Aircraft Accident/Incident Report

Hilo, Hawaii 96759
Thursday, February 14, 1985 16:50 HST

NTSB Narrative Summary Released at Completion of Accident

THE HELICOPTER TAIL BOOM WAS DAMAGED BY THE MAIN ROTOR BLADES DURING A FORCED AUTOROTATIVE LANDING. THE PLT REPORTED THAT SHORTLY AFTER TAKEOFF AT AN ALT OF 4500 FT MSL, THE ENG N2 DROPPED TO 92% AND APRX 15 SECONDS LATER, THE ENG FLAMED OUT. INVESTIGATION REVEALED THE HELICOPTER WAS FUELED WITH AVGAS INSTEAD OF TURBINE FUEL JUST PRIOR TO TAKEOFF. THE ENG OPERATING MANUAL APPROVES OF THIS FUEL SUBSTITUTION IN EMERGENCY SITUATIONS, HOWEVER, IT ADVISED THAT WHEN AVGAS IS USED, THE FUEL BOOST PUMP MUST BE LEFT ON. THE PLT WAS UNABLE TO RECALL WHETHER OR NOT THE PUMP WAS ON.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 2/14/1985
Event Day of the Week Thursday
Time of Event 1650
Event Time Zone Hawaii Standard Time
Event City HILO
Event State HAWAII
Event Country --
Zipcode of the event site 96759
Event Date Year 1985
Event Date Month 2
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 5
Degrees magnetic from airport 310
Airport Elevation 0
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) 20
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 30
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 15
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 FAA
NTSB Docket Number (internal use) 1416
NTSB Notification Source --
NTSB Notification Date Nov 19 1985 12:00AM
NTSB Notification Time 1537
Fiche Number and/or location -used to find docket information 28782
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N58395
NTSB Number LAX85FJA03
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 HUGHES
Aircraft Model 369D
Aircraft Series Identifier 369-D
Aircraft Serial Number 890563D
Certified Max Gross Weight 3000
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 100 Hour
Date of Last Inspection Feb 7 1985 12:00AM
Airframe hours since last inspection 52
Airframe Hours 18375
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name RYO PARTNERS
Aircraft Owner Street Address 1655 MAKALOA ST. SUITE 2701
Aircraft Owner City HONOLULU
Aircraft Owner State HI
Aircraft Owner Country
Aircraft Owner Zipcode 96825
Operator is an individual? --
Operator Name SUNAIR COPTERS, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O. BOX 4009
Operator City KAHULUI
Operator State HI
Operator Country
Operator Zip code 96732
Operator Code
Owner has at least one certificate Yes - certificate holder
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) Positioning
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code ITO
Departure City HILO
Departure State HI
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code OGG
Destination City KAHULUI
Destination State HI
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Dec 9 2002 11:42AM
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 --