NTSB investigations, WI
580 cases where the phase of flight was Enroute.
Cases per year
| 1964 | 11 |
|---|---|
| 1965 | 12 |
| 1966 | 14 |
| 1967 | 15 |
| 1968 | 12 |
| 1969 | 25 |
| 1970 | 9 |
| 1971 | 12 |
| 1972 | 14 |
| 1973 | 12 |
| 1974 | 15 |
| 1975 | 18 |
| 1976 | 7 |
| 1977 | 19 |
| 1978 | 21 |
| 1979 | 18 |
| 1980 | 9 |
| 1981 | 11 |
| 1982 | 5 |
| 1983 | 13 |
| 1984 | 13 |
| 1985 | 12 |
| 1986 | 11 |
| 1987 | 10 |
| 1988 | 12 |
| 1989 | 13 |
| 1990 | 14 |
| 1991 | 9 |
| 1992 | 11 |
| 1993 | 16 |
| 1994 | 8 |
| 1995 | 15 |
| 1996 | 7 |
| 1997 | 7 |
| 1998 | 12 |
| 1999 | 5 |
| 2000 | 7 |
| 2001 | 5 |
| 2002 | 8 |
| 2003 | 5 |
| 2004 | 11 |
| 2005 | 6 |
| 2007 | 4 |
| 2008 | 7 |
| 2009 | 6 |
| 2010 | 6 |
| 2011 | 6 |
| 2012 | 4 |
| 2013 | 6 |
| 2014 | 3 |
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 10 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 5 |
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\" = 'WI' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 400)
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" = 'WI' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 400)
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 CEN27LA031Accident · No injuriesClass 4 · LimitedInvestigation openAeronca 65CA · Hartford, WINTSB CEN27FA016Accident · 5 fatalClass 3 · FieldInvestigation openPiper PA 46-350P · Reedsburg, WINTSB CEN26LA268Accident · No injuriesClass 3 · LimitedPreliminary reportKitfox III · Ephraim, WIOn July 26, 2026, at 1941 central daylight time, an experimental Kitfox III airplane, N573TB, sustained substantial damage when it was involved in an accident near Ephraim, Wisconsin. The private pilot and a passenger were uninjured. The airplane was operated…NTSB CEN26LA258Accident · No injuriesClass 3 · LimitedPreliminary reportVans RV-8A · Mineral Point, WIOn July 17, 2026, at 1748 central daylight time, an experimental amateur-built Vans Aircraft Inc RV-8A, N22SZ, sustained substantial damage when it was involved in an accident in Mineral Point, Wisconsin. The commercial pilot was uninjured. The airplane was…NTSB CEN26LA208Accident · Minor injuriesClass 3 · LimitedPreliminary reportAmerican AA-1A · Amery, WIOn May 30, 2026, about 1113 central daylight time, a Grumman AA-1A airplane, N6416L, was substantially damaged when it was involved in an accident near Amery, Wisconsin. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of…NTSB CEN25LA378Accident · No injuriesClass 4 · LimitedFinal reportCirrus Design SR22T · Racine, WIA total loss of engine power for reasons that could not be determined.NTSB CEN25LA053Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28R-200 · Boscobel, WIThe ice obstruction of the engine oil breather tube and alternate air outlet, which resulted in a failure of the crankcase oil seal and loss of engine oil. Contributing to the accident was the incorrect engine oil breather tube installed in the airplane by…NTSB CEN24LA356Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-12 · Cumberland, WIThe total loss of engine power due to carburetor icing and the pilot’s delayed use carburetor heat in weather conditions conducive to carburetor icing.NTSB CEN24LA286Accident · No injuriesClass 3 · LimitedFinal reportPiper PA46 · Radisson, WIThe non-certificated mechanic’s failure to properly tighten and torque the fuel system pressure test port cap, which resulted in a total loss of engine power, and a subsequent forced landing.NTSB CEN24FA024Accident · 1 fatalClass 3 · FieldFinal reportLancair 320 · Manitowoc, WIThe pilot’s decision to continue the visual flight rules flight into instrument meteorological conditions and failure to maintain clearance from trees and terrain during an unapproved instrument approach. Contributing to the accident was the pilot’s…NTSB CEN24LA012Accident · No injuriesClass 3 · LimitedFinal reportTvap 4 · Franksville, WIThe improper installation of the supplemental ignition system, which resulted in a total loss of engine power.NTSB CEN23LA329Accident · Minor injuriesClass 3 · LimitedFinal reportVarga 2150A · Green Lake, WIA loss of engine power due to fuel exhaustion, which resulted from the pilot’s inadequate preflight planning.NTSB CEN23LA322Accident · Serious injuriesClass 3 · LimitedFinal reportErcoupe 415-D · Waupun, WIThe pilot’s decision to take off without correcting a misinstalled fuel cap, which resulted in a loss of engine power due to fuel starvation caused by improper venting of the fuel system.NTSB CEN23FA239Accident · 2 fatalClass 3 · FieldFinal reportMooney M20R · Watertown, WIThe pilot’s loss of control due to spatial disorientation while operating in instrument meteorological conditions. Contributing to the accident was the pilot’s impairment from the prohibited substance; however, the extent of impairment could not be determined.NTSB CEN22LA353Accident · Serious injuriesClass 3 · LimitedFinal reportSonex Sonex · River Falls, WIThe pilot’s improper fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN22LA334Accident · Minor injuriesClass 3 · LimitedFinal reportVan's RV-10 · Beaver Dam, WIThe improperly secured spark plug boot that resulted in smoke in the cockpit and a subsequent off-airport landing.NTSB CEN22FA021Accident · 1 fatalClass 3 · FieldFinal reportBeech B36TC · Lena, WIImpairment and subsequent incapacitation of the pilot for reasons that could not be determined. The incapacitation resulted in a loss of engine power due to fuel starvation. Likely contributing was pilot hypoxia due to altitude exposure, possibly worsened by…NTSB CEN22FA013Accident · 2 fatalClass 3 · FieldFinal reportNew Glasair Glastar · Waukesha, WIThe noninstrument-rated pilot’s decision to depart and continue flight into instrument meteorological conditions, which resulted in a loss of control due to spatial disorientation.NTSB CEN21FA459Accident · 3 fatalClass 3 · FieldFinal reportRockwell International 690B · Hiles, WIThe pilot’s failure to maintain adequate airspeed, which caused the airplane to exceed its critical angle of attack and enter an inadvertent stall and spin.NTSB CEN21LA343Accident · Minor injuriesClass 3 · LimitedFinal reportStinson JR. SR · Ripon, WIA total loss of engine power due to fuel starvation.NTSB CEN21LA232Accident · No injuriesClass 3 · LimitedFinal reportCirrus Design SR22 · Whitewater, WIAn inflight instrument malfunction for reasons that could not be determined based on available information, which led to the pilot’s decision to activate the airframe parachute system.NTSB CEN21LA213Accident · Minor injuriesClass 3 · LimitedFinal reportBeech C23 · Merrill, WIThe loss of engine power due to tappet failure.NTSB CEN20CA275Accident · No injuriesClass 4 · Data collectionFinal reportCondor Condor · Freedom, WIThe pilot's failure to initiate a climb in a timely manner which resulted in contact with wires.NTSB CEN19LA290Accident · Serious injuriesClass 3 · LimitedFinal reportBeech V35 · Monroe, WIA total loss of engine power due to the failure of the Nos. 5 and 6 connecting rods from a lack of oil lubrication for reasons that could not be determined.NTSB CEN19CA239Accident · No injuriesData collectionFinal reportCessna 172 · Oshkosh, WIThe pilot's improper fuel planning and decision to not divert to a closer airport when the planned flight profile changed, which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN19LA243Accident · Serious injuriesClass 3 · LimitedFinal reportCulver LCA · Viroqua, WIA total loss of engine power due to fuel exhaustion.NTSB CEN19IA234Incident · No injuriesClass 3 · IncidentFinal reportMooney M20J · Oshkosh, WIThe failure of both pilots to remain clear of the other while flying in formation.NTSB CEN19LA188Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 560 · Janesville, WIThe passenger’s decision to unbuckle her restraints during an in-flight turbulence event, resulting in serious injury.NTSB GAA19CA338Accident · No injuriesData collectionFinal reportPzl-Swidnik PW-5 · Independence, WIThe separation of the canopy from the glider during an off-airport landing for reasons that could not be determined.NTSB GAA19CA245Accident · No injuriesData collectionFinal reportErcoupe 415 C · Rosendale, WIThe pilot's selection of unsuitable terrain for an off-airport precautionary landing, which resulted in impact with a fence and a nose-over.NTSB GAA19CA166Accident · Minor injuriesData collectionFinal reportCessna 177RG · Land O' Lakes, WIThe pilot's improper fuel planning, which resulted in fuel exhaustion and the subsequent total loss of engine power.NTSB CEN19LA060Accident · Serious injuriesClass 3 · LimitedFinal reportStinson 108 · Keshena, WIA total loss of engine power during cruise flight for undetermined reasons, which resulted in a forced landing and subsequent impact with trees.NTSB CEN19LA071Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA24 · Beechwood, WIA partial loss of engine power for reasons that could not be determined based on the available information.NTSB GAA19CA074Accident · No injuriesData collectionFinal reportCirrus SR22 · Sand Creek, WIThe mechanic's failure to properly secure the air reference line, which resulted in a loss of engine power.NTSB CEN19FA018Accident · 1 fatalField investigationFinal reportEurocopter AS350 · Odanah, WIThe pilot's loss of helicopter control for undetermined reasons.NTSB CEN18LA200Accident · No injuriesClass 3 · LimitedFinal reportIrlbeck Thomas H RV 8 · Somerset, WIA total loss of engine power due to damaged and disconnected electronic ignition wires from both the main and backup batteries, which resulted in a forced landing.NTSB CEN18LA159Accident · No injuriesLimited investigationFinal reportBeech A36 · Shullsburg, WIA catastrophic engine failure due to improper torque on the engine through-bolt nuts, which resulted in relative movement between the crankcase halves, damage to a main journal bearing, and a loss of oil lubrication.NTSB CEN18FA149Accident · 3 fatalField investigationFinal reportEurocopter AS 350 B2 · Hazelhurst, WIThe pilot's loss of helicopter control as a result of fatigue during cruise flight at night.NTSB CEN17LA344Accident · No injuriesLimited investigationFinal reportAviat A 1B · Prairie du Chien, WIThe fatigue failure of the aileron hinge bracket tubing for reasons that could not be determined based on the available evidence.NTSB CEN17FA248Accident · 6 fatalField investigationFinal reportCessna 421C · Catawba, WIA loss of control and subsequent in-flight breakup for reasons that could not be determined based on the available information.NTSB GAA17CA244Accident · No injuriesData collectionFinal reportBeech 99 · Waukesha, WIAn in-flight collision with a bird during the approach.NTSB CEN17LA076Accident · No injuriesLimited investigationFinal reportCessna 182T · Green Bay, WIThe airplane’s encounter with unforecast icing conditions, which led to structural icing that obscured the pilot’s vision, an aerodynamic stall, and a subsequent hard landing.NTSB CEN16LA309Accident · No injuriesLimited investigationFinal reportCessna 172K · Neenah, WIA loss of engine power due to oil starvation, which resulted from the pilot, who was not a certified airframe and powerplant mechanic, removing the vacuum pump from the engine, and his misconception that he could operate the airplane without the pump.NTSB CEN16LA273Accident · No injuriesLimited investigationFinal reportBrandt Sonex · Lodi, WIThe separated rocker arm assembly for undetermined reasons, which resulted in the partial loss of engine power and led to the landing gear collapsing during the subsequent forced landing.NTSB CEN16LA069Accident · Serious injuriesLimited investigationFinal reportCirrus Design SR22 · Watertown, WIThe pilot’s improper in-flight fuel management, which resulted in a total loss of engine power due to fuel starvation. Contributing to the accident was the pilot’s failure to switch fuel tanks after the engine lost power, and his delayed decision to activate…NTSB CEN15FA315Accident · 2 fatalField investigationFinal reportSanford Zenith CH 601XL · Bristol, WIThe pilot’s failure to maintain airspeed and airplane control following a loss of engine power during cruise flight. Contributing to the accident was the installation of ignition system coils that were not engine-manufacturer replacement parts, which…NTSB CEN15LA217Accident · Minor injuriesLimited investigationFinal reportCessna 150F · Neillsville, WIA partial loss of engine power for reasons that could not be determined because a postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB GAA15CA009Accident · No injuriesData collectionFinal reportBeech 76 · Juda, WIThe pilot's improper fuel planning, which resulted in fuel exhaustion, and a loss of engine power enroute.NTSB CEN15FA119Accident · 1 fatalField investigationFinal reportCessna 182L · Owen, WIThe flight instructor's decision to initiate flight into forecasted icing conditions in an airplane that was not certified or equipped for flight into icing conditions, which resulted in significant structural ice accumulation to the extent that the airplane…NTSB CEN15FA027Accident · 1 fatalField investigationFinal reportCessna T210M · Bay City, WIThe non-instrument rated pilot’s continued visual flight into instrument flight rules conditions, which resulted in an in-flight loss of control.