NTSB investigations, KS
315 cases where the phase of flight was Maneuvering.
Cases per year
| 1964 | 6 |
|---|---|
| 1965 | 11 |
| 1966 | 5 |
| 1967 | 8 |
| 1968 | 9 |
| 1969 | 12 |
| 1970 | 4 |
| 1971 | 11 |
| 1972 | 8 |
| 1973 | 7 |
| 1974 | 9 |
| 1975 | 12 |
| 1976 | 9 |
| 1977 | 10 |
| 1978 | 4 |
| 1979 | 8 |
| 1980 | 9 |
| 1981 | 8 |
| 1982 | 9 |
| 1983 | 7 |
| 1984 | 8 |
| 1985 | 9 |
| 1986 | 2 |
| 1987 | 7 |
| 1988 | 5 |
| 1989 | 2 |
| 1990 | 4 |
| 1991 | 6 |
| 1992 | 1 |
| 1993 | 6 |
| 1994 | 5 |
| 1995 | 5 |
| 1996 | 5 |
| 1997 | 3 |
| 1998 | 2 |
| 1999 | 7 |
| 2000 | 5 |
| 2001 | 6 |
| 2002 | 2 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 2 |
| 2008 | 5 |
| 2010 | 3 |
| 2011 | 1 |
| 2012 | 6 |
| 2013 | 5 |
| 2014 | 2 |
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 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\" = 'KS' 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"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" = 'KS' AND c."eventCountry" = 'USA'
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 CEN26LA252Accident · Minor injuriesClass 4 · LimitedFinal reportAir Tractor AT802 · Whiting, KSThe pilot's failure to maintain clearance from an antenna while maneuvering during a low-level aerial application flight.NTSB CEN25FA339Accident · 1 fatalClass 3 · FieldPreliminary reportRans S-12 Airaile · Concordia, KSOn August 24, 2025, about 1926 central daylight time, a Rans S-12 Airaile airplane, N2757A, was substantially damaged when it was involved in an accident near Concordia, Kansas. The pilot was fatally injured. The airplane was operated as a Title 14 Code of…NTSB CEN24FA248Accident · 1 fatalClass 3 · FieldFinal reportRotorway Scorpion 133 · Andale, KSThe pilot’s abrupt control inputs, which resulted in a low-G condition, main rotor mast bumping, and subsequent severing of the tailboom by the main rotor blades.NTSB CEN24LA193Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-502 · Covert, KSThe improper maintenance of the fuel control unit, which resulted in air leakage and a loss of control of fuel flow to the engine.NTSB CEN24LA031Accident · Serious injuriesClass 3 · LimitedFinal reportPowrachute Pegasus · Manhattan, KSThe pilot’s improper modification of the engine cooling system that resulted in an engine overheat and total loss of power. Contributing to the accident was the pilot’s decision to continue the flight after the engine overheat light illuminated instead of…NTSB CEN23LA308Accident · No injuriesClass 4 · LimitedFinal reportHughes 369D · Atchison, KSThe pilot’s failure to adequately survey a field for obstructions prior to a low-level aerial application pass, which resulted in an impact with a powerline.NTSB CEN23LA279Accident · No injuriesClass 4 · LimitedFinal reportBell 206B · Chapman, KSThe pilot’s failure to maintain clearance from the power line during an agricultural application pass.NTSB CEN23LA303Accident · No injuriesClass 4 · LimitedFinal reportAyres S2R-G6 · Ulysses, KSThe pilot’s failure to maintain clearance from a cable during spray operations.NTSB CEN23LA149Accident · No injuriesClass 3 · LimitedFinal reportCessna 182Q · Gardner, KSA total loss of engine power due to failure of the No. 6 connecting rod as a result of detonation.NTSB CEN22LA158Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R22 Beta · Garnett, KSThe pilot’s failure to maintain lateral control while hovering which resulted in a dynamic rollover.NTSB CEN21LA362Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-502B · Topeka, KSThe pilot’s decision to continue low-level aerial application flight maneuvers after the low fuel warning light illuminated, which resulted in a partial loss of engine power due to fuel exhaustion.NTSB CEN21LA286Accident · Minor injuriesClass 3 · LimitedFinal reportAyres S2R-T34 · Leoti, KSThe pilot’s loss of visibility in the cockpit due to foam created by the chemicals loaded in the hopper, which resulted in his inability to maintain airplane control during low-level flight and an impact with terrain. Contributing to the accident was the…NTSB CEN21LA225Accident · 1 fatalClass 3 · LimitedFinal reportBell OH58A · Ulysses, KSThe pilot’s failure to maintain clearance from a power line during the aerial application flight, which resulted in collision with the power line and subsequent impact with terrain.NTSB CEN21LA165Accident · No injuriesClass 4 · LimitedFinal reportHughes 369D · Lake City, KSThe pilot’s failure to maintain clearance from power lines during power line maintenance.NTSB CEN21LA062Accident · No injuriesClass 4 · LimitedFinal reportCessna 120 · Johnson City, KSThe pilot’s improper decision to fly the airplane at too low an altitude resulting in the airplane impacting terrain.NTSB CEN20CA334Accident · No injuriesClass 4 · Data collectionFinal reportHughes 369 · Delia, KSForeign object damage sustained to the main rotor blades due to aerial tree trimming.NTSB CEN19FA278Accident · 1 fatalField investigationFinal reportGrumman G164 · Hays, KSThe pilot's exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.NTSB GAA19CA352Accident · No injuriesData collectionFinal reportAir Tractor AT402 · Liberal, KSThe pilot's failure to see and avoid a windmill tower while maneuvering at low altitude.NTSB GAA19CA328Accident · Minor injuriesData collectionFinal reportAir Tractor AT502 · Monument, KSThe pilot's failure to maintain altitude due to distraction by ground equipment in the airplane’s path, which resulted in his failure to maintain clearance from crops during an agricultural application flight and resulted in a loss of airplane control.NTSB GAA18CA573Accident · No injuriesData collectionFinal reportHiller UH 12E · Frankfort, KSThe ground crewmember's improper grabbing of the hovering helicopter's skid during an external load hook-up, which resulted in the helicopter descending and the main rotors striking ground equipment.NTSB CEN18LA342Accident · No injuriesLimited investigationFinal reportCessna A188 · Whitewater, KSThe partial loss of engine power due to low cylinder compression, which led to the forced landing following a pull-up maneuver. Contributing to the accident was the airplane’s high gross weight.NTSB CEN17LA372Accident · No injuriesLimited investigationFinal reportPiper PA 25-235 · Westphalia, KSA total loss of engine power due to a fatigue failure of the crankshaft that resulted from main bearing shift and lack of lubrication.NTSB CEN17FA270Accident · 2 fatalField investigationFinal reportNorth American/Aero Classics P 51 · Cummings, KSThe loss of airplane control while maneuvering at low altitude for reasons that could not be determined.NTSB CEN17LA176Accident · No injuriesLimited investigationFinal reportThrush S2R-H80 · Gypsum, KSA total loss of engine power during a low-altitude agricultural application flight for reasons that could not be determined during detailed examinations. Contributing to the accident was the pilot’s failure to follow the airplane manufacturer's emergency…NTSB CEN17LA163Accident · No injuriesLimited investigationFinal reportGrumman Schweizer G-164 · Palmer, KSA crack in the cylinder of the radial engine, which resulted in a loss of engine power and a forced landing on unsuitable terrain.NTSB CEN16LA334Accident · Serious injuriesLimited investigationFinal reportPiper PA 25-235 · Bushton, KSA partial loss of engine power for reasons that could not be determined based on the available information.NTSB CEN16CA277Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G 164A · Topeka, KSThe pilot’s failure to maintain clearance from a wire during an agricultural flight.NTSB CEN16LA266Accident · 1 fatalLimited investigationFinal reportToevs Titanium Explorer · Whitewater, KSThe loss of aircraft control for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB CEN15LA330Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Emmett, KSThe engine failure due to several loose, damaged cylinder stud nuts and hold-down bolts. Contributing to the accident was maintenance personnel’s failure to detect that the cylinder nuts and hold-down bolts were not properly secured during the engine’s most…NTSB CEN15FA240Accident · 1 fatalField investigationFinal reportYakovlev YAK 52 · Syracuse, KSThe pilot’s failure to maintain airplane control while maneuvering at low altitude, which resulted in the airplane’s wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall .NTSB CEN15LA107Accident · Serious injuriesLimited investigationFinal reportCessna 210J · Dodge City, KSThe loss of engine power on approach due to fuel exhaustion, which resulted from the pilot's improper preflight fuel planning and inspection.NTSB CEN14FA288Accident · 2 fatalField investigationFinal reportSchrieber Robert L P 70 · Great Bend, KSThe pilot's improper preflight planning, which led to a loss of engine power due to fuel exhaustion. Contributing to the accident was the pilot's loss of airplane control during the forced landing.NTSB CEN14LA211Accident · 1 fatalLimited investigationFinal reportAir Tractor AT 502B · Garfield, KSThe pilot’s inadequate preflight planning and subsequent failure to remain clear of power lines while maneuvering low to the ground.NTSB CEN13LA439Accident · 1 fatalLimited investigationFinal reportWoods Rufus III Vans RV-8A · Lucas, KSThe noninstrument-rated pilot's inadvertent entry into instrument meteorological conditions, which resulted in his spatial disorientation and a subsequent loss of airplane control.NTSB CEN13LA346Accident · No injuriesLimited investigationFinal reportRogers T-51 Mustang KIT · St Francis, KSForeign debris in the propeller governor, which led to excessive wear in the governor and its subsequent in-flight failure.NTSB CEN13LA265Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Lyons, KSThe pilot's diverted attention after the door hinge failed and a piece of door glass struck the pilot, resulting in the airplane's descent into the crops and impact with terrain.NTSB CEN13LA260Accident · Minor injuriesLimited investigationFinal reportCessna A188B · Lyons, KSThe partial loss of engine power due to fuel contamination, which resulted in impact with terrain. Contributing to the accident was the pilot's inadequate preflight inspection, during which he failed to detect the fuel contamination.NTSB CEN13LA263Accident · No injuriesLimited investigationFinal reportAir Tractor AT-602 · Udall, KSThe pilot's inadequate flight planning, which resulted in a wire strike.NTSB CEN12LA552Accident · Serious injuriesLimited investigationFinal reportCessna A150L · Tribune, KSThe pilot's failure to maintain clearance from a corn crop.NTSB CEN12FA521Accident · No injuriesField investigationFinal reportAyres S2R-T34 · Lakin, KSThe pilot's failure to maintain clearance from the corn during an aerial application flight.NTSB CEN12LA549Accident · No injuriesLimited investigationFinal reportCessna 182D · Rose Hill, KSThe inadvertent deployment of a skydiver's parachute, which struck the right horizontal stabilizer.NTSB CEN12LA267Accident · Minor injuriesLimited investigationFinal reportBell 206B · Valley Falls, KSThe pilot’s inadequate compensation for the wind conditions during a hover maneuver, which resulted in a loss of tail rotor effectiveness.NTSB CEN12LA236Accident · Serious injuriesLimited investigationFinal reportAyres S2R-T15 · Lakin, KSThe pilot did not maintain sufficient airspeed while maneuvering, which resulted in an aerodynamic stall at a low altitude.NTSB CEN12LA135Accident · No injuriesLimited investigationFinal reportCessna 150M · El Dorado, KSThe loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB CEN11CA551Accident · Serious injuriesData collectionFinal reportQuicksilver Sprint II · Douglas, KSThe pilot’s improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.NTSB CEN11LA012Accident · 1 fatalLimited investigationFinal reportNewmann Edward W Challenger II · Easton, KSThe pilot’s failure to maintain control of the airplane for undetermined reasons.NTSB CEN10CA286Accident · Minor injuriesData collectionFinal reportCessna 150M · Glasco, KSThe pilot’s delay in applying full power to arrest a sink rate at low altitude.NTSB CEN10LA099Accident · 2 fatalLimited investigationFinal reportBuckeye DM · Sublette, KSThe failure of both pilots to see and avoid the other aircraft, which resulted in a midair collision while maneuvering at low altitude.NTSB DFW08FA234Accident · No injuriesField investigationFinal reportCessna E162 · Douglas, KSThe airplane's inability to recover from an intentional spin, despite proper control inputs by the flight test pilot. Contributing to the accident was the failure of the airplane's ballistic parachute system to properly deploy.NTSB DEN08LA125Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-402B · Deerfield, KSThe pilot inadvertently stalling the airplane. Contributing factors in this accident were the pilot intentionally performing low altitude maneuvers (side slips), unporting and starving the engine of fuel, and his initiating a climb at low airspeed.