Mariners are advised to exercise extreme care in navigating within these areas. No vessel may enter this area unless it is entering or departing the Los Angeles or Long Beach main channels. Vessels shall pass directly through without stopping or loitering unless stopping is for taking on a pilot. To receive information regarding the movement of vessels in the traffic separation schemes and the precautionary area contact the Vessel Traffic Service. The working frequency for the VTS is channel 14 VHF/FM (156.7 MHz) (phone: 310-832-6411) and the call sign is "San Pedro Traffic". The Los Angeles and Long Beach main channels are considered narrow channels. Vessels less than 20 meters in length, sailing vessels, vessels engaged in fishing, or any vessel attempting to cross these channels shall not impede a vessel that can only safely navigate within a narrow channel as per Inland Navigation Rules, Rule 9. To obtain information on the movement of deep draft vessels inside the Federal Breakwater, contact the Los Angeles Pilot Station on channel 73 (156.675MHz) / ph 562-732-3805 or Long Beach Pilot Station on channel 74(156.6MHz) / ph 562-432-0664. Vessels with 15.2 meters/50 foot draft or less will be boarded south of RACON Buoy 3. Vessels with a draft greater than 15.2 meters/50 feet will be boarded south of Buoy 1. Traffic lanes and Pilot Areas established at approaches to Los Angeles and Long Beach Harbors are shown on Charts 18746, 18740 and 18720. Mariners are advised to exercise extreme care in navigating within these areas. No vessel may enter this area unless it is entering or departing the Los Angeles or Long Beach main channels. Vessels shall pass directly through without stopping or loitering unless stopping is for taking on a pilot. To receive information regarding the movement of vessels in the traffic separation schemes and the precautionary area, Contact the Vessel Traffic Service. The working frequency for the VTIS is channel 14 VHF/FM (156.7MHz.) (ph 310-832-6411) and the call sign is "San Pedro Traffic."