under power lines and his failure to maintain clearance from the lines during an aerial application flight.
- [NTSB CEN20LA270](https://openairdocs.org/ntsb/CEN20LA270.md): Cessna 188 · Pembina, ND · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 9, 2020 · C-GWWE · Destroyed
  > The pilot’s failure to maintain control during an aerial spray turnaround in high crosswind conditions.
- [NTSB GAA19CA473](https://openairdocs.org/ntsb/GAA19CA473.md): Robinson R44 · Fessenden, ND · Accident · Minor injuries · Data collection · Final report · Jul 31, 2019 · N3066T · Substantial damage
  > The pilot's failure to maintain clearance from wires during an agricultural application flight.
- [NTSB CEN19LA156](https://openairdocs.org/ntsb/CEN19LA156.md): Rockwell S 2R · Oakes, ND · Accident · No injuries · Class 3 · Limited · Final report · May 25, 2019 · N4907X · Substantial damage
  > The failure of the helical cam gear of the engine assembly due to fatigue cracks in the gear teeth, which resulted in a total loss of engine power.
- [NTSB GAA19CA158](https://openairdocs.org/ntsb/GAA19CA158.md): Piper PA18 · Wyndmere, ND · Accident · No injuries · Data collection · Final report · Mar 7, 2019 · N726 · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack during an uncoordinated turn while maneuvering at low altitude, which resulted in an aerodynamic stall.
- [NTSB CEN19FA030](https://openairdocs.org/ntsb/CEN19FA030.md): Cessna 441 · Harmon, ND · Accident · 3 fatal · Class 2 · Field · Final report · Nov 18, 2018 · N441CX · Destroyed
  > The pilot's failure to maintain control of the airplane in dark night conditions that resulted in an in-flight positive overload failure of the wings and the subsequent in-flight breakup of the airplane.
- [NTSB GAA18CA563](https://openairdocs.org/ntsb/GAA18CA563.md): Air Tractor AT802 · Napoleon, ND · Accident · Serious injuries · Data collection · Final report · Sep 21, 2018 · N968JB · Substantial damage
  > The pilot’s failure to maintain clearance from a power line pole during an agricultural application flight.
- [NTSB WPR18LA234](https://openairdocs.org/ntsb/WPR18LA234.md): Air Tractor AT 400 · Grand Forks, ND · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 21, 2018 · N7300M · Substantial damage
  > The loss of engine power while maneuvering due to the failure of the power turbine blade assembly for reasons that could not be determined based on available evidence.
- [NTSB CEN18FA277](https://openairdocs.org/ntsb/CEN18FA277.md): Cessna 152 · Fort Rice, ND · Accident · 1 fatal · Class 2 · Field · Final report · Jul 17, 2018 · N24515 · Substantial damage
  > The pilot's failure to use carburetor heat in conditions that were conducive to serious carburetor icing, which resulted in a loss of engine power, an exceedance of the airplane's critical angle of attack, and an aerodynamic stall. Contributing to the…
- [NTSB CEN17LA244](https://openairdocs.org/ntsb/CEN17LA244.md): Air Tractor AT 602 · Stirum, ND · Accident · 1 fatal · Limited investigation · Final report · Jun 29, 2017 · N4196Y · Destroyed
  > The pilot's decision to attempt flight with low-level fog in the area, which resulted in an encounter with instrument meteorological conditions and impact with terrain.
- [NTSB CEN16LA314](https://openairdocs.org/ntsb/CEN16LA314.md): Aero Commander S2R · Valley City, ND · Accident · No injuries · Limited investigation · Final report · Aug 5, 2016 · N5599X · Substantial damage
  > The pilot's inadequate preflight inspection and fuel planning, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB CEN14LA358](https://openairdocs.org/ntsb/CEN14LA358.md): Grumman Acft ENG Cor-Schweizer G-164B · Garrison, ND · Accident · No injuries · Limited investigation · Final report · Jul 9, 2014 · N6648Q · Substantial damage
  > Excessive wear between the power turbine shaft and quill shaft spline, which led to the disconnection of the power turbine wheel, an overspeed of the power turbine, and the subsequent loss of engine power. Contributing to the accident was maintenance…
- [NTSB CEN13LA353](https://openairdocs.org/ntsb/CEN13LA353.md): Air Tractor AT-802A · Minot, ND · Accident · Serious injuries · Limited investigation · Final report · Jun 16, 2013 · N8522S · Substantial damage
  > The pilot’s failure to maintain adequate clearance from trees during an aerial application flight.
- [NTSB CEN12LA615](https://openairdocs.org/ntsb/CEN12LA615.md): Goodyear F2G · Valley City, ND · Accident · 1 fatal · Limited investigation · Final report · Sep 7, 2012 · N5577N · Substantial damage
  > The pilot’s decision to initiate the aerobatic maneuver at an altitude that did not allow for full recovery of the airplane before ground impact.
- [NTSB CEN12LA437](https://openairdocs.org/ntsb/CEN12LA437.md): Piper PA-25-235 · Mott, ND · Accident · No injuries · Limited investigation · Final report · Jul 12, 2012 · N8801L · Substantial damage
  > The rupture of a corroded oil line, which resulted in a total loss of engine power due to oil starvation.
- [NTSB CEN12LA458](https://openairdocs.org/ntsb/CEN12LA458.md): Grumman G-164A · Egeland, ND · Accident · No injuries · Limited investigation · Final report · Jul 7, 2012 · N6583 · Substantial damage
  > The partial loss of engine power for reasons that could not be determined during postaccident examinations.
- [NTSB CEN12CA423](https://openairdocs.org/ntsb/CEN12CA423.md): Eipper Quicksilver · Manvel, ND · Accident · Serious injuries · Data collection · Final report · Jul 3, 2012 · UNREG · Substantial damage
  > The non-certificated pilot’s failure to maintain clearance from a wheat field.
- [NTSB CEN12LA336](https://openairdocs.org/ntsb/CEN12LA336.md): Bellanca 8GCBC · Zahl, ND · Accident · 1 fatal · Limited investigation · Final report · Jun 4, 2012 · N88095 · Substantial damage
  > The non-certificated pilot's improper preflight planning, which resulted in fuel exhaustion, and his failure to maintain airplane control after a total loss of engine power.
- [NTSB CEN11LA593](https://openairdocs.org/ntsb/CEN11LA593.md): Air Tractor AT-400 · Monango, ND · Accident · Serious injuries · Limited investigation · Final report · Aug 23, 2011 · N23720 · Substantial damage
  > The pilot did not maintain adequate separation from a tree during the aerial-application flight.
- [NTSB CEN11LA541](https://openairdocs.org/ntsb/CEN11LA541.md): Weatherly 620B · Hettinger, ND · Accident · No injuries · Limited investigation · Final report · Jul 30, 2011 · N90181 · Substantial damage
  > Internal failure of the engine for undetermined reasons.
- [NTSB CEN11FA508](https://openairdocs.org/ntsb/CEN11FA508.md): Beech A36 · Williston, ND · Accident · 1 fatal · Field investigation · Final report · Jul 26, 2011 · N41MK · Substantial damage
  > The pilot's improper fuel management, which resulted in fuel starvation and a partial loss of engine power while maneuvering at a low altitude.
- [NTSB CEN11CA502](https://openairdocs.org/ntsb/CEN11CA502.md): Cessna A188B · Devils Lake, ND · Accident · No injuries · Data collection · Final report · Jul 22, 2011 · N731AU · Substantial damage
  > The pilot's failure to maintain an adequate airspeed while maneuvering, which resulted in a stall during the aerial application.
- [NTSB CEN10CA307](https://openairdocs.org/ntsb/CEN10CA307.md): Champion 7ECA · Northwood, ND · Accident · No injuries · Data collection · Final report · Jun 7, 2010 · N9620S · Substantial damage
  > The pilot’s failure to maintain adequate clearance from the transmission wire.
- [NTSB CEN09LA565](https://openairdocs.org/ntsb/CEN09LA565.md): Bell UH-1B · Arvilla, ND · Accident · Serious injuries · Limited investigation · Final report · Sep 6, 2009 · N204JB · Substantial damage
  > The aircraft owner/mechanic/pilot's installation of an improper tail boom assembly and the resulting fatigue failure of the tail boom's attach fittings.
- [NTSB CEN09CA452](https://openairdocs.org/ntsb/CEN09CA452.md): Weatherly 620B · New England, ND · Accident · Minor injuries · Data collection · Final report · Jul 21, 2009 · N2027K · Substantial damage
  > The loss of engine power for undetermined reasons while maneuvering at low altitude.
- [NTSB CEN09LA277](https://openairdocs.org/ntsb/CEN09LA277.md): Champion 7GCBC · Surrey, ND · Accident · 2 fatal · Limited investigation · Final report · May 3, 2009 · N5106T · Destroyed
  > The pilot’s failure to maintain control of the airplane during an abrupt pull-up maneuver, which resulted in an aerodynammic stall at low altitude.
- [NTSB CHI08CA238](https://openairdocs.org/ntsb/CHI08CA238.md): Robinson R22 Beta · Buffalo, ND · Accident · No injuries · Data collection · Final report · Aug 5, 2008 · N57UP · Substantial damage
  > The pilot's excessive descent rate and his failure to maintain clearance from terrain during the spray run entry.
- [NTSB CHI08LA101](https://openairdocs.org/ntsb/CHI08LA101.md): Cessna 172K · Roseglen, ND · Accident · 2 fatal · Limited investigation · Final report · Apr 11, 2008 · N7490G · Substantial damage
  > The pilot failed to maintain obstacle clearance from the TV antenna during a low altitude maneuver. Contributing factors were the antenna, the night conditions, and pilot impairment due to alcohol.
- [NTSB CHI08CA021](https://openairdocs.org/ntsb/CHI08CA021.md): Bell 206B-III · Medora, ND · Accident · Minor injuries · Data collection · Final report · Oct 18, 2007 · N51698 · Substantial damage
  > The pilot failed to maintain clearance from the fence while maneuvering at a low altitude, which resuled in the helicopter rolling over and impacting the terrain. A factor associated with the accident was the fence.
- [NTSB CHI07CA267](https://openairdocs.org/ntsb/CHI07CA267.md): Snow S-2C · Hazelton, ND · Accident · No injuries · Data collection · Final report · Aug 9, 2007 · N16535 · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB CHI07LA254](https://openairdocs.org/ntsb/CHI07LA254.md): Piper PA-25-235 · Overly, ND · Accident · No injuries · Limited investigation · Final report · Aug 2, 2007 · N7263Z · Substantial damage
  > The pilot's failure to maintain terrain clearance during the agricultural application flight. Contributing to the accident was the wheat crop.
- [NTSB CHI07CA209](https://openairdocs.org/ntsb/CHI07CA209.md): Air Tractor AT-301 · Lignite, ND · Accident · Serious injuries · Data collection · Final report · Jul 15, 2007 · N8841S · Substantial damage
  > The pilot's poor in-flight planning and failure to maintain control of the airplane when he encountered his own vortex turbulence at a low altitude.
- [NTSB CHI07LA162](https://openairdocs.org/ntsb/CHI07LA162.md): Aero Commander S2R · Watford City, ND · Accident · 1 fatal · Limited investigation · Final report · Jun 5, 2007 · N8835Q · Destroyed
  > The agricultural pilot's failure to maintain clearance from the terrain while maneuvering to avoid power lines. The power lines were a contributing factor in the accident.
- [NTSB CHI06CA257](https://openairdocs.org/ntsb/CHI06CA257.md): Piper PA-25-235 · Anamoose, ND · Accident · No injuries · Data collection · Final report · Sep 6, 2006 · N8501L · Substantial damage
  > The pilot not maintaining altitude/clearance from terrain during the aerial application pass.
- [NTSB CHI06CA242](https://openairdocs.org/ntsb/CHI06CA242.md): Bell 47G-5 · Sanborn, ND · Accident · No injuries · Data collection · Final report · Aug 23, 2006 · N2251W · Substantial damage
  > The pilot's failure to maintain clearance from the power lines during the aerial application flight. The power lines were a factor.
- [NTSB CHI06LA240](https://openairdocs.org/ntsb/CHI06LA240.md): Cessna A188B · Rolla, ND · Accident · No injuries · Limited investigation · Final report · Aug 18, 2006 · N9224R · Substantial damage
  > The pilot's failure to maintain clearance from terrain during the aerial-application flight, and the loss of engine power due to the overstress failure of the engine crankshaft sustained during ground impact. Contributing to the accident was the low-altitude…
- [NTSB CHI06LA223](https://openairdocs.org/ntsb/CHI06LA223.md): Piper PA-25-235 · Underwood, ND · Accident · 1 fatal · Limited investigation · Final report · Aug 3, 2006 · N4693Y · Substantial damage
  > The pilot's failure to maintain clearance with the power line during the aerial application flight.
- [NTSB CHI06CA162](https://openairdocs.org/ntsb/CHI06CA162.md): Weatherly 201B · Bowbells, ND · Accident · Minor injuries · Data collection · Final report · Jun 22, 2006 · N1263W · Substantial damage
  > The pilot's failure to maintain clearance to the rising terrain while maneuvering during the agricultural application flight. Contirbuting factors were the low altitude operation and the rising terrain.
- [NTSB CHI05LA211](https://openairdocs.org/ntsb/CHI05LA211.md): Grumman G-164A · Buchanan, ND · Accident · Serious injuries · Limited investigation · Final report · Aug 4, 2005 · N6858Q · Destroyed
  > The pilot failed to maintain obstacle clearance from the power lines. Factors included the glare on the windshield and the power lines.
- [NTSB CHI05LA188](https://openairdocs.org/ntsb/CHI05LA188.md): Air Tractor AT-301 · Langdon, ND · Accident · 1 fatal · Limited investigation · Final report · Jul 15, 2005 · N3159N · Destroyed
  > The pilot's failure to maintain clearance from the terrain while attempting an abrupt turning maneuver at a low altitude.
- [NTSB CHI05CA183](https://openairdocs.org/ntsb/CHI05CA183.md): Rockwell S-2R · Guelph, ND · Accident · Serious injuries · Data collection · Final report · Jul 12, 2005 · N4232X · Substantial damage
  > The pilot's failure to maintain clearance to the guy wire during the agricultural application pass. Contributing factors were the guy wire, and low altitude flight.
- [NTSB CHI04LA225](https://openairdocs.org/ntsb/CHI04LA225.md): Cessna A188B · Mylo, ND · Accident · 1 fatal · Limited investigation · Final report · Aug 12, 2004 · N92806 · Destroyed
  > The pilot's failure to maintain clearance from the windmill. The windmill was a contributing factor.
- [NTSB CHI04CA151](https://openairdocs.org/ntsb/CHI04CA151.md): Grumman-Schweizer G-164B · Hope, ND · Accident · No injuries · Data collection · Final report · Jun 10, 2004 · N48517 · Substantial damage
  > The pilot's failure to maintain clearance from the tree branches during the aerial-application flight. A factor to the accident was the trees.

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?status=final&state=ND&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" = 'ND' AND c."eventCountry" = 'USA'
  AND c."completionStatus" = 'Completed'
  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=ND&status=final

---
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.