Greeley-Weld County Airport
Aircraft Accident/Incident Report

Greeley, Colorado 80631
Sunday, April 28, 2002 12:00 MDT

NTSB Narrative Summary Released at Completion of Accident

The pilot receiving instruction said, "Late in landing roll ... at approximately 25-30 mph brakes were applied and left brake failed due to ruptured brake line. Airplane veered right and ground-looped causing left wing tip and left elevator to contact runway." An examination of the airplane's left main landing gear showed that the left brake line was cracked, flattened, and leaking brake fluid.

NTSB Probable Cause Narrative

the inadvertent ground loop during landing roll. A contributing factor was the partial brake system failure.

Event Information

Type of Event Accident
Event Date 4/28/2002
Event Day of the Week Sunday
Time of Event 1200
Event Time Zone Mountain Daylight Time
Event City Greeley
Event State COLORADO
Event Country --
Zipcode of the event site 80631
Event Date Year 2002
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 402542N
Event Location Longitude 1043806W
Event Location Airport Greeley-Weld County Airport
Event Location Nearest Airport ID GXY
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0.5
Degrees magnetic from airport 270
Airport Elevation 4658
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1155 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 270
Weather Observation Facility ID GXY
Elevation of weather observation facility 4658
Distance of event from weather observation facility (units?) 1
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) 18
Dew Point at event time (in degress fahrenheit) -2
Wind Direction (degrees magnetic) 10
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 4
Wind Velocity Indicator --
Wind Gust Indicator Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 6035
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 12297
NTSB Notification Source FAA-ANM-ROC
NTSB Notification Date Apr 28 2002 12:00AM
NTSB Notification Time 1535
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Sep 20 2002 10:08AM
User who most recently changed record NTSB\MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office Denver, CO FSDO

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4730Q
NTSB Number DEN02LA041
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 Cessna
Aircraft Model A185E
Aircraft Series Identifier --
Aircraft Serial Number 185-1184
Certified Max Gross Weight 3300
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 6
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Feb 19 2002 12:00AM
Airframe hours since last inspection 20
Airframe Hours 3823
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name Brad and Arden Lindsey
Aircraft Owner Street Address 43 Sylvan Way
Aircraft Owner City Dubois
Aircraft Owner State WY
Aircraft Owner Country USA
Aircraft Owner Zipcode 82513
Operator is an individual? No
Operator Name --
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City --
Operator State --
Operator Country --
Operator Zip code --
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? --
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) Instructional
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code GXY
Departure City Greeley
Departure State CO
Departure Country USA
Departure Time 1100
Departure Time Zone MDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code GXY
Destination City --
Destination State --
Destination Country --
Specific Phase of Flight Landing - roll
Report sent to ICAO? No
Evacuation occurred No
Date of most recent change to record Aug 29 2002 1:12PM
User who most recently changed record MCBM
Since inspection or accident Time of Accident
Event Location Runway Number and Location 09
Runway Length 6210
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --