Map of Local Turnpoints Zoomed In
Detailed Map of All Turnpoints
Simple Map of All Turnpoints
The Butler Turn Point file has 141 turn points, including those needed for FAI Triangles, as well as Out & Return flights for Records & Badges. There are close in turn points for teaching cross country to students, while staying close to home. It has 746 total points. 141 turn points. The rest are non turn points = 605 for landouts!
We've realized that often when that really great day comes a pilot's imagination is limited by the waypoints loaded into their GPS ...so we have expanded boundaries to allow for exceptional flights when the opportunity arises.
Downloadable files are on the Turn Point Exchange: http://soaringweb.org/TP/Butler/
Alternate "shorter" lists for older Cambridge flight recorders and other "Jurassic GPS" systems. Use this only if you prefer a smaller file with few turn points. You are welcome to use these, or cut your own down from those on the TP exchange server. Files are zip compressed.
Less than 250 points. Sufficient for all GTA contests. Goes out to ~97miles. TBD / not yet available.
We've put considerable effort into checking the points in the database we've distributed. In doing so, we've made numerous corrections that are likely to be helpful (such as eliminating some airfields that are not safely landable, and correcting coordinates that were wrong). Unfortunately, we are confident that perfection has not and cannot be achieved. We will neither withhold useful information from pilots, nor accept responsibility for any decision that properly belongs to a pilot in command, including that of evaluating the safety of any potential landing site. No landing site whether an airport or otherwise can be deemed suitable or available other than the pilot in command.
Plan your own adventure, some ideas are on the task page
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Last modified 27-Feb-2020 by CR