Aircraft Accident/Incident Report

Mancos, Colorado 81328
Monday, November 26, 1984 8:00 MST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT SETTLED DURING AN EMER LNDG AFTER THE PLT SAID THE ENGINE FAILED. INVESTIGATION REVEALED THE ACFT RECEIVED MINOR MAINTENANCE ON THE DAY OF THE ACCIDENT, CONSISTING OF CHANGING THE PITCH CHAIN LINKS ON THE MAIN ROTOR BLADES. THEPLT MADE A WRITTEN STATEMENT AFTER THE ACCIDENT IN WHICH WAS STATED, 'THE ACFT WAS RUNNING APRX 15 MIN BEFORE TAKEOFF WITH THE ANTI-ICE OPERATING. I PULLED INTO A HOVER APRX 6-7 FT AGL, SLOWLY, TO INSURE THAT THERE WAS NOTHING ATTACHED TOTHE SKIDS. I THEN MOVED SIDEWAYS FROM THE LANDING ZONE TO CLEAR THE AREA OF BLOWING SNOW FROM THE ACFT. I TURNED INTO THE WIND & STARTED TO APPLY POWER TO CLIMB OUT OVER ANOTHER FENCE AT ABOUT 10-15 AGL. AT APRX 10-15 MPH THE ENG OUT LIGHT & HORN SOUNDED & I APPLIED RT TORQUE PEDAL TO CORRECT FOR YAW. WE STARTED TO SETTLE TO THE GROUND & I APPLIED COLLECTIVE TO STOP THE DESCENT & LANDED ON THE OPPOSITE SIDE OF A DITCHING.' THE ROTOR OR RPM DECAYED & THE ACFT ROCKED NOSE TO TAIL & THE MAIN BLADES HIT THE TAIL BOOM. AFTER THE ACCIDENT THE ENG RAN NORMALLY AT ALL POWER SETTINGS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 11/26/1984
Event Day of the Week Monday
Time of Event 800
Event Time Zone Mountain Standard Time
Event City MANCOS
Event State COLORADO
Event Country --
Zipcode of the event site 81328
Event Date Year 1984
Event Date Month 11
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
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) 6
Air Temperature at event time (in degrees celsius) -10
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
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) 2357
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26287
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 N5018L
NTSB Number DEN85LA033
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 206B-III
Aircraft Series Identifier 206B-III
Aircraft Serial Number 2648
Certified Max Gross Weight 3200
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 4
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jul 1 1984 12:00AM
Airframe hours since last inspection 92
Airframe Hours 3782
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
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
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
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
Departure City
Departure State
Departure Country
Departure Time 800
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 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 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --