Craftsmanship Events « U.S. Model Rocket Sporting Code US Model Rocket Sporting Code Rules Revision Process Form About the Sporting Code List of Changes NAR Contest Board Directory Model Rocket Safety Code Introduction Competition Altitude Events Payload Events Duration Events Craftsmanship Events Miscellaneous Events Provisional Events Appendix Scale rules Scale Altitude rules Super Scale Sport Scale rules Space Systems Plastic Model Conversion rules Concept Scale rules Classic Model rules