Numer No 3/2001 [5] VARIANTS OF STRUCTURAL AND MEASUREMENT MODELS OF AN INTEGRATED NAVIGATIONAL SYSTEM Andrzej Banachowicz [19] ASSESSMENT OF A NAVIGATIONAL SITUATION IN A FAIRWAY USING AN ARTIFICIAL NEURAL NETWORK WITH FUZZY LOGIC Andrzej Banachowicz, Janusz Uriasz [31] FUZZY CONTROL FOR SHIP MOTION Bogdan Broel–Plater [41] A FORMAL DESCRIPTION OF NAVIGATIONAL PROCESS Kajetan Jackowski [75] POSITIONING WITH AHRS/ODOMETER/GPS SYSTEM Piotr Kaniewski, Stanisław Konatowski [91] AN ATTEMPT OF THE SPECIFICATION OF THE SHIP’S NAVIGATION PROCESS Zdzisław Kopacz, Wacław Morgaś, Józef Urbański [111] HEORETICAL BASIS OF THE PROBABILISTIC-FUZZY METHOD FOR ASESSMENT OF DANGEROUS SITUATION OF A SHIP MANOEUVRING IN A RESTRICTED AREA Zbigniew Pietrzykowski, Lucjan Gucma [127] THE ELECTRONIC CHART SYSTEMS AND THEIR CLASSIFICATION adam Weintrit