Aircraft Accident/Incident Report

Enumclaw, Washington 98022
Sunday, June 25, 1995 9:30 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT SAID THAT SHORTLY AFTER TAKEOFF, WHILE CLIMBING THROUGH 300-400 FT, THE ENGINE SURGED. HE REDUCED COLLECTIVE AND EXECUTED AN AUTOROTATION, AND STATED THAT HE SHUT OFF THE MAGNETOS AND ATTEMPTED AN UNSUCCESSFUL RESTART. THE HELICOPTER SUSTAINED SUBSTANTIAL DAMAGE DURING THE HARD LANDING WITH SOME FORWARD VELOCITY. THE REASON FOR THE POWER SURGE WAS NOT DETERMINED.

NTSB Probable Cause Narrative

A POWER SURGE FOR UNDETERMINED REASONS, AND THE PILOT'S MISJUDGEMENT OF DISTANCE AND ALTITUDE DURING THE AUTOROTATION.

Event Information

Type of Event Accident
Event Date 6/25/1995
Event Day of the Week Sunday
Time of Event 930
Event Time Zone Pacific Daylight Time
Event City ENUMCLAW
Event State WASHINGTON
Event Country --
Zipcode of the event site 98022
Event Date Year 1995
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 950 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 290
Weather Observation Facility ID SEA
Elevation of weather observation facility 429
Distance of event from weather observation facility (units?) 18
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 50
Air Temperature at event time (in degrees celsius) 18
Dew Point at event time (in degress fahrenheit) 9
Wind Direction (degrees magnetic) 50
Variable Wind Indicator Unknown
Wind Speed (knots) 4
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) 1084
NTSB Notification Source --
NTSB Notification Date Jun 25 1995 12:00AM
NTSB Notification Time 1026
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 7 2000 4:21PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N336CS
NTSB Number SEA95LA129
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 SAGERSER
Aircraft Model ROTORWAY EXECUTIVE
Aircraft Series Identifier ROTORWAY E
Aircraft Serial Number 3448
Certified Max Gross Weight 1290
Aircraft Category Helicopter
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
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 Continuous Airworthiness
Date of Last Inspection May 28 1995 12:00AM
Airframe hours since last inspection 20
Airframe Hours 65
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name HILL, ROY, A. C.
Aircraft Owner Street Address 22801 OLD BUCKLEY HIGHWAY
Aircraft Owner City BUCKLEY
Aircraft Owner State WA
Aircraft Owner Country
Aircraft Owner Zipcode 98321
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 No
Departure Airport Code WN87
Departure City BUCKLEY
Departure State WA
Departure Country
Departure Time 920
Departure Time Zone PDT
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 Climb
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 --