ASN Wikibase Occurrence # 65444
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| Date: | Sunday 13 May 2007 |
| Time: | 15:30 |
| Type: |  Grob G103 Twin Astir |
| Owner/operator: | Private |
| Registration: | N39783 |
| MSN: | 3805 |
| Total airframe hrs: | 3070 hours |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Franconia, NH -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Franconia, NH (1B5) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
After about 2.5 hours of soaring in the Burkhart Grob Flugzeugbau G-103 glider, the pilot returned to the airport and entered the traffic pattern at 1,200 feet with a "small amount" of spoilers deployed. He turned onto the downwind leg at 800 feet, and used "more spoilers" to descend to 500 feet. He then turned onto the base leg, and at 300 feet and 60 knots airspeed, he turned onto the final leg of the approach and aligned the glider with the runway. He immediately felt the glider had entered rising air, so he performed a full slip with the spoilers deployed; however, the glider did not descend significantly. The pilot waited for the glider to exit the rising air mass, and it continued to descend moderately until about mid-field, when it descended rapidly. The glider touched down about 3/4 down the runway and bounced back into the air. Due to a pile of debris at the end of the runway, the pilot elected to close the spoilers, overfly the debris, and land the glider in the treetops ahead at a slow speed. Before he could accomplish his plan, a crosswind blew the glider towards a tree. The left wing contacted the tree, and the glider subsequently impacted the ground.
Probable Cause: The pilot's failure to obtain the proper touchdown point. A factor in the accident was an encounter with an updraft while on approach.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20070615X00737&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Jun-2009 06:54 | David Colclasure | Added |
| 09-Jun-2009 06:55 | harro | Updated |
| 29-Nov-2009 09:08 | Alpine Flight | Updated |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 04-Dec-2017 18:38 | ASN Update Bot | Updated [Cn, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
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