ASN Wikibase Occurrence # 290654
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| Date: | Wednesday 26 March 2014 |
| Time: | 17:00 LT |
| Type: | Unknown |
| Owner/operator: | Emerito Guzman |
| Registration: | UNREG |
| MSN: | N/A |
| Engine model: | Volkswagen unk |
| Fatalities: | Fatalities: / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Patillas, Puerto Rico -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Patillas, PR (X64) |
| Patillas, PR (X64) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The accident flight was reportedly the pilot's first flight in the unregistered airplane. There were no witnesses to the accident; the airplane was found about 750 ft from the runway threshold on an approximate 45-degree angle from the runway. Although there were no witnesses or other recorded data available documenting the moments leading up to the accident, the location of the wreckage in relation to the runway suggested that the airplane might have been turning from the base to the final leg of the airport traffic pattern when the accident occurred. The orientation of the wreckage was consistent with the airplane having been in an aerodynamic stall/spin at impact.
Postaccident examination of the airframe and engine revealed no evidence of any preimpact mechanical malfunctions or anomalies. Paperwork recovered from the pilot's home indicated that the airplane was based on a commercially available set of plans for an ultralight aircraft and that the pilot used these plans when he constructed the airplane. However, he made modifications that could have resulted in unanticipated adverse handling characteristics. Federal Aviation Administration guidance on amateur-built aircraft recommends developing a flight test plan to detect any hazardous operating characteristics and to determine the airplane's performance and operating envelope; however, no documents were located indicating that the pilot had developed or intended to perform a flight test plan.
Probable Cause: The pilot's failure to maintain airplane control during approach for landing, which resulted in a stall/spin.
Accident investigation:
 |
|
Sources:
NTSB ERA14LA174
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 06-Oct-2022 17:44 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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