Benson Municipal Airport
Aircraft Accident/Incident Report

Benson, Arizona 85602
Wednesday, October 27, 2010 11:55 MST

NTSB Narrative Summary Released at Completion of Accident

The pilot stated that, as he taxied the trike onto the runway and toward the centerline, it encountered a lateral crack across the runway pavement, which caused a noticeable and sharp movement through the foot controls; he felt no other anomalies. He lined the trike on the runway centerline and began the takeoff roll. The trike struck another crack and veered to the right. He attempted to correct back to the runway centerline without success. The trike rolled up on its left side, causing damage to the left wing's keel tube, the control A-frame, left leading edge spar, and sail cloth. The pilot reported to the Federal Aviation Administration (FAA) that he wanted to go out on one last flight before the runway was closed for repairs. According to the FAA airworthiness inspector who responded to the accident, the crack in the runway that the trike traversed was about 4 to 5 inches wide and at least 1 to 2 inches deep. The city commenced planned runway repairs several days after the accident.

NTSB Probable Cause Narrative

The pilot's inadequate evaluation of the runway condition and failure to maintain directional control during takeoff.

Event Information

Type of Event Accident
Event Date 10/27/2010
Event Day of the Week Wednesday
Time of Event 1155
Event Time Zone Mountain Standard Time
Event City Benson
Event State ARIZONA
Event Country --
Zipcode of the event site 85602
Event Date Year 2010
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 315958N
Event Location Longitude 1102128W
Event Location Airport Benson Municipal Airport
Event Location Nearest Airport ID E95
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 3829
Weather Briefing Completeness --
Investigator's weather source Pilot
Time of the weather observation 1140 Mountain Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID E95
Elevation of weather observation facility 3829
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation MST
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) 24
Dew Point at event time (in degress fahrenheit) -1
Wind Direction (degrees magnetic) --
Variable Wind Indicator Variable
Wind Speed (knots) --
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.02
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) 27665
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 1 2010 5:56PM
User who most recently changed record coos
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N75784
NTSB Number WPR11CA033
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 MEDWAY
Aircraft Model RAVEN
Aircraft Series Identifier UNDESIGNAT
Aircraft Serial Number KMR9371
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 --
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection --
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name Kevin Kealy
Aircraft Owner Street Address --
Aircraft Owner City Benson
Aircraft Owner State AZ
Aircraft Owner Country USA
Aircraft Owner Zipcode 85602
Operator is an individual? Yes
Operator Name Kevin Kealy
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City Benson
Operator State AZ
Operator Country USA
Operator Zip code 85602
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 E95
Departure City Benson
Departure State AZ
Departure Country USA
Departure Time 1145
Departure Time Zone MST
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code E95
Destination City Benson
Destination State AZ
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Dec 1 2010 5:57PM
User who most recently changed record coos
Since inspection or accident --
Event Location Runway Number and Location 10
Runway Length 4500
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --