Weld County Airport
Aircraft Accident/Incident Report

Greeley, Colorado 80631
Saturday, March 24, 1984 21:50 MST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT COLLIDED WITH TREES AND THE GROUND DURING A NIGHT FORCED LANDING. THE ACFT HAD MADE SOME STRANGE SOUNDS AND STARTED VIBRATING AFTER TAKEOFF. A GLIDE WAS SET UP FOR A FORCED LANDING. SINCE THE ARPT COULD NOT BE REACHED A LANDING WAS MADE ON A DRY RIVER BED. EXAM OF THE PROP SHOWED 6 3/4 INCHES OF ONE BLADE WERE MISSING AND COULD NOT BE LOCATED. FAILURE OF THE BLADE WAS DETERMINED TO BE FROM A PRE-EXISTING FATIGUE CRACK. THE PLT SAID THE ACFT IS OPERATED OFF OF A GRAVEL STRIP IN NEW MEXICO.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 3/24/1984
Event Day of the Week Saturday
Time of Event 2150
Event Time Zone Mountain Standard Time
Event City GREELEY
Event State COLORADO
Event Country --
Zipcode of the event site 80631
Event Date Year 1984
Event Date Month 3
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport WELD COUNTY
Event Location Nearest Airport ID GXY
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 5
Degrees magnetic from airport 0
Airport Elevation 4658
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 2047 Mountain Standard Time
Direction of event from weather observation facility (degrees) 315
Weather Observation Facility ID FNL
Elevation of weather observation facility 5015
Distance of event from weather observation facility (units?) 20
Time Zone of the weather observation MST
Lighting Conditions Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 21000
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) 5
Air Temperature at event time (in degrees celsius) 6
Dew Point at event time (in degress fahrenheit) 1
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1736
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 25615
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N6521R
NTSB Number DEN84FA115
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 172RG
Aircraft Series Identifier 172RG
Aircraft Serial Number 172RG0190
Certified Max Gross Weight 2650
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Unknown
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection May 10 1983 12:00AM
Airframe hours since last inspection 127
Airframe Hours 994
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name GLENN E. ILLA FAYE WIDENER
Aircraft Owner Street Address 1806 SOUTH MAIN PLACE
Aircraft Owner City PORTALES
Aircraft Owner State NM
Aircraft Owner Country
Aircraft Owner Zipcode 88130
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
Departure City
Departure State
Departure Country
Departure Time 2148
Departure Time Zone MST
Destination Same as Local Flt --
Destination Airport Code TCC
Destination City TUCUMCARI
Destination State NM
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 9
Runway Length 7035
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --