Aircraft Accident/Incident Report

Salina, Utah 84654
Sunday, June 10, 1984 11:30 MST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT WAS ON A MAINTENANCE CHECK FLT AFTER THE MAIN ROTOR SHAFT ASSEMBLY THRUST BEARING HAD BEEN REPLACED AFTER THE ACFT HAD YAWING PROBLEMS AND POPPING SOUNDS AT HIGH PITCH SETTINGS WHILE LIFTINGS LOADS. THE PLT TRIED TO DUPLICATE THE CONDITIONS FOR THE TEST AND AS COLLECTIVE PITCH WAS INCREASED A LOUD BANG WAS HEARD FROM THE TRANSMISSION AREA AND THE ACFT LOST POWER. THE ACFT DID NOT RESPOND TO THE CONTROLS, ACCODING TO THE PLT, WHEN HE TRIED TO KEEP THE ACFT LEVEL AND CONTROL THE RATE OF DESCENT. WHEN GROUND CONTACT WAS MADE THE ACFT BOUNCED AND ROLLED OVER. A TEARDOWN OF THE CLUTCHAND TRANSMISSION WAS ACCOMPLISHED AND THERE WAS NO EVIDENCE OF ANY MECHANICAL FAILURES OR MALFUNCTIONS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/10/1984
Event Day of the Week Sunday
Time of Event 1130
Event Time Zone Mountain Standard Time
Event City SALINA
Event State UTAH
Event Country --
Zipcode of the event site 84654
Event Date Year 1984
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 --
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) 30
Air Temperature at event time (in degrees celsius) 16
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Unknown
Wind Speed (knots) 20
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 25
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 3
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2136
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26049
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 N29907
NTSB Number DEN84LA175
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 AEROSPATIALE
Aircraft Model SA-315B
Aircraft Series Identifier SA-315B
Aircraft Serial Number 2053-20
Certified Max Gross Weight 4300
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 5
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 1 1984 12:00AM
Airframe hours since last inspection 13
Airframe Hours --
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name HIGHLIFE HELICOPTERS
Aircraft Owner Street Address 16715 S. MERIDAN
Aircraft Owner City PUYALLUP
Aircraft Owner State WA
Aircraft Owner Country
Aircraft Owner Zipcode 98373
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 11
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation External Load
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 1120
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 Hover
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 --