Sandy River Airport
Aircraft Accident/Incident Report

Sandy, Oregon 97055
Friday, July 27, 2012 18:30 PDT

NTSB Narrative Summary Released at Completion of Accident

The pilot had been flying the airplane for about 1 hour before the accident. He landed, shut down the engine, boarded new passengers, and restarted the engine. The total time from shut down to start up was about 5 minutes. He stated that the airplane's engine performed normally during run-up and takeoff. After takeoff, about 300 to 400 feet above ground level, the engine began to lose power. The pilot made a hard right turn and landed in an open field. The airplane impacted a fence post with its right wing during the landing roll. An engine examination revealed that the engine did not have a carburetor heat system installed. The subsequent engine test run on the airframe confirmed that a partial loss of engine power occurred after about 1.5 minutes of operation. The temperature, dew point, and relative humidity were nearly identical during the engine test run and the accident event. A carburetor icing chart indicated the possibility of serious carburetor icing at cruise power at the reported atmospheric conditions. The engine was removed from the airframe, examined, and tested at an engine tech services facility. During the engine test run the engine performed at various power levels for 28 minutes without degraded power output. The atmospheric conditions during this test were significantly different than the conditions at the time of the accident. The engine inspection concluded that there were no anomalies that would have precluded normal operation.

NTSB Probable Cause Narrative

A partial loss of engine power during takeoff due to carburetor icing. Contributing to the accident was the lack of a carburetor heat system installed on the airplane.

Event Information

Type of Event Accident
Event Date 7/27/2012
Event Day of the Week Friday
Time of Event 1830
Event Time Zone Pacific Daylight Time
Event City Sandy
Event State OREGON
Event Country --
Zipcode of the event site 97055
Event Date Year 2012
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 352405N
Event Location Longitude 1221343W
Event Location Airport Sandy River
Event Location Nearest Airport ID 03S
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 --
Airport Elevation 704
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1853 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 120
Weather Observation Facility ID KTTD
Elevation of weather observation facility 39
Distance of event from weather observation facility (units?) 12
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height 4400
Sky/Lowest/Cloud Conditions Few
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) 13
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator Calm
Wind Gust Indicator --
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30.06
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report KTTD 280153Z 00000KT 10SM -RA FEW044 21/13 A3006 R
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 32485
NTSB Notification Source FAA Operations Center
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Jan 8 2014 9:18PM
User who most recently changed record mckv
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N582YB
NTSB Number WPR12LA329
Missing Aircraft Indicator --
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 INTERPLANE
Aircraft Model SKYBOY EX
Aircraft Series Identifier --
Aircraft Serial Number 06192001735
Certified Max Gross Weight 1000
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats 1
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 Annual
Date of Last Inspection Jul 9 2012 12:00AM
Airframe hours since last inspection 4.5
Airframe Hours 160
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name David Richards
Aircraft Owner Street Address --
Aircraft Owner City Eagle Creek
Aircraft Owner State OR
Aircraft Owner Country USA
Aircraft Owner Zipcode 97022
Operator is an individual? No
Operator Name Jason Emonds
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address --
Operator City Portland
Operator State OR
Operator Country USA
Operator Zip code 97209
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
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 No
Departure Airport Code 03S
Departure City Sandy
Departure State OR
Departure Country USA
Departure Time 1830
Departure Time Zone PDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code 03S
Destination City Sandy
Destination State OR
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 8 2014 9:15PM
User who most recently changed record mckv
Since inspection or accident Last Inspection
Event Location Runway Number and Location 08
Runway Length 2115
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --