Gin Gliders have issued the following safety notice:
Concerning Boomerang Sport & Yeti 08.
As written in the owner’s manual, the competition models (Boomerang Sport and Boomerang) should be regularly checked, at least every 100 hours of flight or every year.Similarly for the Yeti: pilots have to check their wing after every 50 hours of flight or every year.
There are additional specific instructions regarding competition Boomerangs, please refer to the user manual:http://www.gingliders.com/downloads/manual.php
We insist that pilots respect these inspection intervals as these gliders are very sensitive to any changes in the line’s breaking strength and/or total line length.
The aerodynamics, performance and safety of these models can be affected by changes outside the tolerances set out in the Maintenance Instructions: http://www.gingliders.com/downloads/manual.php
During inspections of Boomerang Sports with 100s of hours of use, we have found that some gliders have lines that have changed outside the tolerances we set for length.
After 100 hours+, some middle lines using material “LIROS DC 120” can shrink. The changes occur mainly on the D and brake lines.
This line shrinkage can be easily detected during the normal line length check as part of the required inspection after 100 hours or 1 year.
As a precaution, we have decided to offer replacement middle and upper line sets, free of charge, to all owners of Boomerang Sports and Yeti 08s that are fitted with LIROS DC 120 and DC 60.
Please contact your GIN distributor or dealer.
Gin staff
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Gin Gliders Inc.
586-5 Ilsan-Ri, Mohyun-Myun,
Yongin-city, Kyunggi-Do, 449-855, Korea
www.gingliders.com
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