Aircraft Accident/Incident Report

Warm Springs, Oregon 97761
Thursday, June 13, 1985 21:51 PDT

NTSB Narrative Summary Released at Completion of Accident

DURING A FLT FROM MADRAS, OR TO WALLA WALLA, WA, A LOSS OF ENG POWER OCCURRED DUE TO A FUEL FLOW PROBLEM & THE PLT MADE A SUCCESSFUL AUTOROTATION NEAR WARM SPRINGS, OR. A COMPANY MECHANIC WAS DISPATCHED TO THE HELICOPTER & HE REPAIRED A LOOSE FUEL LINE FITTING. LATE THAT EVENING, THE PLT STARTED & RAN THE ENG FOR ABOUT 10 MIN. HE THEN HOVERED FOR 4 TO 5 MIN BEFORE STARTING HIS DEPARTURE. THE PLT REPORTED THAT DURING DEPARTURE, THE ENG BEGAN LOSING RPM AT ABOUT 40 FT AGL. HE ATTEMPTED TO RESTORE POWER, BUT WAS UNABLE. SUBSEQUENTLY, THE HELICOPTER IMPACTED ON ITS SKID LANDING GEAR & TAIL SKID, THEN CAME TO REST ON ITS LEFT SIDE ABOUT 60 FT FROM THE IMPACT POINT. AN EXAM OF THE FUEL SYSTEM REVEALED THAT THE FUEL STRAINER, KOE/K2250B-2, WAS LOOSE AT BOTH ENGS OF THE GLASS & COULD BE TURNED WITH SLIGHT PRESSURE. THE BOLT AT THE BOTTOM OF THE LOWER PIECE WAS NOT SAFETY WIRED & WAS LOOSE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/13/1985
Event Day of the Week Thursday
Time of Event 2151
Event Time Zone Pacific Daylight Time
Event City WARM SPRINGS
Event State OREGON
Event Country --
Zipcode of the event site 97761
Event Date Year 1985
Event Date Month 6
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 0
Weather Briefing Completeness Unknown
Investigator's weather source Witness
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 Dusk
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) 60
Air Temperature at event time (in degrees celsius) 10
Dew Point at event time (in degress fahrenheit) -3
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) --
Density Altitude (feet) --
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) 1088
NTSB Notification Source --
NTSB Notification Date Jun 14 1985 12:00AM
NTSB Notification Time 830
Fiche Number and/or location -used to find docket information 28430
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 N4732
NTSB Number SEA85FA137
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 HILLER
Aircraft Model UH-12C
Aircraft Series Identifier UH-12C
Aircraft Serial Number 259
Certified Max Gross Weight 2400
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 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Aug 10 1984 12:00AM
Airframe hours since last inspection 27
Airframe Hours 734
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name AIRCRAFT COMMERCE, LTD.
Aircraft Owner Street Address 2028 NW AIRPORT WAY
Aircraft Owner City MADRAS
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97741
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) Ferry
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 2150
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code S33
Destination City MADRAS
Destination State OR
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 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --