TY JOUR TI Features of using pilot charts for guiding ships through narrow channels with variable currents KW pilot charts KW narrow waterways KW variable currents KW hydrodynamic factors KW ship navigation KW navigational safety KW route optimization JO Journal of Technical Research AU Kravchishin, D.B. AU Pozdnyakov, N.V. PY 2024 IS 10 PB INFRA-M Academic Publishing LLC.