Aircraft Accident/Incident Report

Chualar, California 93925
Sunday, July 2, 1989 14:00 PDT

NTSB Narrative Summary Released at Completion of Accident

THE EXPERIMENTAL COMPOSITE STRUCTURED ACFT WAS ON A TEST FLT. DRG A SLOW AIRSPEED TEST, IT ENTERED A FLAT SPIN FROM WHICH THE PLT WAS UNABLE TO RECOVER BY USING NORMAL CONTROLS. THE ACFT WAS EQUIPPED WITH A BALLISTIC PARACHUTE. THE PLT DEPLOYED THE CHUTE & SHUT DOWN THE ENG. SUBSEQUENTLY, THE ACFT TOUCHED DOWN WITH A PARACHUTE DESCENT RATE OF ABOUT 1800 FT/MIN. DRG TOUCHDOWN, THE PLT SUFFERED NECK & BACK INJURIES. HE RPRTD THAT DRG THE FLT, ALL FLT CONTROL SURFACES RESPONDED NORMALLY TO HIS CONTROL INPUTS. THE AERODYNAMIC CHARACTERISTICS WHICH PRODUCED THE SPIN WERE NOT IDENTIFIED.

NTSB Probable Cause Narrative

THE EXPERIMENTAL AIRCRAFT'S INADVERTENT ENTRY INTO A NON-RECOVERABLE FLAT SPIN DURING A SLOW AIRSPEED TEST; THE AERODYNAMIC CHARACTERISTICS THAT PRODUCED THE SPIN WERE NOT DETERMINED.

Event Information

Type of Event Accident
Event Date 7/2/1989
Event Day of the Week Sunday
Time of Event 1400
Event Time Zone Pacific Daylight Time
Event City CHUALAR
Event State CALIFORNIA
Event Country --
Zipcode of the event site 93925
Event Date Year 1989
Event Date Month 7
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 0
Weather Briefing Completeness Full
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) 15
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 125
Variable Wind Indicator Unknown
Wind Speed (knots) 15
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 20
Altimeter Setting at event time (in. Hg) 32
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 FAA
NTSB Docket Number (internal use) 1446
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 39744
Date of most recent change to record Dec 13 2000 12:52PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N81D
NTSB Number LAX89DVM04
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 PROGRESS AERO R&D
Aircraft Model DISCOVERY
Aircraft Series Identifier DISCOVERY
Aircraft Serial Number 101
Certified Max Gross Weight 1400
Aircraft Category Airplane
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 Annual
Date of Last Inspection Jun 1 1989 12:00AM
Airframe hours since last inspection 50
Airframe Hours 50
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name PROGRESS AERO R AND D
Aircraft Owner Street Address 813 AIRPORT ROAD
Aircraft Owner City MONTEREY
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 93940
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) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code MRY
Departure City MONTEREY
Departure State CA
Departure Country
Departure Time 1330
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 Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --