# NTSB CHI95LA252: Stevens Acro II, N40LF, Oshkosh, WI, July 31, 1995 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: July 31, 1995, 09:30 local (14:30 UTC) - Place: Oshkosh, WI - Coordinates: 44.059192, -88.540779 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=44.0592&lon=-88.5408&mi=10 - Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 5 uninjured - Status: Completed, report May 17, 1996 - Report: Approved by Office Director - NTSB case key (mKey): 9971 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI95LA252 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/9971/pdf - Page: https://openairdocs.org/ntsb/CHI95LA252 ## Probable cause (aircraft 2) the failure of the pilot of the Acro II, N40LF, to maintain clearance from the Cessna 172, N5542R. ## Probable cause (aircraft 1) the failure of the pilot of the Acro II, N40LF, to maintain clearance from the Cessna 172, N5542R. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Collision between aircraft (other than midair), taxi - from landing - clearance - not maintained, pilot in command (cause) - Collision between aircraft (other than midair), taxi - from landing - clearance - not maintained, pilot of other aircraft (cause) ## Analysis (aircraft 2) The pilot of the Acro, N40LF, reported that at the request of the control tower he landed mid-point on the runway, and behind the Cessna 172, N5542R. During the ground roll, the Acro impacted the right wing of the Cessna. The pilot of the Acro stated 'forward visibility is very restrictive in this model with the tail down.' The pilot of the Cessna reported that he was taxiing on the runway after landing. He was about to make a left turn off the runway when the Acro impacted his airplane's right wing. ## Analysis (aircraft 1) The pilot of the Acro, N40LF, reported that at the request of the control tower he landed mid-point on the runway, and behind the Cessna 172, N5542R. During the ground roll, the Acro impacted the right wing of the Cessna. The pilot of the Acro stated 'forward visibility is very restrictive in this model with the tail down.' The pilot of the Cessna reported that he was taxiing on the runway after landing. He was about to make a left turn off the runway when the Acro impacted his airplane's right wing. ## Factual narrative (aircraft 2) See narrative for CHI95-L-A252A. ## Factual narrative (aircraft 1) On July 31, 1995, at 0930 central daylight time (cdt), an amateur built Acro II, N40LF, taxied into the wing of a Cessna 172, N5542R, while both were taxiing on runway 27 at Oshkosh, Wisconsin. The Acro II sustained minor damage, while the Cessna received substantial damage. The pilot of the Acro II, the pilot of the Cessna, and three passengers in the Cessna reported no injuries. The accident occurred in visual meteorological conditions. Neither airplane had filed a flight plan. The Acro II had departed Dodge County Airport, Wisconsin at 0900 cdt. The Cessna had departed Dakota, Illinois, at 0900 cdt. The pilot of the Acro, N40LF, reported he landed behind the Cessna 172, N5542R, on runway 27 (6,180' x 150'). He stated that at the request of the control tower, he landed mid-point on the runway. During the ground roll, the Acro impacted the right wing of the Cessna. The pilot stated, "forward visibility is very restrictive in this model with the tail down." The pilot of the Cessna reported he was taxiing the airplane on runway 27 after landing. He stated that he was about to make a left turn off the runway when the Acro impacted his airplane's right wing. ## Aircraft 1 - Registration: [N40LF](https://openairdocs.org/deregistered/N40LF-2008-06-19), registration cancelled 2008-06-19, S/N 3, built 1985 (OpenAirDocs) - Reported make and model: STEVENS ACRO II - Registry model: [Farnsworth Lemoyne E ACRO II](https://openairdocs.org/model/farnsworth-lemoyne-e-acro-ii) (registry code 05646BS) (OpenAirDocs) - Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs) - Category: Airplane, amateur-built - Serial number: 3 - Airframe hours: 335 - Engines: Lycoming O-320 160 horsepower reciprocating - Damage: Minor damage - Flight: Personal, Part 91 - Registered owner: Lemoyne E. Farnsworth - Airworthiness certificate: Special, Experimental (Special) - Last inspection: Annual, March 1, 1995 - Departed: UNU, DODGE COUNTY, WI - Destination: OSH - Airport: OSH, Wittman Regional, runway 27, 6,180 × 150 ft, concrete ## Aircraft 2 - Registration: [N5542R](https://openairdocs.org/deregistered/N5542R-1996-10-22), registration cancelled 1996-10-22, S/N 17253126 (OpenAirDocs) - Reported make and model: Cessna 172F - Registry model: [Cessna 172F](https://openairdocs.org/model/cessna-172f) (registry code 2072414) (OpenAirDocs) - Category: Airplane - Serial number: 17253126 - Airframe hours: 4844 - Engines: Continental O-300-D 145 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Registered owner: Ronald K. Dobnink - Airworthiness certificate: Standard, Normal - Last inspection: Annual, February 7, 1995, 103 hours before - Departed: C86, DAKOTA, IL - Destination: OSH - Airport: OSH, Wittman Regional, runway 27, 6,180 × 150 ft, concrete ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N40LF; age 71; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: rear; flight hours: 2,100 total, 335 in this make and model, 2,100 as pilot in command, 20 in the last 90 days, 8 in the last 30 days - Pilot, aircraft N5542R; age 35; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 190 total, 90 in this make and model, 150 as pilot in command, 6 in the last 90 days, 6 in the last 30 days, 2 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 230° at 10 knots - Visibility: 4 statute miles - Lowest ceiling: none - Temperature: 84 °F, dew point 73 °F - Altimeter: 30.00 inHg - Observed at: OSH ## FAA reports on this event (2) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 19950731020901A](https://openairdocs.org/incident/19950731020901A), Jul 31, 1995: Amtr ACROX, Oshkosh, WI, Minor damage. At ATC request landed behind aircraft on rollout, wing hit back taxiing plane on runway. Acro blind forward. (-23) prior to touching down on runway 27, the… - [Accident 19950731020902A](https://openairdocs.org/incident/19950731020902A), Jul 31, 1995: Cessna 172F, Oshkosh, WI, Substantial damage. Tower asked plane to land mid runway behind Cessna. On ground roll impacted Cessna right wing. (-23) aircraft just landed and was getting ready to taxi off the… From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- 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.