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NTSB Report
June 28, 1992 · Danny W Sadek S-12 · N512
Big Bear, CA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
June 28, 1992
Injury Outcomes
2 injuries (2 serious injuries)
Location
Big Bear, CA
Aircraft
Danny W Sadek S-12
Tail Number
N512
Operator
Danny W Sadek
Injuries
Serious
Aircraft Damage
Destroyed
NTSB Number
LAX92LA264
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
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.
Full Narrative
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.
Flight
Event TypeAccident
Event Time10:40 PDT
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftDanny W Sadek S-12
Tail NumberN512
Aircraft CategoryAir
DamageDestroyed
OperatorDanny W Sadek
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsRotax · 503 UL · Reciprocating · 50
Seats2
People & Injuries
Injury Summary2 injuries (2 serious injuries)
Fatal0
Serious2
Minor0
Uninjured0
Total2
Crew 1Age 34 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind240° @ 15 kt
Visibility20 sm
CeilingNone
Temperature / Dew Point68 F / 0 C
Altimeter30.00 inHg
Weather SourceWIT