Winnemucca Municipal Airport
Aircraft Accident/Incident Report

Winnemucca, Nevada 89445
Thursday, August 13, 2009 8:50 PDT

NTSB Narrative Summary Released at Completion of Accident

The pilot reported performing a full stall landing in the tail wheel equipped airplane. During the landing roll he lost directional control and the airplane ground looped. The airplane sustained substantial damage to the wing spar during the accident sequence. Winds were calm at the time of the accident, and the pilot reported no mechanical anomalies with the airplaneā€™s flight control systems.

NTSB Probable Cause Narrative

The pilot's failure to maintain directional control during landing.

Event Information

Type of Event Accident
Event Date 8/13/2009
Event Day of the Week Thursday
Time of Event 850
Event Time Zone Pacific Daylight Time
Event City Winnemucca
Event State NEVADA
Event Country --
Zipcode of the event site 89445
Event Date Year 2009
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 405328N
Event Location Longitude 1174813W
Event Location Airport Winnemucca Municipal Airport
Event Location Nearest Airport ID WMC
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport --
Airport Elevation 4308
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 856 Pacific Daylight Time
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID WMC
Elevation of weather observation facility 4308
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) -5
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator Calm
Wind Gust Indicator --
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.07
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 26066
NTSB Notification Source FAA FSDO, Reno, Nevada
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Sep 18 2009 2:58PM
User who most recently changed record coos
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N83024
NTSB Number WPR09CA405
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name AERONCA
Aircraft Model 7DC-CONV
Aircraft Series Identifier --
Aircraft Serial Number 7AC-1681
Certified Max Gross Weight --
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name Richard D Cowgill
Aircraft Owner Street Address --
Aircraft Owner City Mineral Wells
Aircraft Owner State WV
Aircraft Owner Country USA
Aircraft Owner Zipcode 26150
Operator is an individual? Yes
Operator Name Jon N Vigoren
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address --
Operator City Washoe Valley
Operator State NV
Operator Country USA
Operator Zip code 89704
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation --
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code RNO
Departure City Reno
Departure State NV
Departure Country USA
Departure Time 700
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code WMC
Destination City Winnemucca
Destination State NV
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 18 2009 2:59PM
User who most recently changed record coos
Since inspection or accident --
Event Location Runway Number and Location 32
Runway Length 7000
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --