47 CFR 80.1177 - Assignment and use of frequencies.
On-board frequencies are assignable only to ship stations. When an on-board repeater is used, paired frequencies must be used. On-board repeater frequencies must be used for single frequency simplex operations. On-board frequencies are listed in subpart H.
Title 47 published on 2013-10-01
no entries appear in the Federal Register after this date.