Hillsboro Airport
Aircraft Accident/Incident Report

Hillsboro, Oregon 97124
Tuesady, January 5, 1999 16:04 PST

NTSB Narrative Summary Released at Completion of Accident

The pilot stated that he was practicing set downs (landings) on the compass rose and that the last set down was 'a little hard, but not too hard.' He then stated that the helicopter momentarily become airborne and then collided with the ground. The tail rotor struck the ground first, followed by the main skids. No evidence was found to indicate a mechanical failure or malfunction.

NTSB Probable Cause Narrative

The pilot's failure to maintain aircraft control.

Event Information

Type of Event Accident
Event Date 1/5/1999
Event Day of the Week Tuesday
Time of Event 1604
Event Time Zone Pacific Standard Time
Event City HILLSBORO
Event State OREGON
Event Country --
Zipcode of the event site 97124
Event Date Year 1999
Event Date Month 1
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport HILLSBORO
Event Location Nearest Airport ID HIO
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 204
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1553 Pacific Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID HIO
Elevation of weather observation facility 204
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation PST
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) 7
Air Temperature at event time (in degrees celsius) 8
Dew Point at event time (in degress fahrenheit) -14
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Variable
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Unknown
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 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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 22
NTSB Notification Source --
NTSB Notification Date Jan 5 1999 12:00AM
NTSB Notification Time 1910
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 12 2000 11:17AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N605HA
NTSB Number SEA99LA026
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 Robinson
Aircraft Model R-22
Aircraft Series Identifier R-22
Aircraft Serial Number 0439
Certified Max Gross Weight 1370
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Dec 9 1998 12:00AM
Airframe hours since last inspection 59
Airframe Hours 8572
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name HILLSBORO AVIATION
Aircraft Owner Street Address 3565 NE CORNELL RD
Aircraft Owner City HILLSBORO
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97124
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 LGES
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) Instructional
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code HIO
Departure City
Departure State OR
Departure Country
Departure Time 1530
Departure Time Zone PST
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 Landing
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 --