Mack Mesa Airport
Aircraft Accident/Incident Report

Mack, Colorado 81525
Saturday, November 1, 2008 16:35 MST

NTSB Narrative Summary Released at Completion of Accident

The private pilot was landing when he used right rudder to correct for drift and inadvertently applied uneven right braking. The left main gear on the experimental amateur built airplane then collapsed causing the left wing and the propeller to strike the runway. There was substantial damage to the left wing, but no injuries to the solo pilot.

NTSB Probable Cause Narrative

The collapse of the left main landing gear which resulted in the pilot's failure to maintain directional control.

Event Information

Type of Event Accident
Event Date 11/1/2008
Event Day of the Week Saturday
Time of Event 1635
Event Time Zone Mountain Standard Time
Event City Mack
Event State COLORADO
Event Country --
Zipcode of the event site 81525
Event Date Year 2008
Event Date Month 11
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 391603N
Event Location Longitude 1085131W
Event Location Airport Mack Mesa Airport
Event Location Nearest Airport ID C07
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 4724
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1553 Mountain Standard Time
Direction of event from weather observation facility (degrees) 119
Weather Observation Facility ID KGJT
Elevation of weather observation facility 4858
Distance of event from weather observation facility (units?) 18
Time Zone of the weather observation MST
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height 8500
Sky/Lowest/Cloud Conditions Scattered
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) 30
Dew Point at event time (in degress fahrenheit) -5
Wind Direction (degrees magnetic) 280
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 7
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.15
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report KGJT 012153Z 28007KT 10SM SCT085 SCT100 30/M05 A30
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) 25221
NTSB Notification Source FAA ANM Comm Center
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Mar 18 2009 9:25AM
User who most recently changed record latt
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N3119X
NTSB Number CEN09CA045
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed Unknown
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name HARTTER LENNY J
Aircraft Model BEARHAWK
Aircraft Series Identifier --
Aircraft Serial Number 1
Certified Max Gross Weight 2400
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? Yes
Flight Crew Seats 2
Cabin Crew Seats --
Passenger Seats 2
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Aug 9 2008 12:00AM
Airframe hours since last inspection 26
Airframe Hours 59
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name THORSON MELVIN E
Aircraft Owner Street Address 985 20 1/2 RD
Aircraft Owner City Fruita
Aircraft Owner State CO
Aircraft Owner Country USA
Aircraft Owner Zipcode 81521-9118
Operator is an individual? Yes
Operator Name THORSON MELVIN E
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 985 20 1/2 RD
Operator City Fruita
Operator State CO
Operator Country USA
Operator Zip code 81521-9118
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 C07
Departure City Mack
Departure State CO
Departure Country USA
Departure Time 1530
Departure Time Zone MST
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code C07
Destination City Mack
Destination State CO
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Mar 18 2009 9:25AM
User who most recently changed record latt
Since inspection or accident Last Inspection
Event Location Runway Number and Location 25
Runway Length 2600
Runway Width 60
Sight Seeing flight No
Air Medical Flight No
Medical Flight --