Leadville Airport
Aircraft Accident/Incident Report

Leadville, Colorado 80461
Thursday, March 23, 1989 11:30 MST

NTSB Narrative Summary Released at Completion of Accident

THE PLT & A TECHNICIAN WERE PERFORMING REARWARD FLT TO TEST AN EXPERIMENTAL ENG INSTLN. THE MANEUVER USED WAS A REARWARD HOVER TO 20 KTS, FOLLOWED BY A RIGHT PEDAL TURN TO REVERSE COURSE & FLY AWAY. THE PLT WAS USING RWY 16 & THE WIND WAS FROM 260 DEG AT 12 KTS. THE PLT RPRTD THAT DRG THE RIGHT TURN, THE HELICOPTER ENTERED AN UNCOMMANDED RIGHT SPIN. THE PLT WAS UNABLE TO MAINTAIN ANTI-TORQUE CONTROL & LOWERED THE COLLECTIVE TO LAND. HOWEVER, THE HELICOPTER TOUCHED DOWN WITH SIDEWARD MOVEMENT, COLLAPSING THE NOSE & LEFT MAIN GEAR. THE TAIL ROTOR BLADES CONTACTED THE RWY DRG THE GEAR FAILURE & THE TAIL ROTOR GEARBOX WAS TORN FROM THE TAIL SECTION. THE PLT ORIGINALLY SUSPECTED A HYDRAULIC PROBLEM, BUT AN INSPN FAILED TO REVEAL EVIDENCE OF ANY PRE-ACDNT FAILURE OR MALFUNCTION. ELEVATION & TEMPERATURE WERE 9927 FT & 65 DEG, RESPECTIVELY.

NTSB Probable Cause Narrative

FAILURE OF THE PILOT TO COMPENSATE ADEQUATELY FOR WIND CONDITIONS WITH RUDDER PEDALS WHILE MANEUVERING IN UNFAVORABLE WIND AND HIGH DENSITY ALTITUDE.

Event Information

Type of Event Accident
Event Date 3/23/1989
Event Day of the Week Thursday
Time of Event 1130
Event Time Zone Mountain Standard Time
Event City LEADVILLE
Event State COLORADO
Event Country --
Zipcode of the event site 80461
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 LEADVILLE
Event Location Nearest Airport ID LXV
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 9927
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
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) 15
Air Temperature at event time (in degrees celsius) -18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 260
Variable Wind Indicator Unknown
Wind Speed (knots) 12
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) 442
NTSB Notification Source --
NTSB Notification Date Mar 24 1989 12:00AM
NTSB Notification Time 830
Fiche Number and/or location -used to find docket information 38942
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 N5008Q
NTSB Number DEN89LA090
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 BELL
Aircraft Model 222
Aircraft Series Identifier 222
Aircraft Serial Number 47009
Certified Max Gross Weight 7850
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 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name HELI-AIR, INC.
Aircraft Owner Street Address 119 IDA ROAD
Aircraft Owner City BROUSSARD
Aircraft Owner State LA
Aircraft Owner Country
Aircraft Owner Zipcode 70518
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) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code LVX
Departure City
Departure State
Departure Country
Departure Time 1115
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 Maneuvering
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 16
Runway Length 5300
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --