Boulder Airport
Aircraft Accident/Incident Report

Boulder, Colorado 80302
Tuesady, March 28, 1989 10:20 MST

NTSB Narrative Summary Released at Completion of Accident

BEFORE TAKEOFF, THE PLT NOTICED THE WIND WAS VARIABLE AT 10 KTS. HE RPRTD THAT DRG THE TAKEOFF ROLL, THE ACFT BEGAN TO TURN LEFT. HE ATTEMPTED TO CORRECT WITH RUDDER AND BRAKE, BUT TO NO AVAIL. HE REDUCED POWER & ABORTED THE TAKEOFF. HOWEVER, THE ACFT DEPARTED THE RWY TO THE LEFT & THE RIGHT MAIN GEAR FAILED. THE PLT RPRTD THAT AFTER THE ACDNT, THE WIND WAS FROM THE NORTH WITH GUSTS TO 15 KTS.

NTSB Probable Cause Narrative

THE PILOT'S INADEQUATE COMPENSATION FOR WIND CONDITIONS, FAILING TO MAINTAIN DIRECTIONAL CONTROL, AND INADVERTENT GROUND SWERVE. GUSTY CROSSWINDS CONTRIBUTED TO THE ACCIDENT.

Event Information

Type of Event Accident
Event Date 3/28/1989
Event Day of the Week Tuesday
Time of Event 1020
Event Time Zone Mountain Standard Time
Event City BOULDER
Event State COLORADO
Event Country --
Zipcode of the event site 80302
Event Date Year 1989
Event Date Month 3
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport BOULDER
Event Location Nearest Airport ID 1V5
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 5288
Weather Briefing Completeness Unknown
Investigator's weather source Unknown
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 10000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 30
Air Temperature at event time (in degrees celsius) -18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Variable
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 15
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 3
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 439
NTSB Notification Source --
NTSB Notification Date Mar 28 1989 12:00AM
NTSB Notification Time 1224
Fiche Number and/or location -used to find docket information 38939
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4756B
NTSB Number DEN89LA096
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 180
Aircraft Series Identifier 180
Aircraft Serial Number 31654
Certified Max Gross Weight 2550
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 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name ROBERT M. MICHAEL
Aircraft Owner Street Address 355 PEARL STREET
Aircraft Owner City BOULDER
Aircraft Owner State CO
Aircraft Owner Country
Aircraft Owner Zipcode 80302
Operator is an individual? --
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? No
Certified for Part 133 or 137 Operation Unknown
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 1V5
Departure City
Departure State
Departure Country
Departure Time 1020
Departure Time Zone MST
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code 1V5
Destination City
Destination State
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 8
Runway Length 4100
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --