Aircraft Accident/Incident Report

Big Bear, California 92315
Sunday, June 28, 1992 10:40 PDT

NTSB Narrative Summary Released at Completion of Accident

AIRPORT EMPLOYEES OBSERVED THE AIRCRAFT TAKEOFF ON RUNWAY 25 AND ACHIEVE AN ALTITUDE OF ABOUT 50 FEET ABOVE THE GROUND. THE WITNESSES REPORTED THAT THE AIRCRAFT SEEMED TO BE 'STRUGGLING' AS IT FLEW DOWN THE RUNWAY AT THAT ALTITUDE. ABOUT ONE HALF MILE BEYOND THE END OF THE RUNWAY THE AIRCRAFT WAS OBSERVED TO BEGIN A LEFT TURN, STALL, THEN FALL OFF ON THE LEFT WING AND HIT THE GROUND NOSE FIRST. BASED ON THE TEMPERATURE AND PRESSURE ALTITUDE REPORTED BY THE AIRPORT WORKERS, THE DENSITY ALTITUDE FOR THE 6,820 FOOT HIGH AIRPORT WAS CALCULATED TO BE IN EXCESS OF 8,800 FEET. THE PILOT REPORTED THAT HE HAD A TOTAL TIME OF 130 HOURS, WITH 49 ACCUMULATED IN THE EXPERIMENTAL HOME BUILT AIRCRAFT.

NTSB Probable Cause Narrative

THE PILOT'S FAILURE TO MAINTAIN AN ADEQUATE AIRSPEED AND THE INADVERTENT ENTRY INTO A STALL/MUSH CONDITION. FACTORS IN THE ACCIDENT WERE THE HIGH DENSITY ALTITUDE CONDITION AND THE PILOTS LIMITED TOTAL EXPERIENCE.

Event Information

Type of Event Accident
Event Date 6/28/1992
Event Day of the Week Sunday
Time of Event 1040
Event Time Zone Pacific Daylight Time
Event City BIG BEAR
Event State CALIFORNIA
Event Country --
Zipcode of the event site 92315
Event Date Year 1992
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 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
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) 20
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Unknown
Wind Speed (knots) 15
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 8800
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 2
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 443
NTSB Notification Source --
NTSB Notification Date Jun 28 1992 12:00AM
NTSB Notification Time 1804
Fiche Number and/or location -used to find docket information 46622
Date of most recent change to record Dec 11 2000 3:00PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N512
NTSB Number LAX92LA264
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name DANNY W. SADEK
Aircraft Model S-12
Aircraft Series Identifier S-12
Aircraft Serial Number 0491072
Certified Max Gross Weight 960
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 Feb 28 1992 12:00AM
Airframe hours since last inspection 49
Airframe Hours 49
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name DANNY W. SADEK
Aircraft Owner Street Address 2514 WANEK ROAD #C
Aircraft Owner City ESCONDIDO
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 92027
Operator is an individual? --
Operator Name DANNY W. SADEK
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 2514 WANEK ROAD #C
Operator City ESCONDIDO
Operator State CA
Operator Country
Operator Zip code 92027
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 Yes
Departure Airport Code L35
Departure City
Departure State
Departure Country
Departure Time 1035
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code L39
Destination City RAMONA
Destination State CA
Destination Country
Specific Phase of Flight Takeoff
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 --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --