Pine Bluffs Municipal Airport
Aircraft Accident/Incident Report

Pine Bluffs, Wyoming 82082
Wednesday, August 17, 2011 14:00 MDT

NTSB Narrative Summary Released at Completion of Accident

According to the pilot, he was conducting an aerial application flight when he inadvertently struck power lines while maneuvering. The airplane struck the ground with the right wing first and then rolled to the left, coming to rest with the left wing and tail section contacting the ground. The pilot reported no mechanical problems with the airplane and stated the accident could have been prevented if he had paid more attention to the wire height, and maintained additional clearance above the wires.

NTSB Probable Cause Narrative

The pilot's failure to maintain clearance from power lines during an aerial application flight.

Event Information

Type of Event Accident
Event Date 8/17/2011
Event Day of the Week Wednesday
Time of Event 1400
Event Time Zone Mountain Daylight Time
Event City Pine Bluffs
Event State WYOMING
Event Country --
Zipcode of the event site 82082
Event Date Year 2011
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 410839N
Event Location Longitude 1041007W
Event Location Airport Pine Bluffs Municipal Airport
Event Location Nearest Airport ID 82V
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 1355 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 80
Weather Observation Facility ID IBM
Elevation of weather observation facility 4926
Distance of event from weather observation facility (units?) 21
Time Zone of the weather observation MDT
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) 29
Dew Point at event time (in degress fahrenheit) 10
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 3
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.17
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 29306
NTSB Notification Source FAA AWP Operations Center
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Dec 21 2011 4:06PM
User who most recently changed record andj
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8518Y
NTSB Number WPR11LA388
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name AIR TRACTOR INC
Aircraft Model AT-602
Aircraft Series Identifier --
Aircraft Serial Number 602-0689
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 100 Hour
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name TOP HAT AERIAL APPLICATORS INC
Aircraft Owner Street Address --
Aircraft Owner City BENKELMAN
Aircraft Owner State NE
Aircraft Owner Country USA
Aircraft Owner Zipcode 69021-0685
Operator is an individual? Yes
Operator Name TOP HAT AERIAL APPLICATORS INC
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City BENKELMAN
Operator State NE
Operator Country USA
Operator Zip code 69021-0685
Operator Code --
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 Yes
Departure Airport Code 82V
Departure City Pine Bluffs
Departure State WY
Departure Country USA
Departure Time 1300
Departure Time Zone MDT
Destination Same as Local Flt crash at destination city
Destination Airport Code 82V
Destination City Pine Bluffs
Destination State WY
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Dec 21 2011 4:06PM
User who most recently changed record andj
Since inspection or accident --
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --