Warren County Memorial Airport
Aircraft Accident/Incident Report

Mcminnville, Tennessee 37129
Thursday, September 2, 2010 14:00 CDT

NTSB Narrative Summary Released at Completion of Accident

The pilot stated that he taxied to the runway for the purpose of performing a high speed taxi run. After an engine run-up, he latched the two canopy latches on the right side and scanned the instrument panel, noticing that the cylinder head temperature and oil temperature were rising. He stated that his attention was diverted in concern of the rising temperature and did not recall if he latched the two latches on the left side of the canopy. He started the takeoff roll and after becoming airborne, he noticed the canopy opening on the left side. The pilot attempted to latch the canopy, but realized it would take both hands, and continued to climb to pattern altitude while trimming the aircraft for better airspeed control. He then pulled the throttle back to slow the airspeed and attempted to latch the canopy. The canopy started flapping up and down, and when he tried to secure it shut with his hands he was not be able to control the airplane. He stated that debris was flying everywhere and the wind blew off his headset. When he realized that he was getting low he added full engine power and looked for a clear area; shortly thereafter the airplane collided with the ground.

NTSB Probable Cause Narrative

The pilot’s failure to properly latch the cockpit canopy prior to takeoff, resulting in his diverted attention and failure to maintain aircraft control.

Event Information

Type of Event Accident
Event Date 9/2/2010
Event Day of the Week Thursday
Time of Event 1400
Event Time Zone Central Daylight Time
Event City McMinnville
Event State TENNESSEE
Event Country --
Zipcode of the event site 37129
Event Date Year 2010
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 354155N
Event Location Longitude 0855037W
Event Location Airport Warren County Memorial Airport
Event Location Nearest Airport ID RNC
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 1
Degrees magnetic from airport --
Airport Elevation 1032
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1356 Central Daylight Time
Direction of event from weather observation facility (degrees) 300
Weather Observation Facility ID MQY
Elevation of weather observation facility 543
Distance of event from weather observation facility (units?) 37
Time Zone of the weather observation CDT
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) 33
Dew Point at event time (in degress fahrenheit) 19
Wind Direction (degrees magnetic) --
Variable Wind Indicator Variable
Wind Speed (knots) 4
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
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) 28227
NTSB Notification Source FAA/FSDO
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Apr 12 2011 3:33PM
User who most recently changed record kenj
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N320CY
NTSB Number ERA10CA461
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Yeager Inc.
Aircraft Model Lancair
Aircraft Series Identifier 320
Aircraft Serial Number 384-320-139
Certified Max Gross Weight 1685
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? Yes
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 Retractable
Aircraft, Type of Last Inspection Conditional
Date of Last Inspection Sep 2 2010 12:00AM
Airframe hours since last inspection 1
Airframe Hours 1
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name Yeager, Inc
Aircraft Owner Street Address 227 Mariners Way
Aircraft Owner City Bear
Aircraft Owner State DE
Aircraft Owner Country USA
Aircraft Owner Zipcode 19701
Operator is an individual? No
Operator Name Donald Yeager
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address --
Operator City Murfreesboro
Operator State TN
Operator Country USA
Operator Zip code 37129
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 Yes
Departure Airport Code RNC
Departure City McMinnville
Departure State TN
Departure Country USA
Departure Time 1345
Departure Time Zone EDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code RNC
Destination City McMinnville
Destination State TN
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Apr 12 2011 3:33PM
User who most recently changed record kenj
Since inspection or accident Time of Accident
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --