Dillingham Airfield Airport
Aircraft Accident/Incident Report

Honolulu, Hawaii 96825
Wednesday, May 10, 1995 15:30 HST

NTSB Narrative Summary Released at Completion of Accident

AFTER BEING TOWED TO AN ALTITUDE OF 1,000 FEET MSL, THE PILOT INITIALLY CLIMBED AN ADDITIONAL 100 FEET. ABOUT 5 MINUTES LATER HE ENCOUNTERED AN AREA WHICH WAS NOT GENERATING ANY LIFT AND DECIDED TO TURN BACK TOWARD THE AIRPORT. WHILE FLYING AN UPWIND COURSE, WHICH WAS IN CLOSE PROXIMITY AND NEARLY PARALLEL TO THE NORTH SIDE OF A NEARBY RIDGE LINE, THE GLIDER ENCOUNTERED AN UNEXPECTED DOWNDRAFT. UNABLE TO MANEUVER OUT OF THE CONDITION, THE GLIDER WAS FORCED DOWN, IMPACTING STEEP, ROCKY TERRAIN. THE PILOT REPORTED THAT THE PREVAILING WINDS AT THE ACCIDENT SITE WERE GUSTING FROM THE SOUTHEAST.

NTSB Probable Cause Narrative

the pilot's attempted flight in close proximity to terrain under gusty wind conditions at an inadequate terrain clearance altitude.

Event Information

Type of Event Accident
Event Date 5/10/1995
Event Day of the Week Wednesday
Time of Event 1530
Event Time Zone Hawaii Standard Time
Event City HONOLULU
Event State HAWAII
Event Country --
Zipcode of the event site 96825
Event Date Year 1995
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport DILLINGHAM AIRFIELD
Event Location Nearest Airport ID PHDH
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport 225
Airport Elevation --
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1455 Hawaii Standard Time
Direction of event from weather observation facility (degrees) 110
Weather Observation Facility ID HHI
Elevation of weather observation facility 837
Distance of event from weather observation facility (units?) 25
Time Zone of the weather observation HST
Lighting Conditions Day
Lowest Ceiling Height 3500
Lowest Non-Ceiling Height 2000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) 17
Wind Direction (degrees magnetic) 80
Variable Wind Indicator Unknown
Wind Speed (knots) 13
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 688
NTSB Notification Source --
NTSB Notification Date May 10 1995 12:00AM
NTSB Notification Time 1830
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 7 2000 4:16PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N7768S
NTSB Number LAX95LA184
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name SCHWEIZER
Aircraft Model SGS 2-33A
Aircraft Series Identifier SGS 2-33A
Aircraft Serial Number 138
Certified Max Gross Weight 1040
Aircraft Category Glider
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 2
Number of Engines --
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Mar 29 1995 12:00AM
Airframe hours since last inspection 31
Airframe Hours 4657
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name SOAR HAWAII, LTD.
Aircraft Owner Street Address 266 POIPU DRIVE
Aircraft Owner City HONOLULU
Aircraft Owner State HI
Aircraft Owner Country
Aircraft Owner Zipcode 96825
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 PHDH
Departure City
Departure State
Departure Country
Departure Time 1521
Departure Time Zone HST
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 Maneuvering
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
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 --