Title 33
SECTION 87.03
87.03 Supplemental signals.
§ 87.03 Supplemental signals.Attention is drawn to the relevant sections of the International Code of Signals, the International Aeronautical and Maritime Search and Rescue Manual, Volume III, the International Telecommunication Union Radio Regulations and the following signals:
(a) A piece of orange-colored canvas with either a black square and circle or other appropriate symbol (for identification from the air);
(b) A dye marker.