CONCEPT OF PRESENT PRACTICE IN CHOOSING OF OPTIMAL NUMBER OF TUGS

The common practice in world-wide ports is that they have determined procedures regarding number of required tugs depending usually on most important factors such as weather criteria and size of vessel. This article presents various rules for some ports which...

S-101 CHARTS, DATABASE TABLES FOR S-101 CHARTS, AUTONOMOUS VESSEL

This article shows a way to store the data of many S-101 charts into a single Postgres database. The data model of the database with all tables is shown and explained. The concatenation of the indices from the different database tables is explained. This conca...

INFLUENCE OF HYDRO-METEOROLOGICAL ELEMENTS ON THE SHIP MANOEUVRING IN THE CITY PORT OF SPLIT

The Port of Split is located in the central part of the eastern Adriatic and is the largest Croatian passenger port. The Port of Split consists of the North Port, for the reception of mainly cargo ships, and the City Port for the reception of passenger ships....

CHALLENGES TO THE MULTIMODAL TRANSPORT NETWORKS BASED ON SUSTAINABLE GROWTH IN THE VOLUME OF CONTAINERIZED CARGOES

Globalization is a significant factor for optimization of the existing transport chains. It is a major power for sustainable development of containerized transport, the relevant transport infrastructure and terminal equipment. The development of seaports and i...

MEETING SUSTAINABLE DEVELOPMENT GOALS – EXPERIENCE FROM THE LARGEST SHIPPING COMPANIES

PETRI NET MODEL OF SUPPLY VESSEL CONSUMPTION AS FUNCTION OF THE NATURE OF THE BUSINESS AND THE STATE OF THE WIND AND SEA

The state of prices and the development of a given economy depends largely on the gas and oil industry. Every day the gas and oil industry is growing and there is a growing need for platforms. In order for the platforms to pump gas and oil from the seabed unhi...

TRADITIONAL VS ONLINE EDUCATION IN THE MARITIME TRAINING SYSTEM UNDER COVID-19 PANDEMIC: COMPARATIVE ANALYSIS

The correlation between traditional and MOODLE learning management system usage in the educational process of the maritime higher education institutions has been studied in the article. The need to find new digital tools was due to the current state of the edu...

MEASUREMENT OF THE DYNAMICS OF THE SHEAVE BLOCK OF SHIPYARD CRANE WITH 1000 T LIFTING CAPACITY FOR VERIFICATION OF THE LABORATORY STAND

The paper includes partial results of the development project entitled “The first Polish gantry crane with high lifting capacity for the shipbuilding industry adapted to work in difficult wind conditions - development and demonstration” (no POIR.01.02.00-00-00...

OPTIMISING THE REFERENCE POINT WITHIN A JOURNAL BEARING USING LASER ALIGNMENT

This paper observes different alignment conditions in a journalbearing-supported machine (i.e. propeller bearings within the stern tube of a marine vessel). A test rig is built so that the driven machine has fixed supports, roller bearings in an electrical mot...

SOME PROBLEMS RELATED TO THE EXPLOITATION OF AUTOMATED CONTAINER TERMINALS

Automation is considered as the basis for the introduction of the fourth industrial revolution in ports and for the implementation of a number of innovations. Often the actual results of container terminal automation do not match the expectations of terminal o...

GREEN PORTS – ENVIRONMENTAL CHALLENGES AND ECONOMIC DEMANDS

The article defines the term Green Ports as a part of logistics chain and the transport networks are under sustainable development and process optimization. Port expansion should always be considered in the context of environmental legislation and its implemen...

MULTILEVEL DEMAND FOR SEA TRANSPORTATION. CORRELATION BETWEEN BALTIC DRY INDEX (BDI) AND COASTER SHIPPING PRICES FOR SEA ROUTES BETWEEN BALTIC SEAPORTS AND MEDITERRANEAN SEAPORTS

Baltic Dry Index (BDI) reflects the prices of sea transport performed by Capesize, Panamax, Supramax and Handysize bulk carriers only. The prices of the transport with vessels of smaller tonnage are not considered in the calculation of BDI, therefore principal...

REVIEW OF THE CURRENT INCREASE OF NOISE UNIT COST VALUES IN TRANSPORT

Until recently marginalized, noise pollution has become a significant source of external transportation costs. Noise costs have currently reached a respectable share of \(7 \%\), an increase of 3.5 times in the last five years. No other item of external trans...

TARGET DETECTION FOR VISUAL COLLISION AVOIDANCE SYSTEM

Automatic Identification Systems (AIS) and Automatic Radar Plotting Aids (ARPA) are commonly used to detect targets for collision avoidance. However, AIS cannot detect targets without AIS transmitters and ARPA has limitations due to blind sector and small targ...

NEW RESULTS FOR TEACHING SHIP HANDLING USING FAST TIME SIMULATION

Some years ago, the SAMMON software tool box was introduced for “simulation augmented manoeuvring design, monitoring & conning”. It is based on the innovative “rapid advanced prediction & interface technology” (RAPIT) to simulate the ships motion by fast time...

APPROACH TO SHIP’S IT AND OT SYSTEMS CYBERSECURITY IMPROVEMENT

Daily cyber-attacks on ships’ IT and OT systems are not a rare occurrence anymore. This has been taken into account in recent years and the IMO has issued directives and circulars with recommendations for increasing the cybersecurity of ship information system...

MARITIME SECURITY IN COASTWISE DOMESTIC SHIPPING AS PERCEIVED BY CADETS

This study focused on the cadets' perception of the level of implementation of maritime security in coastwise trade in selected ports of Western Visayas, Philippines, based on the ISPS Code requirements applicable onboard vessels and in port. This study aims t...

THE REGIONALIZATION OF EUROPEAN SECURITY AND DEFENSE POLICIES IN THE MARITIME DOMAIN: THE BLACK SEA CASE

The specific regional dynamics of maritime security environment in EU raise the question whether and to what extent the processes of “regionalization of security” need to be implemented within the principles of current CSDP (Common Security and Defense Policy)...

POTENTIAL BENEFITS OF ELECTRICALY DRIVEN FERRY, CASE STUDY

There have been several news articles in the newspapers lately about the introduction of electrically powered ferry boats in Croatia, especially on several shorter routes. This introduction will require serious investigation into potential benefits and also in...

SITUATIONAL AWARENESS – KEY SAFETY FACTOR FOR THE OFFICER OF THE WATCH

One of the main causes of many maritime accidents are errors caused by the human element. Analysis of many maritime accidents at sea shows that situational awareness is one of the most important safety factors. The purpose and objective of this paper is to def...

APPLICABILITY OF THE OODA LOOP THEORY FOR ANALYSIS OF HUMAN ERROR PROCESSES IN THE MARITIME SAFETY

The publication evaluates the applicability of John Boyd's OODA Loop (observe-orient-decide-act) theory for the analysis of human error in the maritime industry. The predominant share of human error among the range of maritime safety issues is revealed. The in...