Final answer:
Activities that present a hazard to air navigation and safety of nonparticipants require coordination with the appropriate authorities and/or NOTAM issuance. Aviation authorities shall ensure proper coordination is accomplished.
Step-by-step explanation:
Activities that present a hazard to air navigation and safety of nonparticipants require coordination with the appropriate authorities and/or NOTAM issuance for potential de-confliction and, if necessary, NOTAM issuance.
Aviation authorities shall ensure proper coordination is accomplished.