Aircraft Accident/Incident Report

Silverton, Texas 79257
Saturday, October 18, 2008 14:06 CDT

NTSB Narrative Summary Released at Completion of Accident

During an aerial application flight, the airplane, piloted by a commercial pilot, contacted a transmission wire during an undetermined phase of flight. The vertical stabilizer separated from the airplane and was not recovered. Aircraft control was not possible and the airplane subsequently impacted terrain. The pilot was seriously injured. Examination of the wreckage revealed damage to the anti-snag deflector cable and vertical stabilizer consistent with a wire strike. Displaying signs of wear, the pilot's restraint system failed in two locations resulting in additional injury to the pilot.

NTSB Probable Cause Narrative

The pilot's failure to maintain clearance from a transmission wire.

Event Information

Type of Event Accident
Event Date 10/18/2008
Event Day of the Week Saturday
Time of Event 1406
Event Time Zone Central Daylight Time
Event City Silverton
Event State TEXAS
Event Country --
Zipcode of the event site 79257
Event Date Year 2008
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport --
Event Location Nearest Airport ID --
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1405 Central Daylight Time
Direction of event from weather observation facility (degrees) 220
Weather Observation Facility ID KPVW
Elevation of weather observation facility 3374
Distance of event from weather observation facility (units?) 27
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) 23
Dew Point at event time (in degress fahrenheit) 11
Wind Direction (degrees magnetic) 220
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 11
Wind Velocity Indicator --
Wind Gust Indicator Gusting
Wind Gust (knots) 15
Altimeter Setting at event time (in. Hg) 30.29
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 25572
NTSB Notification Source SW FAA ROC
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Jun 15 2009 12:44PM
User who most recently changed record aguj
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N57740
NTSB Number CEN09LA023
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-36-285
Aircraft Series Identifier --
Aircraft Serial Number 36-7660055
Certified Max Gross Weight --
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats 1
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jan 28 2008 12:00AM
Airframe hours since last inspection --
Airframe Hours 2241
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type C91-A
Aircraft Owner Name COPENHAVER TRACY K
Aircraft Owner Street Address 706 N ANTHONY AVE
Aircraft Owner City ANTHONY
Aircraft Owner State KS
Aircraft Owner Country USA
Aircraft Owner Zipcode 67003-2212
Operator is an individual? No
Operator Name Bull Town Sprayers Inc.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address PO BOX 815
Operator City BOVINA
Operator State TX
Operator Country USA
Operator Zip code 79009
Operator Code 3BTG
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Agriculture
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) Aerial Application
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code --
Departure City SILVERTON
Departure State TX
Departure Country USA
Departure Time 1255
Departure Time Zone CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code --
Destination City SILVERTON
Destination State TX
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record May 27 2009 5:56PM
User who most recently changed record aguj
Since inspection or accident Last Inspection
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --