Weld County Airport
Aircraft Accident/Incident Report

Greeley, Colorado 80632
Saturday, January 23, 1993 7:55 MST

NTSB Narrative Summary Released at Completion of Accident

DURING THE LANDING PHASE, AFTER CONDUCTING A SIMULATED SINGLE ENGINE APPROACH, THE STUDENT FAILED TO MAINTAIN CONTROL OF THE AIRCRAFT. THE INSTRUCTOR TOOK CONTROL AND DURING THE ATTEMPTED GO AROUND THE AIRCRAFT STRUCK SEVERAL SNOW BANKS AND THEN BECAME AIRBORNE. CONTACT WITH THE SNOW BANKS CAUSED DAMAGE TO ALL THREE LANDING GEAR AND BOTH PROPELLERS. AFTER ORBITING FOR APPROXIMATELY TWO HOURS AND FIFTY MINUTES, TO BURN OFF FUEL, AN EMERGENCY LANDING WAS MADE WHICH CAUSED DAMAGE TO THE LEFT TIP TANK, NOSE SECTION, AND MAIN FUSELAGE.

NTSB Probable Cause Narrative

POOR IN FLIGHT PLANNING AND DECISION MAKING BY THE FLIGHT INSTRUCTOR IN ALLOWING THE STUDENT TO PROGRESS TO A POINT WHERE A SAFE FLIGHT REGIMEN COULD NOT BE MAINTAINED. A FACTOR WAS: THE DUAL STUDENTS FAILURE TO MAINTAIN CONTROL OF THE AIRCRAFT.

Event Information

Type of Event Accident
Event Date 1/23/1993
Event Day of the Week Saturday
Time of Event 755
Event Time Zone Mountain Standard Time
Event City GREELEY
Event State COLORADO
Event Country --
Zipcode of the event site 80632
Event Date Year 1993
Event Date Month 1
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport 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
Degrees magnetic from airport 0
Airport Elevation 4658
Weather Briefing Completeness Unknown
Investigator's weather source Witness
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 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) -4
Dew Point at event time (in degress fahrenheit) -11
Wind Direction (degrees magnetic) 340
Variable Wind Indicator Unknown
Wind Speed (knots) 18
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 23
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 5500
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 7
NTSB Notification Source --
NTSB Notification Date Jan 23 1993 12:00AM
NTSB Notification Time 1130
Fiche Number and/or location -used to find docket information 47676
Date of most recent change to record Dec 11 2000 1:06PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N3303X
NTSB Number DEN93LA023
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 310L
Aircraft Series Identifier 310L
Aircraft Serial Number 310L-0153
Certified Max Gross Weight 5200
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 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Sep 2 1992 12:00AM
Airframe hours since last inspection 47
Airframe Hours 5133
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name EDB AIR, INC.
Aircraft Owner Street Address 6650 EAST IDA AVE.
Aircraft Owner City ENGLEWOOD
Aircraft Owner State CO
Aircraft Owner Country
Aircraft Owner Zipcode 80111
Operator is an individual? --
Operator Name FLAT IRON AVIATION
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 3300 AIRPORT RD. BOX L
Operator City BOULDER
Operator State CO
Operator Country
Operator Zip code 80301
Operator Code VOXA
Owner has at least one certificate Yes - certificate holder
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) Instructional
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code 1V5
Departure City BOULDER
Departure State CO
Departure Country
Departure Time 730
Departure Time Zone MST
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 9
Runway Length 6210
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --