Coast Guard, DHS § 88.01 The diameter of the mouth of the bell (i) VHF channel 70, or shall be not less than 300 mm for ves- (ii) MF/HF on the frequencies 2187.5 sels of 20 meters or more in length. kHz, 8414.5 kHz, 4207.5 kHz, 6312 kHz, Where practicable, a power-driven bell 12577 kHz or 16804.5 kHz; striker is recommended to ensure con- (m) A ship-to-shore distress alert stant force but manual operation shall transmitted by the ship’s Inmarsat or be possible. The mass of the striker other mobile satellite service provider shall be not less than 3 percent of the ship earth station; mass of the bell. (n) Signals transmitted by emer- gency position-indicating radio bea- § 86.03 Approval. [Reserved] cons; (o) Signals transmitted by PART 87—ANNEX IV: DISTRESS radiocommunication systems, includ- SIGNALS ing survival craft radar transponders meeting the requirements of 47 CFR Sec. 80.1095; and 87.01 Need of assistance. (p) A high intensity white light flash- 87.02 Exclusive use. ing at regular intervals from 50 to 70 87.03 Supplemental signals. times per minute. AUTHORITY: Sec. 303, Pub. L. 108–293, 118 Stat. 1042 (33 U.S.C. 2071); Department of § 87.02 Exclusive use. Homeland Security Delegation No. 0170.1. The use or exhibition of any of the SOURCE: 79 FR 37925, July 2, 2014, unless foregoing signals except for the pur- otherwise noted. pose of indicating distress and need of assistance and the use of other signals § 87.01 Need of assistance. which may be confused with any of the The following signals, used or exhib- above signals is prohibited. ited either together or separately, indi- cate distress and need of assistance: § 87.03 Supplemental signals. (a) A gun or other explosive signal Attention is drawn to the relevant fired at intervals of about a minute; sections of the International Code of (b) A continuous sounding with any Signals, the International Aero- fog-signaling apparatus; nautical and Maritime Search and Res- (c) Rockets or shells, throwing red cue Manual, Volume III, the Inter- stars fired one at a time at short inter- national Telecommunication Union vals; Radio Regulations and the following (d) A signal made by any method con- signals: sisting of the group . –––... (a) A piece of orange-colored canvas (SOS) in the Morse Code; with either a black square and circle or (e) A signal sent by radiotelephony other appropriate symbol (for identi- consisting of the spoken word ‘‘May- fication from the air); day’’; (b) A dye marker. (f) The International Code Signal of distress indicated by N.C.; PART 88—ANNEX V: PILOT RULES (g) A signal consisting of a square flag having above or below it a ball or Sec. anything resembling a ball; 88.01 Purpose and applicability. (h) Flames on the vessel (as from a 88.03 Definitions. burning tar barrel, oil barrel, etc.); 88.05 Law enforcement vessels. (i) A rocket parachute flare or a hand 88.07 Public safety activities. flare showing a red light; AUTHORITY: Sec. 303, Pub. L. 108–293, 118 (j) A smoke signal giving off orange- Stat. 1042 (33 U.S.C. 2071); Department of colored smoke; Homeland Security Delegation No. 0170.1. (k) Slowly and repeatedly raising and SOURCE: 79 FR 37925, July 2, 2014, unless lowering arms outstretched to each otherwise noted. side; (l) A distress alert by means of dig- § 88.01 Purpose and applicability. ital selective calling (DSC) transmitted This part applies to all vessels oper- on: ating on United States inland waters 225 VerDate Sep<11>2014 10:19 Sep 01, 2020 Jkt 250137 PO 00000 Frm 00235 Fmt 8010 Sfmt 8010 Q:\33\33V1.TXT PC31 kpayne on VMOFRWIN702 with $$_JOB.