NTSB investigations, MI
321 cases where the phase of flight was Maneuvering.
Cases per year
| 1964 | 10 |
|---|---|
| 1965 | 8 |
| 1966 | 3 |
| 1967 | 11 |
| 1968 | 5 |
| 1969 | 10 |
| 1970 | 4 |
| 1971 | 3 |
| 1972 | 7 |
| 1973 | 6 |
| 1974 | 8 |
| 1975 | 9 |
| 1976 | 8 |
| 1977 | 9 |
| 1978 | 9 |
| 1979 | 5 |
| 1980 | 6 |
| 1981 | 6 |
| 1982 | 7 |
| 1983 | 8 |
| 1984 | 12 |
| 1985 | 10 |
| 1986 | 7 |
| 1987 | 4 |
| 1988 | 7 |
| 1989 | 6 |
| 1990 | 10 |
| 1991 | 8 |
| 1992 | 5 |
| 1993 | 4 |
| 1994 | 4 |
| 1995 | 4 |
| 1996 | 5 |
| 1997 | 5 |
| 1998 | 1 |
| 1999 | 3 |
| 2000 | 4 |
| 2001 | 5 |
| 2002 | 4 |
| 2003 | 3 |
| 2004 | 2 |
| 2005 | 1 |
| 2006 | 4 |
| 2007 | 2 |
| 2008 | 2 |
| 2009 | 4 |
| 2010 | 3 |
| 2011 | 9 |
| 2012 | 10 |
| 2013 | 6 |
| 2014 | 1 |
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 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\" = 'MI' 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" = 'MI' 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 ANC26FA002Accident · 3 fatalClass 3 · FieldPreliminary reportRaytheon Hawker 800XP · Bath, MIOn October 16, 2025, about 1728 eastern standard time, a Raytheon Hawker 800XP airplane, Mexican registration XA-JMR, was destroyed when it was involved in an accident near Bath Township, Michigan. The captain, co-pilot, and passenger were fatally injured.…NTSB CEN24LA318Accident · No injuriesClass 3 · LimitedFinal reportAyres S2R · Stanwood, MIThe pilot’s failure to maintain terrain clearance during a low-level aerial application flight, which resulted in impact with terrain and a subsequent forced landing. Contributing to the accident was the location of the spray boom pressure gauge, which…NTSB CEN24LA230Accident · No injuriesClass 4 · LimitedFinal reportCirrus Design SR20 · Litchfield, MIThe student pilot’s loss of control and the flight instructor’s delayed remedial reaction which resulted in a spin.NTSB CEN23FA361Accident · Serious injuriesClass 3 · FieldFinal reportMikoyan Gurevich MIG-23UB · Belleville, MIA reported partial loss of engine power while maneuvering for reasons that could not be determined.NTSB CEN23FA257Accident · 1 fatalClass 3 · FieldFinal reportAvid Magnum · Beaver Island, MIThe pilot’s failure to maintain clearance from the water while maneuvering in low visibility conditions due to smoke and haze.NTSB CEN23LA219Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Pontiac, MIThe flight crew’s inadequate compensation for gusting wind, and the flight instructor’s delayed remedial action, which resulted in impact with the ground.NTSB ERA22FA351Accident · 2 fatalClass 3 · FieldFinal reportSmith Aerostar 600 · South Haven Charter Township, MIA loss of power to the left engine due to contamination of the fuel system. Contributing to the accident was the pilots’ failure to properly configure the airplane for flight with one engine inoperative.NTSB CEN21LA387Accident · Minor injuriesClass 4 · LimitedFinal reportSix Chuter Skye Ryder · Harrison, MIThe pilot’s loss of control while maneuvering at low altitude, which resulted in impact with terrain.NTSB CEN21LA283Accident · Serious injuriesClass 4 · LimitedFinal reportAir Tractor AT-502B · Edwardsburg, MIThe pilot’s failure to identify rising terrain and to maintain terrain clearance from trees during an aerial application pass that resulted in an in-flight collision with trees and terrain.NTSB CEN21LA123Accident · No injuriesClass 4 · LimitedFinal reportPiper J3F-50 · Weidman, MIThe pilot’s failure to maintain clearance from terrain during a low approach over a snow-covered runway. Contributing to the accident was the loss of depth perception due to the bright sunlight and snow.NTSB CEN20LA272Accident · 1 fatalClass 3 · LimitedFinal reportGolden Circle Air T-Bird · Grosse Ile, MIThe noncertificated pilot’s failure to maintain clearance from trees while maneuvering at low altitude in gusting wind conditions. Contributing to the accident was the pilot’s lack of flight experience.NTSB CEN19LA214Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA18 · Bay City, MIThe pilot's failure to maintain airspeed and his exceedance of the airplane's critical angle of attack during a banner drop and pickup, which resulted in an aerodynamic stall and a subsequent loss of control.NTSB CEN19FA134Accident · 1 fatalClass 2 · FieldFinal reportAlliant Destiny 2000 · New Era, MIThe pilot's failure to maintain aircraft control while maneuvering that resulted in collapse of the canopy and an uncontrolled descent into terrain.NTSB CEN19CA062Accident · Minor injuriesData collectionFinal reportPiper PA 18 · Iron Mountain, MIThe pilot's distraction and subsequent loss of situational awareness and visual horizon in overcast sky conditions, which led to an unrecognized descent during a low-level maneuver and subsequent impact with snow-covered terrain.NTSB CEN18FA339Accident · 1 fatalField investigationFinal reportAir Tractor AT502 · Bronson, MIThe pilot's failure to maintain airspeed while maneuvering, which resulted in exceedance of the airplane's critical angle of attack, an aerodynamic stall, and loss of control at an altitude too low for recovery.NTSB CEN18LA313Accident · No injuriesLimited investigationFinal reportBrantly B-2 · Midland, MIThe in-flight separation of the tail rotor blade due to fatigue, which resulted in the subsequent emergency landing and dynamic rollover.NTSB CEN18LA106Accident · Minor injuriesClass 3 · LimitedFinal reportSchweizer 269D · Stockbridge, MIThe pilot’s failure to maintain adequate clearance from terrain while maneuvering the helicopter at a low altitude after departure. Contributing to the accident were the pilot’s distraction by the smoke in the cabin and the limited visible features in the…NTSB CEN18FA001Accident · 1 fatalField investigationFinal reportBrantly B 2B · Midland, MIThe pilot's failure to maintain control of the helicopter, which resulted in a loss of tail rotor effectiveness, and his failure to promptly initiate the proper recovery technique, which resulted in a descent that could not be arrested before impacting the…NTSB CEN17FA332Accident · Serious injuriesField investigationFinal reportCessna 180J · Gaylord, MIThe pilot's failure to use carburetor heat while operating in weather conditions that were conducive to carburetor ice formation, which resulted in a total loss of engine power due to carburetor ice accumulation.NTSB CEN17LA316Accident · Serious injuriesLimited investigationFinal reportNavion Navion G · Adrian, MIA leak in the gascolator, which allowed air to enter the fuel system and resulted in a partial loss of engine power.NTSB CEN16FA240Accident · 2 fatalField investigationFinal reportAeronca 11AC · Frankenmuth, MIThe pilot's loss of control for undetermined reasons based on available information.NTSB CEN15LA398Accident · Serious injuriesLimited investigationFinal reportBuckeye Dream Macine · Zeeland, MIThe noncertificated pilot's impairment due to alcohol consumption, which resulted in his failure to maintain clearance from a tree.NTSB GAA15CA102Accident · No injuriesData collectionFinal reportBell 206 - B11 · Caledonia, MIA loss of tail rotor effectiveness while maneuvering at low altitude, resulting in a collision with trees.NTSB CEN15LA235Accident · Serious injuriesLimited investigationFinal reportLathrop Steven A B8M · Ravenna, MIA total loss of engine power due to carburetor icing.NTSB CEN14LA371Accident · 1 fatalLimited investigationFinal reportAir Command 532 · Petersburg, MIThe noncertificated pilot’s failure to maintain control of the gyroplane following a total loss of engine power due to a loose spark plug.NTSB CEN13LA546Accident · Minor injuriesLimited investigationFinal reportBrantly B-2B · Rothbury, MIThe pilot’s failure to maintain helicopter control while turning to avoid trees during an aborted takeoff in gusting wind conditions.NTSB CEN13CA501Accident · No injuriesData collectionFinal reportMcdonnell Douglas Heli 369FF · Reese, MIThe failure of the temporary hoist holding the powerline wire which resulted in a brief loss of control and main rotor blade impacts with the tower.NTSB CEN13LA493Accident · Serious injuriesLimited investigationFinal reportTrick Trikes Storm Trooper · Covert, MIThe student pilot’s loss of control while maneuvering at low altitude over a congested beach area. Contributing to the accident was the pilot’s ostentatious display.NTSB CEN13LA422Accident · Serious injuriesLimited investigationFinal reportGrumman Aircraft Cor-Schweizer G-164A · Elmira, MIThe pilot's failure to maintain clearance from a line of trees while applying agricultural product to a field.NTSB CEN13LA401Accident · 1 fatalLimited investigationFinal reportJDT 1600R · Chesaning, MIThe failure of the propeller reduction gearbox and the pilot’s subsequent failure to maintain adequate airspeed, which led to the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall and spin. Contributing to the accident were…NTSB CEN13LA383Accident · Serious injuriesLimited investigationFinal reportVink Robert D Youngster · Grand Haven, MIThe loss of engine power due to carburetor icing.NTSB CEN13LA086Accident · 1 fatalLimited investigationFinal reportBell 47G-2 · Walkerville, MIThe pilot's failure to maintain altitude while maneuvering, which resulted in a collision with trees. Contributing to the accident was the pilot's decision to fly at a low altitude, which did not provide enough margin to recover from the descent.NTSB CEN12CA603Accident · Minor injuriesData collectionFinal reportFlight Design Ctls · Pittsford, MIThe student pilot’s failure to maintain directional control of the airplane while maneuvering at a low altitude.NTSB CEN12LA578Accident · 2 fatalLimited investigationFinal reportDestiny XLT · Hart, MIThe partial deflation of the powered parachute canopy when the pilot flew the aircraft into an area with gusty wind conditions. Contributing to the accident were the modifications that changed the flying characteristics of the parachute.NTSB CEN12LA483Accident · Serious injuriesLimited investigationFinal reportEipper Quicksilver MXL II · Goodrich, MIThe operation of an unregistered and unairworthy airplane by a non-certificated pilot. Contributing to the accident was the non-certificated pilot’s improper preflight inspection, which resulted in a total loss of engine power due to water/debris…NTSB CEN12LA330Accident · 1 fatalLimited investigationFinal reportSchleicher ASW-27 · Ionia, MIThe pilot's failure to maintain a proper airspeed in gusting wind conditions, which resulted in an inadvertent stall while maneuvering at an altitude that did not provide a margin for recovery.NTSB CEN12LA324Accident · 1 fatalLimited investigationFinal reportNorth American T-6G · Perry, MIThe pilot’s failure to maintain control while maneuvering at low altitude after takeoff, resulting in a collision with a barn.NTSB CEN12IA385Incident · No injuriesIncident investigationFinal reportCessna 182 · Fowlerville, MIThe airplane’s encounter with clear air turbulence, which caused a momentary loss of control and minor damage to the airplane.NTSB CEN12LA318Accident · Serious injuriesLimited investigationFinal reportAeros Ltd/Skyranger Skyranger II · Saline, MIThe pilot did not maintain proper control of the airplane while maneuvering at low altitude, which resulted in an aerodynamic stall.NTSB CEN12LA296Accident · Minor injuriesLimited investigationFinal reportMaule M-7-420AC · Hanover Township, MIA total loss of engine power for reasons that could not be determined during an exhaustive postaccident examination of the engine and its components.NTSB CEN12CA294Accident · Serious injuriesData collectionFinal reportBeckert Bruce A RV-6 · Au Gres, MIThe pilot’s low altitude maneuvering, which resulted in an inadvertent stall and subsequent impact with the water.NTSB CEN12FA097Accident · 2 fatalField investigationFinal reportPiper PA-32-260 · St. Ignace, MIThe pilot’s decision to initiate visual flight in instrument meteorological conditions and subsequent failure to maintain adequate altitude.NTSB CEN11FA666Accident · 2 fatalField investigationFinal reportRobinson Helicopter R44 · Curren, MIThe non-instrument-rated pilot's decision to continue visual flight into instrument meteorological conditions, which resulted in controlled flight into trees and the ground. Contributing to the accident was the pilot's impairment from multiple drugs.NTSB CEN11CA638Accident · No injuriesData collectionFinal reportEnstrom F-28F · Menominee, MIThe pilot's failure to maintain control of the helicopter during a hover.NTSB CEN11LA606Accident · 1 fatalLimited investigationFinal reportBoeing A75N1(PT17) · Mt. Clemens, MIThe wing walker’s decision to release his grip of the airplane during an attempted aerial transfer from airplane to helicopter before both aircraft achieved the proper relative positioning for the transfer.NTSB CEN11FA480Accident · 1 fatalField investigationFinal reportTaylorcraft DCO-65 · Boyne City, MIThe pilot failed to maintain airplane control while maneuvering at low altitude, which resulted in a stall/spin and impact with the terrain.NTSB CEN11LA459Accident · No injuriesLimited investigationFinal reportWingtip To Wingtip Panzl S-330 · Battle Creek, MIThe inadequate aileron hinge design, which resulted in the in-flight separation of the left aileron following a fatigue failure of the center hinge rod-end.NTSB CEN11FA417Accident · 2 fatalField investigationFinal reportBeech A36 · Charlevoix, MIThe pilot's inadequate airspeed while maneuvering at low altitude, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's decision to not execute a missed approach in weather conditions below minimums.NTSB CEN11FA253Accident · 3 fatalField investigationFinal reportPiper PA46-350P · Monroe, MIThe pilot's demonstration of poor judgment by attempting a high-speed pass several feet above the runway and his subsequent failure to maintain clearance from the runway.NTSB CEN11LA182Accident · No injuriesLimited investigationFinal reportCessna 150L · Trenton, MIThe loss of preload torque on a connecting rod nut and bolt, which precipitated a separation of the connecting rod from the engine's crankshaft and resulted in the total loss of engine power.