NTSB Identification: SEA85LA128.
The docket is stored on NTSB microfiche number 27950.
Accident occurred Wednesday, June 05, 1985 in ORLAND, CA
Aircraft: de Havilland DH 82A TIGER MOTH, registration: N99108
Injuries: 2 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 PLT REPORTED THAT DURING A LOOP, THE ENG LOST POWER, THEN THE ACFT ENTERED AN INVERTED SPIN. HE SAID THAT HE HAD GOTTEN OUT OF THE INVERTED SPIN & WAS RECOVERING FROM A REGULAR SPIN WHEN THE ACFT STRUCK THE GROUND. ACCORDING TO A WITNESS, THE PLT ENTERED THE MANEUVER FROM A VERY LOW ALTITUDE & THE ENG STALLED AS THE ACFT WAS GOING STRAIGHT UP. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND. THE PLT WAS OBSERVED CONSUMING SEVERAL BEERS PRIOR TO THE ACDNT. A BLOOD TEST SHOWED THAT HE HAD AN ALCOHOL LEVEL OF 0.145%.

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

JUDGMENT..POOR..PILOT IN COMMAND

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

IMPAIRMENT(ALCOHOL)..PILOT IN COMMAND

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

AIRCRAFT HANDLING..NOT MAINTAINED..PILOT IN COMMAND

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

STALL/SPIN..INADVERTENT..PILOT IN COMMAND


Contributing Factors

PROPER ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND

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