ASN Wikibase Occurrence # 364401
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| Date: | Thursday 10 October 1991 |
| Time: | 14:32 LT |
| Type: |  Lake LA-4 |
| Owner/operator: | Panama Aviation |
| Registration: | N25PA |
| MSN: | 427 |
| Total airframe hrs: | 1253 hours |
| Engine model: | LYCOMING O-360-A1A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Panama City, FL -
 United States of America
|
| Phase: | Approach |
| Nature: | Training |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
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.
Probable Cause: LOSS OF POWER DUE TO UNDETERMINED REASONS. CONTRIBUTING TO THE ACCIDENT WAS THE CFI'S INADEQUATE EMERGENCY PROCEDURES FOLLOWING THE REPORTED LOSS OF POWER.
Accident investigation:
 |
|
Sources:
NTSB MIA92LA009
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Mar-2024 14:41 | ASN Update Bot | Added |
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