Final NTSB investigations, ND
107 cases where the phase of flight was Initial climb.
Cases per year
| 1964 | 3 |
|---|---|
| 1965 | 3 |
| 1966 | 3 |
| 1967 | 1 |
| 1968 | 5 |
| 1969 | 3 |
| 1970 | 10 |
| 1971 | 7 |
| 1972 | 1 |
| 1974 | 3 |
| 1975 | 2 |
| 1976 | 4 |
| 1978 | 2 |
| 1980 | 1 |
| 1981 | 2 |
| 1982 | 5 |
| 1983 | 2 |
| 1984 | 5 |
| 1985 | 4 |
| 1986 | 5 |
| 1987 | 3 |
| 1989 | 1 |
| 1990 | 3 |
| 1991 | 1 |
| 1992 | 3 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 3 |
| 1998 | 4 |
| 2000 | 1 |
| 2003 | 1 |
| 2005 | 2 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2023 | 1 |
Where
Latest cases
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 = 350)
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 = 350)
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 CEN23LA347Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-401 · Jamestown, NDThe pilot’s failure to maintain proper airspeed after liftoff, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall.NTSB CEN21LA044Accident · 1 fatalClass 3 · LimitedFinal reportPiper PA-22-135 · Dunn Center, NDThe noninstrument-rated pilot’s decision to depart into instrument meteorological conditions, which resulted in a loss of control.NTSB CEN19LA311Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 172 · Grassy Butte, NDA total loss of engine power due to water contamination of the fuel, and the pilot's failure to conduct a preflight inspection.NTSB CEN18LA354Accident · Serious injuriesLimited investigationFinal reportBeech 35 · Bowman, NDThe loss of engine power due to fuel starvation.NTSB CEN16FA212Accident · 3 fatalField investigationFinal reportPiper PA 28-140 · Wishek, NDThe pilot's failure to maintain adequate airspeed during a climbing turn after takeoff, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall. Contributing to the accident was the pilot's self-induced pressure to…NTSB CEN11CA071Accident · No injuriesData collectionFinal reportGrumman G-164 · Michigan, NDThe pilot's failure to abort the takeoff roll following a noticeable loss of engine power due to low engine compression and a magneto failure.NTSB CEN09CA470Accident · No injuriesData collectionFinal reportRaytheon C90A · Bismarck, NDThe cabin entry door inadvertently opening during initial climb.NTSB CHI08CA201Accident · Minor injuriesData collectionFinal reportGrumman G-164D · Esmond, NDThe pilot's delay in advancing the throttle during the takeoff which resulted in inadequate airspeed and the subsequent stall/mush. Factors associated with the accident were the leaking hopper, the pilot continuing to operate the airplane with the known…NTSB CHI07CA248Accident · No injuriesData collectionFinal reportBeech B60 · Bismark, NDThe improper fuel grade due to the improper fueling of the airplane by the fixed base operator, which led to the loss of engine power of both engines. A factor was the unsuitable terrain encountered during the forced landing.NTSB CHI07CA161Accident · No injuriesData collectionFinal reportWeatherly 201C · Mc Clusky, NDThe pilot's failure to check for fuel contamination during the preflight inspection, which resulted in a loss of engine power shortly after takeoff due to water contamination. Contributing factors to the accident included the rough/uneven field and the…NTSB CHI05CA246Accident · No injuriesData collectionFinal reportAyres S2R-G10 · Davenport, NDThe pilot failed to gain suffient altitude during takeoff in order to clear the corn crop at the end of the runway. A factor associated with the accident was the corn crop.NTSB CHI05CA074Accident · Serious injuriesData collectionFinal reportCessna 177RG · Fargo, NDThe mechanic's improper installation of the oil filter canister base gasket, which resulted in an oil leak and the separation of the connecting rod due to oil starvation. Factors to the accident were the unsuitable terrain encountered during the forced…NTSB CHI03LA266Accident · No injuriesLimited investigationFinal reportCessna 172G · Bowdon, NDThe pilot's failure to maintain adequate airspeed which led to a stall. Contributing to the accident was the pilot's lack of experience, the crosswind condition, wind gusts and power lines.NTSB CHI00LA177Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Portland, NDthe pilot intentionally operated the airplane with known damage on the left wing which resulted in the pilot's inability to maintain control of the airplane during takeoff.NTSB CHI98LA337Accident · No injuriesLimited investigationFinal reportWSK PZL Mielec PZL M18B · Tappen, NDthe pilot's improper preflight preparation resulting in the airplane exceeding the available airstrip distance during takeoff. A factor contributing to this accident was the swamp.NTSB CHI98LA305Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Edgeley, NDThe pilot's failure to maintain flying airspeed resulting in a stall/mush condition during the initial climb. Contributing factors were the high density altitude, high aircraft weight, and pilot's delayed jettison of the load, as well as the roadway and crop.NTSB CHI98LA301Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · La Moure, NDa loss of engine power due to undetermined reasons.NTSB CHI98LA266Accident · No injuriesLimited investigationFinal reportCessna R182 · Bismarck, NDThe fatigue failure of the fuel system line fitting.NTSB CHI98LA062Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Dawson, NDThe pilot's improper use of carburetor heat. Factors were carburetor icing conditions and a fence.NTSB CHI97LA213Accident · No injuriesLimited investigationFinal reportPiper PA-28-151 · Fessenden, NDthe pilot's premature liftoff and/or failure to abort the takeoff while there was sufficient runway remaining.NTSB CHI97LA157Accident · No injuriesLimited investigationFinal reportCessna A188B · La Moure, NDa loss of engine power for undetermined reasons and the pilot's failure to jettison the load. Factors involved were the exceeded weight and balance limits, and the pilot's inadequate preflight planning and preparation.NTSB CHI96LA250Accident · Minor injuriesLimited investigationFinal reportPoppenhagen PUD Knocker Special · Grafton, NDthe inadequate fuel system design by the builder which led to fuel starvation.NTSB CHI95LA250Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Park River, NDthe loss of power due to the primary lead in the left magneto being grounded against the case, and the improper clearance of the breaker point gaps. A factor was the lack of suitable terrain on which to perform the forced landing.NTSB CHI95LA167Accident · No injuriesLimited investigationFinal reportPiper PA-16 · Williston, NDThe failure of the pilot to maintain directional control on takeoff. The soft condition of the field was a factor.NTSB CHI94LA345Accident · No injuriesLimited investigationFinal reportCessna 150G · New Town, NDThe pilot's improper use of wing flaps and premature lift-off. The pilot's poor preflight preparation was a factor.NTSB CHI93FA028Accident · Minor injuriesField investigationFinal reportSmith, Ted Aerostar Aerostar 601 · Wahpeton, NDOther maintenance personnel's improper maintenance (installation).NTSB CHI93DTG01Accident · No injuriesFinal reportKing BOWERS-FLYBABY · Buffalo, NDPartial loss of engine power due to improper installation of the carburetor, by the pilot/owner.NTSB CHI92FA220Accident · 3 fatalField investigationFinal reportBeech V35B · Northwood, NDSpatial disorientation of the pilot in command during initial climb.NTSB CHI91DTG03Accident · No injuriesFinal reportSchweizer G164 · Gwinner, NDInadvertent closing of the mixture by the pilot. Factors related to the accident are inadequate control shape, or size, and inattentiveness of the pilot.NTSB DEN90FA161Accident · 2 fatalField investigationFinal reportCessna 150L · Hettinger, NDThe pilot's failure to maintain airspeed during climbout. Contributing factors were: the pilot's lack of recent experience, and the over maximum gross weight condition of the aircraft.NTSB DEN90LA146Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Edgeley, NDA momentary power interruption during initial climb for unknown reasons.NTSB DEN90DTG02Accident · 1 fatalFinal reportEugene N. Rausch RV-4 · Erie, NDAn inadvertent stall.NTSB MKC89IA082Incident · No injuriesIncident investigationFinal reportGulfstream 690A · Bismark, NDA failed (cracked) engine plenum resulting in loss of engine power.NTSB DEN87LA196Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Fargo, NDPlt installed new aerial application chemical tank. The tank was filled with water for a test flight. Plt could not hold nose down after takeoff. Acft stalled into trees and landed in field beyond trees. Acft nosed over and damaged fuselage and vertical…NTSB DEN87LA157Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Ray, NDThe plt reports that he was departing from an aerial app operating area. He said there was a tree line along a road with an opening and the takeoff was made toward the opening. There were wires across the opening and the poles were obscured by the trees on…NTSB DEN87LA114Accident · No injuriesLimited investigationFinal reportPiper PA-25 · Valley City, NDThe commercial pilot was trying out an acft with the stated intention of leasing it. A takeoff was planned from a stretch of gravel road. During the takeoff ground run, the acft became airborne then touched down in a field, bounced across an intersecting road…NTSB DEN87LA004Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301T · Grafton, NDPlt made forced landing on dirt road shortly after takeoff when the eng reportedly lost power. Plt extended landing gear but acft touched down before gear locked and left main landing gear collapsed. Left wing also struck a mailbox during rollout. Post…NTSB DEN86FTG01Accident · Serious injuriesFinal reportPiper PA25-235 · Stanley, NDThe acft went off the departure end of the rwy and collided with a ditch after which it erupted in flames. The temperature was 87 degrees with light wind. The density alt was computed to be 5000 ft. the plt had stated to the operator that he thought it was…NTSB DEN86LA153Accident · No injuriesLimited investigationFinal reportCessna 172G · Charlson, NDAccording to the plt, he lndd in an off arpt field to make a rest stop. He stated that bfr taking off again, he checked for wind & fnd none. He then initiated a soft field takeoff twd the NE with 20 deg of flaps. He stated that after lift-off, he 'took some…NTSB DEN86LA091Accident · No injuriesLimited investigationFinal reportCessna 175 · Kulm, NDAccording to the plt, the eng lost partial pwr on takeoff due to carberetor ice. A forced landing was made during which the nose gear collapsed resulting in substantial damage to the acft.NTSB DEN86FA075Accident · 1 fatalField investigationFinal reportPiper PA-34-200 · Bismarck, NDThe acft was observed descending out of a low ceiling when it suddenly made an abrupt left turn. Engine noise seemed to increase momentarily and then the nose of the acft dropped to a near vertical position. The twin engine acft crashed into a vacant house…NTSB DEN86LA017Accident · Minor injuriesLimited investigationFinal reportBeech A36TC · Bismarck, NDShortly after takeoff, the plt of the Beech A36TC acft activated what he believed was the flap retraction lever, and the eng quit. The plt made a forced landing aprx 1000 ft from the rwy departure end. During the investigation, the eng was started and…NTSB DEN85LA219Accident · No injuriesLimited investigationFinal reportCessna C-172 · Killdeer, NDThe plt said he measured the length of the r/w prior to t/o. the t/o was normal on a downsloping r/w with trees at the FAR end. The plt said that as the a/c lifted off the r/w the a/c struck the trees. He said a gust of wind caused the a/c to settle into the…NTSB DEN85LTG06Accident · No injuriesFinal reportBell 47G-4A · Minot, NDThe plt was engaged by a deputy sheriff to fly the helicopter about 2-1/2 mi to the Minot intl arpt for impoundment. During takeoff, it began climbing, then the plt lost control & the helicopter entered a descent & crashed. Initial impact occurred about 35 ft…NTSB DEN85LA071Accident · Serious injuriesLimited investigationFinal reportBeech 76 · Grand Forks, NDOn Sunday 1/27/85 at approximately 0849 MST, a Beech DUCHESSN1850S, on lease to the university of north dakota crashed after takeoff from the Grand Forks airport, Grand Forks, ND.the student pilot and certified flight instructore were not injured. Two…NTSB DEN85LA024Accident · No injuriesLimited investigationFinal reportCessna 185C · Williston, NDThe acft collided with a bridge during an aborted takeoff after failing to get airborne. The plt aborted the takeoff butthe acft failed to stop in time to avoid a collision with a railroad bridge abutment made of concrete. The plt stated that the acft had…NTSB DEN85LTG01Accident · Minor injuriesFinal reportHomebuilt EAA Special · Pembina, NDThis was the pilot's first operation in this make and model. During taxi, excessive use of brakes caused the aircraft to weave severely. Power was not reduced but back stick input was made. The aircraft became airborne prematurely in ground effect, stalled at…NTSB DEN84LA285Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Berlin, NDThe acft collided with the ground in a soft field and nosed over. The plt reported that the engine lost power and he could not dump his load because the dump handle came off. The plt said 100 gallons of liquid fertilizer was loaded on the acft. The plt did…NTSB DEN84LA270Accident · No injuriesLimited investigationFinal reportWeatherly 201B · Grand Forks, NDDuring initial takeoff climb at an alt of aprx 100 ft AGL, engine began missing. Unable to maintain alt, forced landing was made in a plowed field during which landing gear was torn from the acft. Inspection revealed #5 cylinder head separated from the…NTSB DEN84LA204Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Page, NDEngine siezed during takeoff climb at alt of aprx 100 ft AGL. Acft contacted trees during the forced landing. Examination of engine turbo section revealed the blower section had separated as a result of bearing failure. According to a mechanic who…