The UK CAA provides detailed information on the bowtie method, how-to examples for new users, templates, and other valuable safety guidance materials.
https://www.caa.co.uk/Safety-Initiatives-and-Resources/Working-with-industry/Bowtie/
Safety Data Collection and Processing Toolkits
701 N. Fairfax Street,
Suite 250,
Alexandria, VA 22314 USA
Phone: +1-703-739-6700
Fax: +1-703-739-6708
Web: flightsafety.org
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