# NTSB investigations, WI: In flight collision with object NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. Page 1 of 3 · 105 cases ## Latest cases - [NTSB CHI07FA243](https://openairdocs.org/ntsb/CHI07FA243.md): Beck P-51A · Oshkosh, WI · Accident · 1 fatal · Field investigation · Final report · Jul 27, 2007 · N8082U · 2 aircraft · Destroyed > The P-51A pilot's inadequate visual lookout and his failure to maintain clearance from the P-51D. Contributing factors to the accident included the restricted forward visibility of the P-51A, the air race team representative's inadequate flight brief, the… - [NTSB CHI06CA246](https://openairdocs.org/ntsb/CHI06CA246.md): Aviat A-1B · Minocqua, WI · Accident · No injuries · Data collection · Final report · Aug 26, 2006 · N314MA · Substantial damage > The inadvertent collision with power lines. A factor associated with the accident was the water which blended in with the power lines resulting in the pilot's inability to see them prior to contact. - [NTSB CHI06CA171](https://openairdocs.org/ntsb/CHI06CA171.md): Croke Zenith CH 701 · Brussels, WI · Accident · Serious injuries · Data collection · Final report · Jun 27, 2006 · N701US · Substantial damage > The pilot not maintaining clearance from the trees during final approach. The trees located along the final approach course were a factor in the accident. - [NTSB CHI06CA172](https://openairdocs.org/ntsb/CHI06CA172.md): Piper PA-18-150 · Minong, WI · Accident · Minor injuries · Data collection · Final report · Jun 26, 2006 · N82223 · Substantial damage > Restriction of the elevator control system due to the camera placed in the seat back pocket and the inadvertent stall/mush condition encountered during the go-around. The trees impacted after the stall were a contributing factor. - [NTSB CHI06LA163](https://openairdocs.org/ntsb/CHI06LA163.md): Varga 2150A · Columbus, WI · Accident · 1 fatal · Limited investigation · Final report · Jun 25, 2006 · N8267J · Destroyed > The pilot's failure to maintain adequate clearance from the trees during the attempted low altitude pass along the river. Contributing factors were the intentional low altitude flight maneuver, the pilot's improper decision to attempt that maneuver, and his… - [NTSB CHI06CA166](https://openairdocs.org/ntsb/CHI06CA166.md): Piper PA-28-140 · Walworth, WI · Accident · No injuries · Data collection · Final report · Jun 25, 2006 · N1910T · Substantial damage > The pilot's delay in initiating a go-around and the resulting failure to maintain clearance to the vehicle on the adjacent roadway. The short length of the runway selected by the pilot and the vehicle were contributing factors. - [NTSB CHI05FA274](https://openairdocs.org/ntsb/CHI05FA274.md): Robinson R44 · Drummond, WI · Accident · 3 fatal · Field investigation · Final report · Sep 24, 2005 · N9158U · Substantial damage > Clearance not obtained/maintained by the pilot during an unknown phase of flight. Contributing factors were the improper use of procedures by the pilot, the inadequate surveillance of the operation by company/management, and the wire. - [NTSB CHI05LA130](https://openairdocs.org/ntsb/CHI05LA130.md): Pilatus PC-6 · Sturtevant, WI · Accident · Minor injuries · Limited investigation · Final report · May 26, 2005 · N346F · Substantial damage > Failure of the jump plane pilot to maintain clearance from the parachutist descent area/drop zone until assured that all jumpers had landed, and the parachutist's failure to maintain an adequate visual lookout for the jump plane during all phases of the jump.… - [NTSB CHI05LA086](https://openairdocs.org/ntsb/CHI05LA086.md): Piper PA-28-151 · Waunakee, WI · Accident · No injuries · Limited investigation · Final report · Apr 3, 2005 · N56715 · Destroyed > The pilot's inadequate preflight planning and the delay in aborting the landing which resulted in the subsequent insufficient airspeed. Factors associated with the accident were the night light conditions, the fence, and the pole which the airplane contacted. - [NTSB CHI04LA243](https://openairdocs.org/ntsb/CHI04LA243.md): Boeing A75 · Wisconsin Rapid, WI · Accident · 1 fatal · Limited investigation · Final report · Aug 28, 2004 · N86600 · Substantial damage > The pilot's improper in-flight decision when he decided to fly at a low altitude over the river and failed to maintain clearance from the power lines. A factor was the wires. - [NTSB CHI04FA214](https://openairdocs.org/ntsb/CHI04FA214.md): Eurocopter France EC130 B4 · Prairie du Sac, WI · Accident · 2 fatal · Field investigation · Final report · Aug 7, 2004 · N450CM · Destroyed > The pilot's intentional low-level flight toward the lake and his failure to maintain clearance from the static wire on power transmission lines. Contributing factors were the separation of the Fenestron (tail rotor) assembly from the tail boom as a result of… - [NTSB CHI04LA079](https://openairdocs.org/ntsb/CHI04LA079.md): Robinson R44 · Burlington, WI · Accident · No injuries · Limited investigation · Final report · Feb 28, 2004 · N7184G · Substantial damage > The pilot's inadequate visual lookout and his failure to obtain/maintain clearance from the transmission wire during the takeoff. Factors contributing to the accident were the transmission wire and the pole. - [NTSB CHI03LA173](https://openairdocs.org/ntsb/CHI03LA173.md): Aerostar S-55A · Monroe, WI · Accident · Serious injuries · Limited investigation · Final report · Jun 21, 2003 · N5253Y · No damage > The pilot's failure to maintain clearance from the transmission wires during landing and his decision to jump from the balloon. A factor to the accident was the power transmission lines. - [NTSB CHI03FA018](https://openairdocs.org/ntsb/CHI03FA018.md): Piper PA-24 · Fond du Lac, WI · Accident · 2 fatal · Field investigation · Final report · Nov 4, 2002 · N6606P · Destroyed > The pilot failed to maintain obstacle clearance from the power lines while on a night VFR approach. Factors to the accident included the dark night and the power lines. - [NTSB CHI02LA290](https://openairdocs.org/ntsb/CHI02LA290.md): Christen Industries A-1 · Chetek, WI · Accident · No injuries · Limited investigation · Final report · Sep 15, 2002 · N9598C · Substantial damage > The pilot's failure to maintain directional control of the airplane, and his failure to maintain clearance from the utility pole. A factor was the utility pole. - [NTSB CHI02LA229](https://openairdocs.org/ntsb/CHI02LA229.md): Piper PA22-135 · Lyons, WI · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2002 · N3522A · Substantial damage > Failure of the pilot to maintain a sufficient rate-of-climb and to obtain a safe altitude/clearance from the tree line at end of the runway. Contributing factors were the uphill runway gradient and the trees. - [NTSB CHI02LA146](https://openairdocs.org/ntsb/CHI02LA146.md): Cessna 182J · Galesville, WI · Accident · No injuries · Limited investigation · Final report · May 31, 2002 · N3027F · Substantial damage > The pilot failed to maintain clearance with the wires while on final approach. Factors associated with the accident were the low altitude, the downdraft, and the wires which the airplane contacted. - [NTSB CHI02FA049](https://openairdocs.org/ntsb/CHI02FA049.md): Robinson R44 · Waukesha, WI · Accident · 1 fatal · Field investigation · Final report · Dec 13, 2001 · N7007F · Destroyed > The pilot's continued flight into adverse weather and not maintaining altitude/clearance from the static line during cruise flight. Factors were the static wire, the darkness of night, the low ceiling, and the vehicle. - [NTSB CHI01LA288](https://openairdocs.org/ntsb/CHI01LA288.md): Cessna 188 · Almond, WI · Accident · No injuries · Limited investigation · Final report · Aug 22, 2001 · N91138 · Substantial damage > the pilot failed to maintain clearance from the corn crop. Additional factors were the inoperative spray pump, the corn crop, and the pilot's diverted attention. - [NTSB CHI01LA243](https://openairdocs.org/ntsb/CHI01LA243.md): Bell 47G-2 · Wheeler, WI · Accident · 1 fatal · Limited investigation · Final report · Jul 26, 2001 · N986B · Substantial damage > The pilot not maintaining altitude/clearance from the power transmission line. A factor to the accident was the power transmission line. - [NTSB CHI01FA218](https://openairdocs.org/ntsb/CHI01FA218.md): Cessna 310R · Oak Creek, WI · Accident · 1 fatal · Field investigation · Final report · Jul 18, 2001 · N1448Z · Destroyed > The pilot not maintaining clearance from objects during an ILS approach in low night IFR conditions and his descent below decision height. Factors were the dark night, mist, low ceiling, and the trees west of the approach. - [NTSB CHI01LA200](https://openairdocs.org/ntsb/CHI01LA200.md): Cessna 175 · Tomahawk, WI · Accident · No injuries · Limited investigation · Final report · Jul 8, 2001 · N103DL · Substantial damage > The inadequate preflight preparation that did not include calculating the density altitude and the pilot not maintaining clearance from the second row of trees on initial climb. Factors include those trees and the high density altitude present at the time of… - [NTSB CHI01LA171](https://openairdocs.org/ntsb/CHI01LA171.md): Larson Murphy Rebel · Stratford, WI · Accident · No injuries · Limited investigation · Final report · Jun 17, 2001 · N622GL · Substantial damage > The pilot's failure to abort the takeoff from the farm field. Factors were the tall grass, the rising terrain, the fence, and the inadequate planning/decision by the pilot. - [NTSB CHI01FA089](https://openairdocs.org/ntsb/CHI01FA089.md): Piper PA-28R-201 · Webb Lake, WI · Accident · 4 fatal · Field investigation · Final report · Feb 15, 2001 · N120CC · Destroyed > the pilot not maintaining altitude/clearance from the trees during takeoff. Factors were the trees, transmission wire, and the dark night. - [NTSB CHI00FA284](https://openairdocs.org/ntsb/CHI00FA284.md): Beech K35 · Manitowish Watr, WI · Accident · 2 fatal · Field investigation · Final report · Sep 2, 2000 · N3076C · Destroyed > the pilot not maintaining altitude/clearance from the trees during an approach on a dark, low overcast night, the pilot's improper use of an IFR procedure without clearance, and the pilot's improper in-flight decision to attempt an IFR approach without… - [NTSB CHI00LA021](https://openairdocs.org/ntsb/CHI00LA021.md): Cessna 172N · Crandon, WI · Accident · No injuries · Limited investigation · Final report · Oct 25, 1999 · N4776E · Substantial damage > the deer that ran out onto the runway and collided with the airplane. A factor associated with the accident was the night lighting conditions. - [NTSB CHI99LA248](https://openairdocs.org/ntsb/CHI99LA248.md): Robinson R22 · Spring Green, WI · Accident · No injuries · Limited investigation · Final report · Jul 23, 1999 · N2313D · Substantial damage > the pilots failure to maintain clearance with the wire. A factor was the wire. - [NTSB CHI99FA222](https://openairdocs.org/ntsb/CHI99FA222.md): Cessna 182E · Menominee Falls, WI · Accident · 1 fatal · Field investigation · Final report · Jul 9, 1999 · N2899Y · Destroyed > the pilots failure to maintain adequate clearance. A factor was the static wire. - [NTSB CHI99LA085](https://openairdocs.org/ntsb/CHI99LA085.md): Beech 1900D · Milwaukee, WI · Accident · No injuries · Limited investigation · Final report · Feb 8, 1999 · N148SK · Substantial damage > the in-flight collision with a bird. - [NTSB CHI99FA042](https://openairdocs.org/ntsb/CHI99FA042.md): Cessna 172F · Coleman, WI · Accident · 2 fatal · Field investigation · Final report · Nov 29, 1998 · N72RE · Destroyed > pilot's failure to maintain clearance from the trees and his intentional flight into IMC conditions. Factors contributing to this accident were the pilot's lack of instrument certification, his becoming lost in the poor weather, his inadequate preparation for… - [NTSB CHI98LA314](https://openairdocs.org/ntsb/CHI98LA314.md): Valentin Taifun 17E · Lake Geneva, WI · Accident · No injuries · Limited investigation · Final report · Aug 15, 1998 · N17NT · Substantial damage > the pilot's failure to maintain directional control and obtain proper climb rate during initial climb after takeoff. A factor was trees. - [NTSB CHI98FA344](https://openairdocs.org/ntsb/CHI98FA344.md): Cessna A185F · Phillips, WI · Accident · 2 fatal · Field investigation · Final report · Aug 4, 1998 · N888KS · Destroyed > The pilot's failure to maintain adequate altitude/clearance with trees. Contributing factors were fog, rain showers, and the trees. - [NTSB CHI98FA288](https://openairdocs.org/ntsb/CHI98FA288.md): Hispano Aviacion A10B-37 · Oshkosh, WI · Accident · 1 fatal · Field investigation · Final report · Aug 2, 1998 · N2741P · Destroyed > the pilot's failure to maintain adequate altitude which resulted in in-flight collision with trees and subsequent compressor stall for undetermined reasons. - [NTSB CHI98FA287](https://openairdocs.org/ntsb/CHI98FA287.md): Navion A · Coloma, WI · Accident · 1 fatal · Field investigation · Final report · Aug 1, 1998 · N8991H · Destroyed > Failure of the pilot to maintain proper altitude, and his failure to maintain adequate visual lookout to see and avoid obstructions. The transmission wire was a contributing factor. - [NTSB CHI98LA134](https://openairdocs.org/ntsb/CHI98LA134.md): Cessna 172 · Eagle River, WI · Accident · No injuries · Limited investigation · Final report · Apr 25, 1998 · N79006 · Substantial damage > the pilot failed to compensate for the wind conditions, improperly executed a go-around when he raised the flaps, and failed to maintain obstacle clearance with the trees. - [NTSB CHI98FA123](https://openairdocs.org/ntsb/CHI98FA123.md): Cessna 180J · Ashland, WI · Accident · 1 fatal · Field investigation · Final report · Apr 15, 1998 · N828CE · Destroyed > the pilot failing to maintain separation from the trees. Factors contributing to this accident were the trees and the pilot being too low in altitude. - [NTSB CHI98LA061](https://openairdocs.org/ntsb/CHI98LA061.md): Piper PA-28-140 · Sturtevant, WI · Accident · 1 fatal · Limited investigation · Final report · Dec 13, 1997 · N5454S · Destroyed > The pilot's misjudgment of altitude/distance and her failure to maintain adequate visual lookout. Also causal was the pilot's failure to maintain adequate obstacle clearance. A contributing factor was the pilot experiencing a visual illusion. - [NTSB CHI97LA263](https://openairdocs.org/ntsb/CHI97LA263.md): Grumman G-164B · Burlington, WI · Accident · No injuries · Limited investigation · Final report · Aug 16, 1997 · N7016Y · Substantial damage > the deer which contacted the airplane. - [NTSB CHI97LA251](https://openairdocs.org/ntsb/CHI97LA251.md): Larsen T-BIRD II · Oshkosh, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 1997 · N41873 · Substantial damage > the pilot's failure to maintain flying speed and loss of control resulting in a stall. Factors were the tree and the fence. - [NTSB CHI97LA230](https://openairdocs.org/ntsb/CHI97LA230.md): Jenkins RV-6 · Middleton, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 1997 · N126JM · Substantial damage > the pilot was too low on final approach and hit the high vegetation. - [NTSB CHI97LA005](https://openairdocs.org/ntsb/CHI97LA005.md): Beech 23 · Neenah, WI · Accident · Minor injuries · Limited investigation · Final report · Oct 8, 1996 · N2398Z · Destroyed > the local terrain conditions around the airport. A factor was the inadequate runway safety area. - [NTSB CHI96LA288](https://openairdocs.org/ntsb/CHI96LA288.md): Beech 23 · Wilmot, WI · Accident · No injuries · Limited investigation · Final report · Aug 10, 1996 · N1823Q · Destroyed > improper planning/decision by the flight instructor (CFI) by failing to ensure that the airplane would be able to clear brush and trees near the departure end of the runway. - [NTSB CHI96LA105](https://openairdocs.org/ntsb/CHI96LA105.md): Cessna 172 · Camp Lake, WI · Accident · Serious injuries · Limited investigation · Final report · Mar 12, 1996 · N2966U · Substantial damage > Failure of the pilot to maintain clearance from trees that were located beside the runway. - [NTSB CHI95LA324](https://openairdocs.org/ntsb/CHI95LA324.md): Cessna 177 · Camp Lake, WI · Accident · No injuries · Limited investigation · Final report · Sep 16, 1995 · N3497T · Substantial damage > the pilot's inadequate compensation for wind conditions, and failure to maintain altitude/clearance from the power line, while on short final approach. The downdraft was a related factor. - [NTSB CHI95LA141](https://openairdocs.org/ntsb/CHI95LA141.md): Sorrel SNS-4 · Menomonee Falls, WI · Accident · Minor injuries · Limited investigation · Final report · May 1, 1995 · N2026 · Substantial damage > the pilot's failure to maintain clearance with transmission wires. A factor in the accident was the transmission wires. - [NTSB CHI95LA033](https://openairdocs.org/ntsb/CHI95LA033.md): Cessna 150 · Tomahawk, WI · Accident · No injuries · Limited investigation · Final report · Nov 9, 1994 · N9143U · Substantial damage > the collision with deer during landing - flare/touchdown. - [NTSB CHI94LA317](https://openairdocs.org/ntsb/CHI94LA317.md): Piper PA-28-140 · Princeton, WI · Accident · Minor injuries · Limited investigation · Final report · Sep 8, 1994 · N4188Q · Substantial damage > the pilot's premature liftoff. - [NTSB CHI94LA179](https://openairdocs.org/ntsb/CHI94LA179.md): Piper PA-28-140 · Lodi, WI · Accident · Serious injuries · Limited investigation · Final report · May 29, 1994 · N55835 · Substantial damage > the pilot's failure to maintain direction control which resulted from a inadequate compensation for the crosswind conditions. Factors related to the accident were the pilot's diverted attention, the crosswind, the trees which were contacted. - [NTSB CHI94LA158](https://openairdocs.org/ntsb/CHI94LA158.md): Aeronca 11AC · Montello, WI · Accident · Minor injuries · Limited investigation · Final report · May 15, 1994 · N9462E · Substantial damage > the pilot's inadequate compensation for the wind conditions. A factor related to the accident was the crosswind. - [NTSB CHI94FA010](https://openairdocs.org/ntsb/CHI94FA010.md): Cessna R182 · Herbster, WI · Accident · 2 fatal · Field investigation · Final report · Oct 11, 1993 · N6422S · Destroyed > Failure of the pilot to maintain clearance from trees. Next page: https://openairdocs.org/ntsb.md?state=WI&occurrence=220&page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 220) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=220&state=WI --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.