NTSB Identification: SEA92LA188.
The docket is stored on NTSB microfiche number 47927.
Accident occurred Monday, August 24, 1992 in SNOQUALMIE, WA
Probable Cause Approval Date: 05/26/1993
Aircraft: LUSCOMBE 8A, registration: N71183
Injuries: 1 Serious.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PILOT DEPARTED THE AIRSTRIP TO THE WEST INTENDING TO FLY ONLY 3 TO 5 MINUTES. IMMEDIATELY FOLLOWING TAKEOFF HE BLACKED OUT AND THE AIRCRAFT ENTERED A RIGHT SPIRAL UNTIL IMPACTING THE GROUND. THE PILOT, WHO WAS TAKING A BLOOD GLUCOSE LOWERING MEDICATION (GLUCOTROL) FOR A MILD DIABETIC CONDITION, HAD JUST EATEN A LARGE BREAKFAST.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

THE PILOT'S NOT MAINTAINING CONTROL OF THE AIRCRAFT BECAUSE OF INCAPACITATION RESULTING FROM BOTH HYPOGLYCEMIA/DIET AND LOSS OF CONSCIOUSNESS.

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