# NTSB CHI06CA056: Champion 7EC, N7592B, Platteville, WI, December 23, 2005 - Type: NTSB accident investigation - Classification: Accident · Minor injuries · Data collection · Final report - Date: December 23, 2005, 14:30 local (20:30 UTC) - Place: Platteville, WI - Coordinates: 42.689445, -90.444442 - Nearby events: https://openairdocs.org/map.md?lat=42.6894&lon=-90.4444&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Highest injury: Minor injuries - Injuries: 1 minor - Status: Completed, report March 28, 2006 - Report: Approved by Office Director - Parties: Milwaukee, WI, FSDO - NTSB case key (mKey): 63051 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI06CA056 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/63051/pdf - Page: https://openairdocs.org/ntsb/CHI06CA056 ## Probable cause The student pilot not maintaining directional control during the landing. A factor was the snow bank the pilot encountered. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - On ground/water encounter with terrain/water, landing - terrain condition - ground - directional control - not maintained, pilot in command (cause) - terrain condition - snowbank (contributing factor) - Nose over, landing ## Analysis The tailwheel airplane sustained substantial damage on impact with a snow bank and subsequently nosed over when the airplane departed the runway during landing. The student pilot stated, "Touched down, plane did a little hop and then landed straight. Plane began to swerve left - I corrected, not enough tailwheel response to get back straight. Went off runway at intersection of 25-33 into snow. Hit snow bank and plane nosed over and then on back." The pilot reported no mechanical malfunctions with the airplane in reference to the flight. ## Factual narrative On December 23, 2005, about 1430 central standard time, a Champion 7EC tailwheel airplane, N7592B, piloted by a student pilot, sustained substantial damage on impact with a snow bank and subsequently nosed over when the airplane departed runway 25 during landing at the Platteville Municipal Airport (PVB), near Platteville, Wisconsin. The solo instructional flight was operating under 14 Code of Federal Regulations Part 91. Visual meteorological conditions prevailed at the time of the accident. No flight plan was on file. The student pilot reported sustaining minor injuries. The local flight originated from PVB at 1420. The pilot's accident report stated: Had perfect approach, centered on runway 25, wings level. Touched down, plane did a little hop and then landed straight. Plane began to swerve left - I corrected, not enough tailwheel response to get back straight. Went off runway at intersection of 25-33 into snow. Hit snow bank and plane nosed over and then on back. The pilot reported no mechanical malfunctions with the airplane in reference to the flight. ## Aircraft - Registration: [N7592B](https://openairdocs.org/aircraft/N7592B), registered now, S/N 7EC-619, built 1961 (OpenAirDocs) - Reported make and model: Champion 7EC - Registry model: [Champion 7EC](https://openairdocs.org/model/champion-7ec) (registry code 21101NM) (OpenAirDocs) - Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 7EC-619 - Airframe hours: 2521 - Engines: Continental C90-12F 90 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Registered owner: James K. Hughes - Airworthiness certificate: Standard, Normal - Last inspection: Annual, May 1, 2005 - Departed: PVB, Platteville, WI - Destination: PVB ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 48; injuries: none; student; medical: class 3, without waivers/limitations; seat: front; flight hours: 22 total, 11 in this make and model, 11 in the last 90 days, 5 in the last 30 days ## Weather - Conditions: Visual (VMC), Day - Wind: 180° at 4 knots - Visibility: 5 statute miles - Lowest ceiling: none - Temperature: 39 °F, dew point 36 °F - Altimeter: 29.61 inHg - Observed at: MRJ ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 20051223032389A](https://openairdocs.org/incident/20051223032389A), Dec 23, 2005: Bbavia 7EC, Platteville, WI, Substantial damage. (-23) Student was landing runway 25 at Platteville, WI (pvb) airport. Winds were approximately 220 @ 5 knots. Upon landing aircraft began to drift left.… ## Other investigations on N7592B (1) 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. - [NTSB MKC76DER81](https://openairdocs.org/ntsb/MKC76DER81), Jul 19, 1976: Aeronca 7EC (N7592B), Olivia, MN, substantial damage 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.