Aircraft Accident/Incident Report

Penn Valley, California 95946
Sunday, August 21, 1983 7:30 PDT

NTSB Narrative Summary Released at Completion of Accident

THE ULTRALIGHT VEHICLE COLLIDED WITH A TREE AFTER A POWER LOSS DURING TAKEOFF CLIMB. THE PILOT STATED THAT HE ACCOMPLISHED A NORMAL PREFLT AND WALKED OVER THE FIELD BEFORE HIS FIRST TAKEOFF. AFTER TAKEOFF, ALL WENT WELL FOR ABOUT 1 MINUTE THEN A POWER LOSS AND A LOSS OF RUDDER CONTROL WERE EXPERIENCED. THE ULTRALIGHT PITCHED UNCONTROLLABLY DOWNWARD THEN CLIPPED THE TOP OF A 60 FT TREE. THE PILOT & VEHICLE FELL VERTICALLY TO THE GROUND & IMPACTED IN A NOSE LOW PITCH ATTITUDE. THE PILOT HAD 12 HRS TOTAL FLYING TIME, ALL IN THE SUBJECT VEHICLES. THE REASON FOR THE LOSS OF POWER WAS NOT DETERMINED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/21/1983
Event Day of the Week Sunday
Time of Event 730
Event Time Zone Pacific Daylight Time
Event City PENN VALLEY
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95946
Event Date Year 1983
Event Date Month 8
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 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Not pertinent
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 3000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 25
Air Temperature at event time (in degrees celsius) 18
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1557
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 21892
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number NONE
NTSB Number LAX83LU012
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 103: Ultralight
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Manta Products
Aircraft Model FLEDGE 2B-FOXBAT
Aircraft Series Identifier FLEDGE 2B-
Aircraft Serial Number 1160
Certified Max Gross Weight 450
Aircraft Category Ultralight
Aircraft Registration Class Not Registered
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours 75
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name TERRY MURPHY
Aircraft Owner Street Address P.O. BOX 222
Aircraft Owner City PENN VALLEY
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 95946
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 Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 729
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 Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Oct 22 2001 3:26PM
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 --