# NTSB CHI90LA201: Bryant Rowland T-18, N66BR, Fisk, WI, July 30, 1990 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: July 30, 1990, 08:47 local (13:47 UTC) - Place: Fisk, WI - Coordinates: 44.060214, -88.539955 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=44.0602&lon=-88.5400&mi=10 - Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 5 uninjured - Status: Completed, report November 23, 1992 - Report: Approved by Office Director - NTSB case key (mKey): 14725 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI90LA201 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/14725/pdf - Page: https://openairdocs.org/ntsb/CHI90LA201 ## Probable cause (aircraft 2) THE PILOT-IN-COMMAND OF THE THORP T-18'S FAILURE TO MAINTAIN A SUFFICIENT VISUAL LOOKOUT TO AVOID A COLLISION WITH THE CESSNA 170A. CONTRIBUTING WAS THE LIMITED VISIBILITY FORWARD AND TO THE RIGHT IN THE THORP T-18. ## Probable cause (aircraft 1) THE PILOT-IN-COMMAND OF THE THORP T-18'S FAILURE TO MAINTAIN A SUFFICIENT VISUAL LOOKOUT TO AVOID A COLLISION WITH THE CESSNA 170A. CONTRIBUTING WAS THE LIMITED VISIBILITY FORWARD AND TO THE RIGHT IN THE THORP T-18. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Midair collision, descent - normal - visual lookout - inadequate, pilot in command (cause) - Midair collision, cruise - normal - visual lookout - not possible, pilot in command (contributing factor) ## Analysis (aircraft 2) WHILE BOTH AIRCRAFT WERE INBOUND FOR LANDING AT APPROXIMATELY 1,800 FEET MSL, THEY EXPERIENCED A MIDAIR COLLISION. BOTH AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE, HOWEVER NEITHER PILOT NOR ANY PASSENGER REPORTED INJURIES. ONE AIRCRAFT MADE AN EMERGENCY LANDING IN A FIELD AND THE OTHER AIRCRAFT WAS ABLE TO CONTINUE TO THE AIRPORT OF INTENDED LANDING. PHYSICAL EVIDENCE INDICATES THAT THE LAW WING AIRCRAFT OVERTOOK THE HIGH WING AIRCRAFT FROM BEHIND ON NEAR IDENTICAL HEADINGS. A WITNESS IN ANOTHER AIRCRAFT FOLLOWING THE HIGH WING AIRCRAFT INDICATED THAT THE LOW WING AIRCRAFT WAS DESCENDING AT THE TIME OF THE COLLISION. ## Analysis (aircraft 1) WHILE BOTH AIRCRAFT WERE INBOUND FOR LANDING AT APPROXIMATELY 1,800 FEET MSL, THEY EXPERIENCED A MIDAIR COLLISION. BOTH AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE, HOWEVER NEITHER PILOT NOR ANY PASSENGER REPORTED INJURIES. ONE AIRCRAFT MADE AN EMERGENCY LANDING IN A FIELD AND THE OTHER AIRCRAFT WAS ABLE TO CONTINUE TO THE AIRPORT OF INTENDED LANDING. PHYSICAL EVIDENCE INDICATES THAT THE LOW WING AIRCRAFT OVERTOOK THE HIGH WING AIRCRAFT FROM BEHIND ON NEAR IDENTICAL HEADINGS. A WITNESS IN ANOTHER AIRCRAFT FOLLOWING THE HIGH WING AIRCRAFT INDICATED THAT THE LOW WING AIRCRAFT WAS DESCENDING AT THE TIME OF THE COLLISION. ## Aircraft 1 - Registration: [N66BR](https://openairdocs.org/aircraft/N66BR), registered now, S/N 983, built 1978 (OpenAirDocs) - Reported make and model: BRYANT ROWLAND T-18 - Registry model: [Rowlandd THORP T-18](https://openairdocs.org/model/rowlandd-thorp-t-18) (registry code 8951091) (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: 1 - Airframe hours: 752 - Engines: LYCOMING O-320-E3D 150 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Registered owner: Rowland, Bryant - Airworthiness certificate: Special, Experimental (Special) - Last inspection: Annual, June 20, 1990, 15 hours before - Departed: JVL, JANESVILLE, WI - Destination: OSH, OSHKOSH, WI ## Aircraft 2 - Registration: [N1702D](https://openairdocs.org/deregistered/N1702D-2010-04-12), registration cancelled 2010-04-12, S/N 20145, built 1951 (OpenAirDocs) - Reported make and model: CESSNA 170A - Registry model: [Cessna 170A](https://openairdocs.org/model/cessna-170a) (registry code 2072304) (OpenAirDocs) - Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 20145 - Airframe hours: 3804 - Engines: Teledyne Cont C-145-2 145 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Registered owner: Hermann Flying Club - Airworthiness certificate: Standard, Normal - Last inspection: Annual, November 3, 1989, 159 hours before - Departed: 55C, DODGEVILLE, WI - Destination: OSH, OSHKOSH, WI ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N66BR; age 59; flight instructor, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 5,908 total, 765 in this make and model, 5,426 as pilot in command, 27 in the last 90 days, 12 in the last 30 days, 4 in the last 24 hours - Pilot, aircraft N1702D; age 62; airline transport, flight instructor, commercial; airplane ratings: single-engine sea, multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 20,000 total, 300 in this make and model ## Weather - Conditions: Visual (VMC), Not reported - Lowest ceiling: none - Temperature: -0 °F, dew point -0 °F ## 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 19900730029201A](https://openairdocs.org/incident/19900730029201A), Jul 30, 1990: Amtrth THORPT18, Fisk, WI, Substantial damage. Overtook and descended into N1702D. During traffic lineup to land at oskosh. Landed off airport. Other landed osh. - [Accident 19900730029202A](https://openairdocs.org/incident/19900730029202A), Jul 30, 1990: Cessna 170A, Fisk, WI, Substantial damage. Was over taken and struck by N66BR during long line traffic into oshkosh. Landed at osh. Other landed safe in field 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.