Final NTSB investigations, ND
255 cases where the phase of flight was Maneuvering.
Cases, newest first
Query with SQL
duckdb -csv -c "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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CHI90DTG03Accident · Minor injuriesFinal reportEagle DW-1 · Jamestown, NDPilot's failure to maintain clearance from the powerline during an aerial application manuever.NTSB DEN90LA140Accident · Serious injuriesLimited investigationFinal reportPiper PA-25-260 · Hazelton, NDThe failure of the pilot in command to maintain adequate visual lookout during aerial application maneuvering.NTSB DEN90FA099Accident · 2 fatalField investigationFinal reportPiper PA-22-160 · Scranton, NDPilot factor in that he failed to maintain aircraft control while performing an inflight maneuver.NTSB DEN89DTG01Accident · 1 fatalFinal reportCessna 188A · Valley City, NDInadequate visual lookout by the pilot. The power line was a related factor.NTSB DEN89LA181Accident · No injuriesLimited investigationFinal reportCallair A-9 · Cartwright, NDA total loss of power due to an improperly adjusted carburetor which resulted in an excessive rich fuel-air mixture. This required a forced landing in an area where no suitable terrain existed.NTSB DEN89LA168Accident · Minor injuriesLimited investigationFinal reportCessna 172H · Hatton, NDImproper in-flight planning/decision by the pilot and his failure to maintain sufficient clearance above the ground. The tailwind, high obstruction (shelter belt), and downdraft were contributing factors.NTSB DEN88LA161Accident · No injuriesLimited investigationFinal reportPiper PA-36-285 · Buchanan, NDThe plt said he made several swath runs passing under a transmission line and over a power line that crossed the end of the fld being sprayed. He said as he passed under the transmission line during a run the vert stab collided with the line and was damaged.…NTSB DEN88LA131Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Ayr, NDNTSB DEN88LA017Accident · No injuriesLimited investigationFinal reportPiper J5A · Devils Lake, NDA commercial plt was giving instruction to another commercial plt with a CFI rating. Witnesses observed the aircraft at approximately 100 feet over a water fowl production lake. The plt stated that during a turn and pull up, the engine lostpower and the…NTSB DEN87DTG02Accident · No injuriesFinal reportBell 47G-4A · Minot, NDThe plt rprtd that when he took off fm a nrby nurse truck, the wind was fm the NE at 5 to 7 mph. He made an observation pass across the area to be treated, then bgn a dscndg rgt turn to make a swath run in the opposite drctn. He stated he was unaware of a…NTSB DEN87FA224Accident · Serious injuriesField investigationFinal reportChampion 7ECA · Devils Lake, NDThe acft was observed flying at low altitude and circling a farm that belonged to the plt's sister. After making two passes by the farm, the acft crashed in a corn field. The plt said he was looking for a field in which to land, and on the 2nd pass, the acft…NTSB DEN87DTG01Accident · No injuriesFinal reportCessna 188 · Valley City, NDThe plt rprtd the eng lost pwr drg a swath run & the acft was dmgd drg a forced lndg in a field of mature sunflowers. An exam of the acft revealed that both fuel tanks & the gascolater contained fuel. Subsequently, the eng was started at the acdnt site & it…NTSB DEN87LA193Accident · Serious injuriesLimited investigationFinal reportCessna T188C · Pisek, NDThe plt was preparing to spray a potato field with a mixture of water and 2 lbs of 'blight-out.' He made one observation pass over the field to check for obstructions and noticed two sets of power lines, one on the east side of a road and the other on the…NTSB DEN87LA190Accident · Minor injuriesLimited investigationFinal reportPiper PA-25-235 · Fargo, NDThe plt was spraying a field with orthine, used to exterminate grasshoppers. The plt said he was making his last pass at the field and was flying into a setting sun. He said he did not see the powerline. The acft struck the powerline and the plt made a crash…NTSB DEN87LA161Accident · Serious injuriesLimited investigationFinal reportCessna A188B · Cayuga, NDThe plt was completing a swath run and struck a power line with the right wing, severing the wing. The aircraft did a snap roll to the right and impacted in a field.NTSB DEN87LA112Accident · Serious injuriesLimited investigationFinal reportPiper PA-25-260 · Harvey, NDAn ag plt was working a field on an aerial application flt. At the end of a spray pass, the acft struck a shelterbelt and went out of control. The acft climbed to 300 ft and rolled inverted. The acft impacted the ground in a nose low, wing down attitude. The…NTSB DEN87LA101Accident · Minor injuriesLimited investigationFinal reportBoeing A75N1 · Argusville, NDThe plt took off with a load of 46-0-0 fertilizer and proceeded to the field to be treated. The plt said when he arrived his flagger was not in position so he initiated a goaround. When the plt had turned 90 deg onto the x-wind leg the acft stalled. The plt…NTSB DEN87FA090Accident · 1 fatalField investigationFinal reportBellanca 7GCBC · Berthold, NDThe plt took off to the east from a farm driveway to return home. Witnesses saw the airplane make an immediate right turn, followed by a left turn at aprx 35-50 ft AGL. The acft approached the farm at aprx 50-100 ft AGL. The acft suddenly pulled up, banked…NTSB DEN86LA248Accident · No injuriesLimited investigationFinal reportCessna 150J · Goodrich, NDPlt said he was flying low and chasing black birds from his sunflower fields. Terrain was rolling hills. Plt said he made one pass over field and was turning around for another pass. 'I got my airspeed too low and started to stall. I brought it out of the…NTSB DEN86LA182Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Williston, NDDuring the telephone interview, the plt stated the eng of his crop duster quit due to fuel exhaustion and a forced landing was made.NTSB DEN86LA174Accident · No injuriesLimited investigationFinal reportSchweizer G-164A · La Moure, NDAccording to the plt, during a swath run, the acft he was piloting encountered 'bad air' and descended until the wings and wheels contacted the crop of grain he was spraying. The plt stated the acft stalled and contacted the ground.NTSB DEN86LA167Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · South Heart, NDAccording to the plt, during a swath run (agricultural spraying), the eng quit & a forced landing was accomplished. During the interview, the plt stated the eng quit due to fuel exhaustion.NTSB DEN86LA157Accident · No injuriesLimited investigationFinal reportPiper PA-25 · Williston, NDPlt stated that he was unfamiliar with the geographical area on this flt. He also stated, 'I was paying attention to the pwr lines and road and did not realize the hill out front was as high as it was...I attempted to turn back out, but with downwind it blew…NTSB DEN86LA151Accident · Minor injuriesLimited investigationFinal reportBell 206B · Portal, NDThe plt reported that the acft hit wires at the end of a swath run. The pitch change link broke when the main rotor contacted the wires and the plt attempted to land. After touchdown, the helicopter rolled onto its side.NTSB DEN85LTG08Accident · Minor injuriesFinal reportPiper PA-28-140 · Underwood, NDThe acft nosed over during a forced landing following a loss of pwr. The plt stated he was practicing slow flt on the return flt from picking the acft up after an annual inspection. As the acft slowed to 90 mph during slow flt, the plt attempted to increase…NTSB DEN85LTG04Accident · No injuriesFinal reportPiper PA-25 · Antler, NDThe left wing of the acft received substantial damage when it contacted trees during a pull-up at the end of a swath run. The plt then flew the acft to a fld aprx 1 mile away and a precautionary landing was made.NTSB DEN85LTG03Accident · No injuriesFinal reportPiper PA-25-235 · Kramer, NDThe acft collided with the shoulder of a hwy when the plt attempted to avoid power lines during an aerial application flt.NTSB DEN85LA166Accident · No injuriesLimited investigationFinal reportPiper PA-25 · Leonard, NDDuring an aerial spray operation, the plt returned to a field with his 2nd chemical load. As he descended over trees to begin a swath run, he began a flare, but the acft continued descending & impacted the ground. The right landing gear was torn off & the…NTSB DEN85LA147Accident · Minor injuriesLimited investigationFinal reportIntermountain Mfg. Callair A-9 · Michigan, NDThe plt elected to fly the newly purchased acft around the airstrip to test the spray sys. Shortly after taking off, the eng stopped running while the acft was over a slough. The plt was unable to glide the acft to suitable terrain, & subsequently, the acft…NTSB DEN84LA253Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Arthur, NDAcft flown at high gross weight in high density altitude conditions. The plt said takeoff pwr was added too late to stopthe descent at the start of a spray run.NTSB DEN84LA258Accident · No injuriesLimited investigationFinal reportPiper PA-25-150 · New Rockford, NDPlt stated, 'on spray run. Got to close to sunflowers. When I started hitting them on the landing gear the plane slowed down and didn't have enough speed or power to get out so the plane landed in the sunflower field in about 50 yards.' Substantial damage…NTSB DEN84LA236Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Webster, NDPlt stated the engine began to sputter during an ag flt. A forced landing was made in a wheat field during which the left main gear collapsed and the left wing contacted the ground. Investigation revealed the acft was fueled from an unfiltered 5 gallon can…NTSB DEN84LA279Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Stanley, NDThe plt reported that he was spraying a field with 2 power lines at the north edge. He had been making passes under the wires, but where 2 poles were too close together, he decided to fly over the wires. After making a procedure turn back toward the field, he…NTSB DEN84LA179Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Kindred, NDThe engine quit on the first swath run after a carburetor change. Substantial damage resulted from the forced landing. Subsequent examination of the carburetor revealed fouling by sealant material partially dissolved by fuel.NTSB DEN83LA213Accident · No injuriesLimited investigationFinal reportPiper PA-28B-150 · Watford City, NDThe acft nose gear collapsed during a precautionary landing due to weather. The plt had been briefed on the weather the evening before the accident. The pilot stated that when the flight was 20 minutes from home he 'thought we could make it.' However, he…NTSB DEN83LA204Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Manning, NDThe acft collided with the ground after an eng failure while stringing power lines. The acft was in a right side low, nose high attitude pulling a wire attached to the left side of the acft. The wind was from the right rear quarter when the loss of power…NTSB DEN83LA190Accident · No injuriesLimited investigationFinal reportCessna T188L · Wahpeton, NDThe acft collided with the ground during aerial application turn around. The pilot stated that he looked inside the cockpit during the maneuver to see how much chemical was left. He saw the ground out of the corner of his eye and tried to avoid the collision…NTSB DEN83LA166Accident · No injuriesLimited investigationFinal reportWeatherly 201B · Thompson, NDThe acft crashed during descent for the first swath run. Investigation revealed that the pilot applied back pressure to the control stick to flare from the descent. The acft did not respond and continued to descend. The impact was hard enough to tear the left…NTSB DEN83LA170Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Page, NDWhile spraying at dusk, the plt was concerned about injuring a 'non-target crop' across the road to the south from the field that was being sprayed. He stated that an irrigation system was sitting pointed southwest, and that as he was entering a swath to the…NTSB DEN83LA153Accident · Minor injuriesLimited investigationFinal reportAero Commander Callair A-9B · Rolla, NDDuring a procedure turn-around after the second pass, the acft entered a stall, the left wing dropped & the plane impacted, left wing first, while in a nose down attitude. No preimpact, mechanical malfunction or failure was reported.NTSB DEN83FTG01Accident · 2 fatalFinal reportStolp SA750 · Harwood, NDThe acft impacted the ground in an inverted position in about a 30 degree nose down attitude. The acft was observed doing aerobatics with the last maneuver a spin. The acft spun to an out of sight position behind the trees and a crash was heard. The CFI on…NTSB DEN82FTG06Accident · 2 fatalFinal reportPiper PA-12 · Oakes, NDSeveral witnesses reported that the purpose of the flight was blackbird control of a sunflower field. There was speculation by local residents that the aircraft was being used to spread poisoned corn. This was substantiated when corn and a portion of an…NTSB DEN82DA144Accident · No injuriesFinal reportPiper PA-25-235 · Leonard, NDThe pilot stated the engine lost power as he pulled up from the final spray run. The aircraft wing contacted a tree and a forced landing was made in a barley field. Post flight exam showed no reason for the power loss.NTSB DEN82DA108Accident · No injuriesFinal reportCallair A-9B · Rolla, NDThe pilot reported that after loading with chemical, water, and fuel, he went to a field and began spraying. He stated that after he had made his first swath run, he was turning for a second swath when the plane stalled and crashed. The landing gear,…NTSB DEN82DTG05Accident · No injuriesFinal reportCessna 188 · Devils Lake, NDThe pilot started a swath run at dusk by crossing under a set of wires. As he crossed under the wires, one of his main gear struck the top of a rock pile. The pilot thought that both of the main gear had failed, and he elected to make a belly landing in a…NTSB DEN82DTG04Accident · No injuriesFinal reportBoeing A75N1 · Northwood, NDThe pilot was on a flight to practice aerial application. This was his first flight in this make and model of aircraft. While making a practice run over an open field with water in the chemical tanks, the left main gear contacted the ground damaging the…NTSB DEN82DA050Accident · Serious injuriesFinal reportPiper PA-11 · Devils Lake, NDThe pilot and passenger/pilot were making low, slow passes over fisherman on the ice. The pilot reversed directions and the aircraft stalled. The pilot stated he was looking at the ground and became distracted.NTSB DEN82DA040Accident · Serious injuriesFinal reportBell 206B III · Trenton, NDThe aircraft was hovering during a sling load operation when the engine lost power. The pilot released the load but due to low rotor RPM the aircraft landed hard, substantially damaging the aircraft. Investigaton revealed a failure of the forward male splines…NTSB DEN82FTG01Accident · No injuriesClosedPietsch GJ · Minot, NDNTSB DEN81FTG15Accident · Serious injuriesClosedBoeing B75N1 · Northwood, ND