# NTSB CHI90LA207: Aircoupe F-1, N93905, Washington, MO, July 23, 1990 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: July 22, 1990, 19:00 local (Jul 23, 1990, 00:00 UTC) - Place: Washington, MO - Coordinates: 38.550098, -91.009994 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=38.5501&lon=-91.0100&mi=10 - Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report December 14, 1992 - Report: Approved by Office Director - NTSB case key (mKey): 14732 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI90LA207 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/14732/pdf - Page: https://openairdocs.org/ntsb/CHI90LA207 ## Probable cause (aircraft 2) FAILURE OF THE OTHER AIRCRAFT'S PILOT TO MAINTAIN AN ADEQUATE VISUAL LOOKOUT PRIOR TO TURNING TO FINAL. A FACTOR IN THE ACCIDENT WAS THE RESTRICTED VISUAL LOOKOUT FOR THIS AIRCRAFT'S PILOT. ## Probable cause (aircraft 1) THE PILOT'S FAILURE TO MAINTAIN AN ADEQUATE VISUAL LOOKOUT PRIOR TO TURNING TO FINAL. FACTORS IN THE ACCIDENT WERE THE VISUAL RESTRICTIONS INHERENT IN LOW AND HIGH WING AIRCRAFT. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Midair collision, approach - vfr pattern - final approach - comm/nav equipment,transceiver - not installed - visual lookout - inadequate, pilot in command (cause) - visual lookout - restricted, pilot of other aircraft (contributing factor) - Midair collision, approach - vfr pattern - final approach - visual lookout - inadequate, pilot of other aircraft (cause) - visual lookout - restricted, pilot in command (contributing factor) ## Analysis (aircraft 2) A HIGH WING MONOPLANE WAS ON FINAL TO RUNWAY 34 WHEN IT WAS STRUCK BY A LOW WING MONOPLANE WHICH HAD ALSO TURNED TO FINAL. THE LOW WING AIRCRAFT'S NOSEWHEEL STRUCK THE UPPER COCKPIT AND RIGHT WING ROOT AREA OF THE HIGH WING AIRCRAFT. NEITHER PILOT REPORTED SEEING THE OTHER BEFORE THE COLLISION AND NO EVASIVE ACTION WAS TAKEN PRIOR TO COLLISION. ## Analysis (aircraft 1) A HIGH WING MONOPLANE WAS ON FINAL TO RUNWAY 34 WHEN IT WAS STRUCK BY A LOW WING MONOPLANE WHICH HAD ALSO TURNED TO FINAL. THE LOW WING AIRCRAFT'S NOSEWHEEL STRUCK THE UPPER COCKPIT AND RIGHT WING ROOT AREA OF THE HIGH WING AIRCRAFT. NEITHER PILOT REPORTED SEEING THE OTHER BEFORE THE COLLISION AND NO EVASIVE ACTION WAS TAKEN PRIOR TO COLLISION. ## Aircraft 1 - Registration: [N93905](https://openairdocs.org/aircraft/N93905), registered now, S/N 1228, built 1946 (OpenAirDocs) - Reported make and model: AIRCOUPE F-1 - Registry model: [Ercoupe 415-C](https://openairdocs.org/model/ercoupe-415-c) (registry code 0420322) (OpenAirDocs) - Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 1228 - Engines: CONTINENTAL C-65-12 65 horsepower reciprocating - Damage: Minor damage - Flight: Personal, Part 91 - Operator: Cochran Aviation - Airworthiness certificate: Standard, Normal - Airport: MO49, Washington Mem, runway 34, 3,300 × 50 ft, asphalt ## Aircraft 2 - Registration: [N1512Q](https://openairdocs.org/aircraft/N1512Q), registered now, S/N 15072812, built 1971 (OpenAirDocs) - Reported make and model: CESSNA 150 - Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (registry code 2071826) (OpenAirDocs) - Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 15072812 - Engines: CONTINENTAL O-200-A 100 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Operator: Thomas S. Maliwowski - Airworthiness certificate: Standard, Normal - Departed: MO49 - Airport: MO49, Washington Mem, runway 34, 300 × 50 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N93905; age 55; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; flight hours: 505 total, 50 in this make and model, 90 in the last 90 days, 45 in the last 30 days, 3 in the last 24 hours - Pilot, aircraft N1512Q; age 36; student; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; flight hours: 27 total, 25 in this make and model ## Weather - Conditions: Visual (VMC), Dusk - Wind: 225° at 8 knots - Visibility: 7 statute miles - Lowest ceiling: 5,000 ft broken - 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 19900722065811A](https://openairdocs.org/incident/19900722065811A), Jul 22, 1990: Univar F1, Washington, MO, Minor damage. Ercoupe on final struck top of a 150 N1512Q that was below and also landing. - [Accident 19900722065812A](https://openairdocs.org/incident/19900722065812A), Jul 22, 1990: Cessna 150L, Washington, MO, Substantial damage. On final was struck from above by landing Ercoupe N93905. Both landed safely. 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.