Yampa Valley Airport
Aircraft Accident/Incident Report

Hayden, Colorado 81639
Wednesday, April 6, 1983 11:15 MST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT COLLIDED WITH A POWERLINE AND CRASHED AFTER THE ENGINE LOST POWER ON TAKEOFF. ACCORDING TO WITNESSES THE ACFT MADE A NORMAL TAKEOFF BUT DURING CLIMBOUT THE ENGINE BACKFIRED AND DARK SMOKE CAME OUT. THE ACFT TURNED LEFT THEN STEEPLY RIGHT BEFORE HITTING THE POWER LINE. THIS ACFT WAS FLOWN 3 TIMES IN 1982 AND TWICE PRIOR TO THE DAY OF THE ACC IN 1983. THE LAST TIME THE ACFT WAS REFUELED WAS IN SEPT, 1982. THE ACFT WAS PARKED OUTDOORS. THE GAS CAP IN THE WING SHOWED AREAS OF RUST AND CORROSION PREVENTING A TIGHT SEAL. MOISTURE COULD LEAK INTO THE FUEL TANK FROM RAIN AND MELTINGSNOW. ON 4/11/83 THE LEFT WING FUEL TANK WAS EXAMINED BY CUTTING INTO IT. THE BLADDER WAS SEVERELY WRINKLED ON THE BOTTOM. THE WRINKLING PRODUCED POCKETS LARGE ENOUGH TO TRAP ABOUT 1 GALLON OF WATER. THIS WATER WOULD NOT REACH THE DRAIN SUMP WITH THE ACFT IN A LEVEL PARKED POSITION. THE NTSB HAS MADE RECOMMENDATIONS TO FAA CONCERNING WATER IN FUEL AND EVALUATION OF BLADDER TYPE FUEL TANKS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/6/1983
Event Day of the Week Wednesday
Time of Event 1115
Event Time Zone Mountain Standard Time
Event City HAYDEN
Event State COLORADO
Event Country --
Zipcode of the event site 81639
Event Date Year 1983
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport YAMPA VALLEY
Event Location Nearest Airport ID HDN
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 6597
Weather Briefing Completeness Unknown
Investigator's weather source Unknown
Time of the weather observation 1130 Mountain Standard Time
Direction of event from weather observation facility (degrees) 290
Weather Observation Facility ID HDN
Elevation of weather observation facility 6597
Distance of event from weather observation facility (units?) 1
Time Zone of the weather observation MST
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Scattered
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) 2
Dew Point at event time (in degress fahrenheit) -4
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 6566
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 995
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 21304
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 N2971Y
NTSB Number DEN83FA091
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 182H
Aircraft Series Identifier 182H
Aircraft Serial Number 18253971
Certified Max Gross Weight 2800
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 Annual
Date of Last Inspection Jun 15 1982 12:00AM
Airframe hours since last inspection 18
Airframe Hours 2505
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name SCOTT JOHN JOHNSON
Aircraft Owner Street Address P.O. BOX 96
Aircraft Owner City STEAMBOAT SPRG.
Aircraft Owner State CO
Aircraft Owner Country
Aircraft Owner Zipcode 80477
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) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code 1V4
Destination City FORT COLLINS
Destination State CO
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 28
Runway Length 6999
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --