ASN Wikibase Occurrence # 70273
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| Date: | Monday 7 March 1988 |
| Time: | 16:30 |
| Type: |  Schleicher K 8B |
| Owner/operator: | Donald C Crosby |
| Registration: | N4663S |
| MSN: | 8213 |
| Total airframe hrs: | 2957 hours |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Miami, Florida -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Miami, Florida |
| Miami, Florida | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
THE PILOT STATED THAT HE HAD PLACED THE GLIDER INTO A MILD DIVE & WAS INDICATING 90 TO 95 MPH, WELL BELOW "RED LINE" SPEED WHEN THE WHOLE SECTION OF THE TRAILING EDGE OF THE WING FROM THE AFT SPAR & WING ROOT OUT TO A DISTANCE OF ABOUT 6 FEET, SEPARATED FROM THE AIRCRAFT. THE PILOT WAS ABLE TO LAND WITHOUT FURTHER INCIDENT. ALTHOUGH MOST OF THE FAILED PIECES FELL FROM THE AIRCRAFT & WERE NOT RECOVERED, AN EXAMINATION OF THE WING ROOT RIB REVEALED THAT IT HAD FAILED. THE WING SPOILER ATTACHMENT BRACKET FOR THE SPOILER BELL CRANK IS ATTACHED TO THE FAILED RIB.
THE PILOT STATED THAT THE SPOILERS FLEW OPEN INADVERTENTLY DURING OR IMMEDIATELY AFTER THE FAILURE OCCURRED. THE REASON FOR THE FAILURE COULD NOT BE DETERMINED. THE AIRCRAFT IS CONSTRUCTED ENTIRELY OF WOOD.
Sources:
1. NTSB Identification: MIA88LA121 at https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001213X25301&key=1&queryId=7cf497b5-1bf1-421a-ba9a-8e748b8cc864&pgno=1&pgsize=100
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=4663S
3. http://rcawsey.co.uk/K8.htm
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Dec-2009 23:45 | DColclasure | Added |
| 02-Jul-2015 04:34 | Dr. John Smith | Updated [Cn, Operator, Location, Nature, Departure airport, Destination airport, Source, Damage, Narrative] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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