ASN Wikibase Occurrence # 41068
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| Date: | Tuesday 28 September 1993 |
| Time: | 12:23 LT |
| Type: |  ERCO 415-CD Ercoupe |
| Owner/operator: | William T. Priddy |
| Registration: | N4576B |
| MSN: | 4219 |
| Total airframe hrs: | 2421 hours |
| Engine model: | CONTINENTAL C-75-12F |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Charles City, VA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Williamsburg, VA (JGG |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRPLANE WAS ON A VFR LOCAL FLIGHT WHEN AN IN-FLIGHT BREAK-UP OCCURRED. WRECKAGE WAS SCATTERED OVER A HALF SQUARE MILE AREA. THERE WAS EVIDENCE THAT THE CENTER SECTION BEAM ASSEMBLY (ATTACHED TO THE WINGS FRONT SPARS) FAILED IN POSITIVE OVERLOAD. ALL FRACTURE SURFACES EXHIBITED FEATURES TYPICAL OF OVERSTRESS. PRIMARY RADAR RETURNS ( REFLECTION OF RADAR SIGNAL WHICH INDICATE A TWO DIMENSIONAL POSITION IN SPACE -RANGE AND AZIMUTH) WERE THE ONLY DATA RECORDED FOR THE AIRPLANE. SECONDARY DATA, WHICH REPORTS THE ALTITUDE OF AN AIRPLANE, WERE NOT RECORDED. NO OTHER AIRCRAFT WERE RECORDED ON RADAR NEAR THE ACCIDENT AREA AT THE TIME OF THE ACCIDENT. AT THE TIME OF THE ACCIDENT, THERE WERE NO SIGNIFICANT WEATHER REPORTS ISSUED FOR THE ACCIDENT AREA. THE POST ACCIDENT EXAMINATIONS OF THE AIRFRAME AND ENGINE DID NOT REVEAL ANY ANOMALIES. AT THE TIME OF THE ACCIDENT, THE AIRPLANE HAD ACCUMULATED A TOTAL FLIGHT TIME OF 2,2421 HOURS AND HAD A 100 HOUR INSPECTION ABOUT 71 HOURS PRIOR TO THE ACCIDENT.
Probable Cause: the pilot exceeded the design stress limits of the airplane which resulted in an in-flight break-up.
Accident investigation:
 |
|
Sources:
NTSB BFO93FA188
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 10:58 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Source, Narrative, Category, Accident report] |
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