PANAMA CITY, FL, USA
N25PA
LAKE LA-4
WHILE ON THE DOWNWIND LEG AFTER THE STUDENT POSITIONED THE PROPELLER CONTROL TO THE HIGH RPM POSITION, THE CFI STATED THAT HE HEARD A LOUD NOISE & THE ENG EXPERIENCED A LOSS OF POWER. THE CFI TOOK CONTROL OF THE ACFT, IMMEDIATELY INITIATED A DESCENT, POSITIONED THE PROPELLER CONTROL TO THE LOW RPM POSITION, BUT NEVER LOOKED AT THE ENG INSTRUMENTS. WHILE DESCENDING THE ACFT COLLIDED WITH TREES, THEN CAME TO REST INVERTED ON THE GROUND. THE ACFT WAS EXAMINED WHICH REVEALED FUEL QUANTITY SUFFICIENT TO SUSTAIN ENG OPERATION. THE ENG WAS REMOVED FOR FURTHER EXAMINATION WHICH REVEALED NO EVIDENCE OF PRE-IMPACT FAILURE OR MALFUNCTION. THE PROP & PROP GOVERNOR WERE REMOVED FOR EXAM WHICH REVEALED NO EVIDENCE OF PREIMPACT FAILURE OR MALFUNCTION. NO DETERMINATION COULD BE MADE AS TO THE REASON FOR THE REPORTED LOSS OF POWER.
LOSS OF POWER DUE TO UNDETERMINED REASONS. CONTRIBUTING TO THE ACCIDENT WAS THE CFI'S INADEQUATE EMERGENCY PROCEDURES FOLLOWING THE REPORTED LOSS OF POWER.
Source: NTSB Aviation Accident Database
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