Jeffco Airport
Aircraft Accident/Incident Report

Broomfield, Colorado 80020
Wednesday, April 17, 1985 9:20 MST

NTSB Narrative Summary Released at Completion of Accident

PILOT WAS TAKING FAA CHECKRIDE FOR ATP-ROTOCRAFT. EXAMINER REQUESTED AUTOROTATION DEMONSTRATION WITH POWER RECOVERY DUE TO HIGH GUSTY WINDS. PILOT SAID AUTOROTATION WAS NORMAL UNTIL 75-100 FT AGL WHEN RATE OF DESCENT BECAME EXCESSIVE. PILOT SAID BEFORE HE COULD REACT, HELICOPTER STRUCK GROUND.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 4/17/1985
Event Day of the Week Wednesday
Time of Event 920
Event Time Zone Mountain Standard Time
Event City BROOMFIELD
Event State COLORADO
Event Country --
Zipcode of the event site 80020
Event Date Year 1985
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport JEFFCO
Event Location Nearest Airport ID BJC
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 5654
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 945 Mountain Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID BJC
Elevation of weather observation facility 5654
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation MST
Lighting Conditions Day
Lowest Ceiling Height 18000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
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) 22
Dew Point at event time (in degress fahrenheit) 1
Wind Direction (degrees magnetic) 250
Variable Wind Indicator Unknown
Wind Speed (knots) 20
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 30
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 7656
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) 5003
NTSB Notification Source --
NTSB Notification Date Apr 17 1985 12:00AM
NTSB Notification Time 1000
Fiche Number and/or location -used to find docket information 27378
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 N7411N
NTSB Number DEN85IA117
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Minor
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name HILLER
Aircraft Model UH-12E
Aircraft Series Identifier UH-12E
Aircraft Serial Number 2110
Certified Max Gross Weight 3100
Aircraft Category Helicopter
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 3
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jan 11 1985 12:00AM
Airframe hours since last inspection 92
Airframe Hours 4739
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name HARRY G. LAFORGE, JR.
Aircraft Owner Street Address 2705 VASSAR DRIVE
Aircraft Owner City BOULDER
Aircraft Owner State CO
Aircraft Owner Country
Aircraft Owner Zipcode 80303
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address JEFFERSON COUNTY AIRPORT
Operator City BROOMFIELD
Operator State CO
Operator Country
Operator Zip code 80020
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) Unknown
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 900
Departure Time Zone MST
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 Approach
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 20
Runway Length 3601
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --