The Turkish Straits Vessel Traffic Services, the 5-sector implementation of the Bosphorus is available,which is taking into account the functioning of the operation, the northern limit of this sector received the Bosphorus Bridge, the southern limit of Sector Türkeli,Dikilikaya Lighthouse and between Cape of Kavak . Cape was taken even with the Kandilli Sectors and Kandilli combined under the name of the Istanbul Strait (Turkeli, Kandilli, Kadikoy,Marmara) 4 reported that the sector is reduced.
The new scheme for the sector to put into effect on 01.11.2011 stated that, according to regulation, the VHF channels formed as follows Türkeli Sector-VHF channel 11, Sector Kandilli, VHF channel 12, Sector Kadikoy-VHF Channel 13, Sector Marmara-VHF Channel14.
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