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NTSB Report
February 24, 1990 · I C A Brasov 2902.11.01.001 LARK 2902.11.01 · N123MR
Orland, CA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
February 24, 1990
Injury Outcomes
1 injury (1 fatality)
Location
Orland, CA
Aircraft
I C A Brasov 2902.11.01.001 LARK 2902.11.01
Tail Number
N123MR
Operator
Joiner James
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
LAX90LA104
AFTER A TOW RELEASE THE GLIDER WAS OBSERVED DOING TURNS, STALLS AND RECOVERIES WHICH APPEARED NORMAL. IT WAS THEN OBSERVED HEADING STRAIGHT DOWN ROTATING ABOUT ITS LONGITUDINAL AXIS. THE PILOT WAS REPORTEDLY AN EPILEPTIC SUBJECT TO SEIZURES. TOXICOLOGICAL ANALYSIS REVEALED THE DRUG CARBAMAZEPINE PRESENT IN THE BLOOD AND URINE SAMPLES AT THERAPEUTIC LEVELS. THE DRUG IS AN ANTICONVULSANT WHICH CAN RESULT IN DROWSINESS.
NTSB Probable Cause
THE PILOTS LOSS OF AIRCRAFT CONTROL DUE TO THE LIKELIHOOD OF EXPERIENCING AN EPILEPTIC SEIZURE. A FACTOR WHICH MAY HAVE CONTRIBUTED TO THE ACCIDENT WAS THE PILOT'S INGESTION OF AN ANTICONVULSANT DRUG THAT CAUSES DROWSINESS.
Full Narrative
AFTER A TOW RELEASE THE GLIDER WAS OBSERVED DOING TURNS, STALLS AND RECOVERIES WHICH APPEARED NORMAL. IT WAS THEN OBSERVED HEADING STRAIGHT DOWN ROTATING ABOUT ITS LONGITUDINAL AXIS. THE PILOT WAS REPORTEDLY AN EPILEPTIC SUBJECT TO SEIZURES. TOXICOLOGICAL ANALYSIS REVEALED THE DRUG CARBAMAZEPINE PRESENT IN THE BLOOD AND URINE SAMPLES AT THERAPEUTIC LEVELS. THE DRUG IS AN ANTICONVULSANT WHICH CAN RESULT IN DROWSINESS.
Flight
Event TypeAccident
Event Time13:30 PST
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftI C A Brasov 2902.11.01.001 LARK 2902.11.01
Tail NumberN123MR
Aircraft CategoryGli
DamageDestroyed
OperatorJoiner James
Operating RulePart 91
Engines0
Engine TypeUnknown
Engine DetailsUnknown
Seats1
People & Injuries
Injury Summary1 injury (1 fatality)
Fatal1
Serious0
Minor0
Uninjured0
Total1
Crew 1Age 53 · None
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility20 sm
CeilingNone
Temperature / Dew Point0 C / 0 C
Altimeter0
Weather SourceWIT