Proposed Air Tour Routes for the Grand Canyon National Park

Resumen

This notice announces the availability of and requests comments on proposed commercial air tour routes for the Grand Canyon National park (GCNP). The proposed commercial air tour routes are not being published in today's Federal Register because they are on very large and very detailed charts that would not publish well in the Federal Register. The proposed new routes, or modifications of existing commercial air tour routes, are related to airspace changes contained in a final rule affecting the special flight rules in the vicinity of GCNP and issued concurrently with this notice. The proposed commercial air tour routes are also related to a Notice of Proposed Rulemaking (NPRM) proposing the phase out of noisier aircraft operating in the vicinity of GCNP, also issued concurrently with this notice.