ASN Wikibase Occurrence # 43278
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| Date: | Sunday 5 July 1987 |
| Time: | 14:50 |
| Type: | Monnett Monerai S |
| Owner/operator: | private |
| Registration: | N54MS |
| MSN: | 0006 |
| Total airframe hrs: | 255 hours |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Springfield, VT -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Manchester, NH (MHT) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE MONERAI 'S' (N54MS, A PWRD GLIDER) EXPERIENCED AN INFLT FAILURE OF THE LEFT WING SPAR & CRASHED. AN INVESTIGATION REVEALED THE ACFT WAS BEING OPERATED IN EXCESS OF ITS MAX GROSS WT LIMIT OF 450 LBS. THE PLT OF AN UNPOWERED MONERAI SAID HE & 3 OTHERS (INCLUDING THE PLT OF N54MS) WERE FLYING IN A THERMAL WHEN HE NOTED A SUDDEN, SHARP 'UP-GUST.' HE DESCRIBED THIS 'UP-GUST' AS BEING STRONGER THAN ANY HE HAD EVER EXPERIENCED IN 5 YRS OF FLYING HIS GLIDER. HE HAD SEEN N54MS IN THE SAME THERMAL, BUT WAS NOT OBSERVING IT WHEN THE ACDNT OCCURRED. A GROUND WITNESS SAW N54MS DESCENDING OUT OF CONTROL WITH THE APPEARANCE OF BOTH WINGS POINTING UPWARD. A METALLURGICAL EXAM REVEALED THE LEFT WING SPAR HAD FAILED FROM OVERLOAD. CAUSE:
Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X31623
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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