Tri-County Airport
Aircraft Accident/Incident Report

Lafayette, Colorado 80026
Sunday, June 16, 1991 12:00 MDT

NTSB Narrative Summary Released at Completion of Accident

THE STUDENT PILOT WAS RECEIVING A PRIVATE PILOT RATING RIDE FROM A DESIGNATED EXAMINER. WHILE DEMONSTRATING A SHORT FIELD LANDING, THE DESIGNEE ALLOWED THE SPEED TO DETERIORATE FOLLOWED BY EXCESSIVE SINK RATE WHICH RESULTED IN A HARD LANDING. THE DESIGNATED EXAMINER TOOK NO PREVENTATIVE ACTION.

NTSB Probable Cause Narrative

THE PIC'S ABRUPT TOUCHDOWN. FACTORS WERE: APPROACH REFERENCE SPEED NOT MAINTAINED, PROPER DESCENT RATE NOT MAINTAINED BY THE PIC AND INATTENTION BY THE DESIGNATED EXAMINER.

Event Information

Type of Event Accident
Event Date 6/16/1991
Event Day of the Week Sunday
Time of Event 1200
Event Time Zone Mountain Daylight Time
Event City LAFAYETTE
Event State COLORADO
Event Country --
Zipcode of the event site 80026
Event Date Year 1991
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport TRI-COUNTY
Event Location Nearest Airport ID 48V
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 5151
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1152 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 30
Weather Observation Facility ID BJC
Elevation of weather observation facility 5654
Distance of event from weather observation facility (units?) 15
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height 18000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 60
Air Temperature at event time (in degrees celsius) -18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 150
Variable Wind Indicator Unknown
Wind Speed (knots) 11
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 407
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 43693
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 N94596
NTSB Number DEN91LA084
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 182Q
Aircraft Series Identifier 182Q
Aircraft Serial Number 18266455
Certified Max Gross Weight 2960
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 Unknown
ELT Type --
Aircraft Owner Name
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name DENVER AIR CENTER
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address JEFFCO AIRPORT, BLDG. B-3
Operator City BROOMFIELD
Operator State CO
Operator Country
Operator Zip code 80021
Operator Code CIUA
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) Unknown
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code BJC
Departure City BROOMFIELD
Departure State CO
Departure Country
Departure Time 1100
Departure Time Zone MDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
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 15
Runway Length 5400
Runway Width 65
Sight Seeing flight No
Air Medical Flight No
Medical Flight --