San Diego Ultra-Light Airport
Aircraft Accident/Incident Report

Ramona, California 92065
Wednesday, July 20, 1983 9:21 PDT

NTSB Narrative Summary Released at Completion of Accident

AFTER RECEIVING DUAL INSTRUCTION IN A 2 PLACE, TRAINING VEHICLE, THE PLT TOOK OFF ON A SOLO FLT FROM A 270 X 25 FT ULTRALIGHT STRIP. HE REPORTED THAT AFTER LIFT-OFF, THE VEHICLE STARTED DRIFTING TOWARD A TREE. HE INITIATED A TURN TO THE RIGHT (AWAY FROM THE TREE); BUT THE VEHICLE BEGAN LOSING LIFT & SUBSEQUENTLY CRASHED IN A NOSE HIGH, SLIGHTLY RIGHT WING LOW ATTITUDE. THE PLT REPORTED THAT THE ENG OPERATED NORMALLY & THAT HE DID NOT USE THE SPOILERONS. HOWEVER, WITNESSES OBSERVED THE VEHICLE IN AN ERRATIC YAW & REPORTED SEEING EXTENSION ON THE RIGHT SPOILERON & LEFT RUDDER DEFLECTION, THEN LATER SAW THE LEFT SPOILERON EXTEND. THE PLT'S INSTRUCTOR CALLED ON THE RADIO TO RETRACT THE SPOILERONS& INCREASE POWER, BUT THE PLT STATED HE DID NOT HEAR THE TRANSMISSION. THE PLT STATED THAT HIS DUAL TRAINING, DURING THEPRECEEDING 2 MONTHS, CONSISTED OF TAKEOFFS & LANDINGS ONLY, AND THAT HE WAS NOT TAUGHT TO USE SPOILERONS AND/OR STALL & SLIP MANEUVERS. THE 2 PLACE ULTRALIGHT, USED FOR DUAL TRAINING, WAS NOT EQUIPPED WITH SPOILERONS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/20/1983
Event Day of the Week Wednesday
Time of Event 921
Event Time Zone Pacific Daylight Time
Event City RAMONA
Event State CALIFORNIA
Event Country --
Zipcode of the event site 92065
Event Date Year 1983
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SAN DIEGO ULTRA-LIGHT
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 1800
Weather Briefing Completeness Not pertinent
Investigator's weather source Witness
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 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) 20
Air Temperature at event time (in degrees celsius) 24
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) 2629
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 22933
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 LAX83FU011
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 EIPPER
Aircraft Model MX
Aircraft Series Identifier MX
Aircraft Serial Number
Certified Max Gross Weight --
Aircraft Category Ultralight
Aircraft Registration Class Not Registered
Aircraft is a homebuilt? Yes
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 --
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name WILLIAM JENNER-JOHN HOOSE
Aircraft Owner Street Address P.O. BOX 610
Aircraft Owner City ROMONA
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 92065
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 Yes - certificate holder
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) Instructional
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
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 Takeoff
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 27
Runway Length 270
Runway Width 25
Sight Seeing flight No
Air Medical Flight No
Medical Flight --