Abstract
This paper presents the investigations on the improvement of search object detection during search and rescue (SAR) action at sea using thermal imaging and radar sensors. The introduction of new materials in the construction of lifesaving appliances increasing their detectability has been studied for the selected example of a pneumatic life raft. The research was based on laboratory tests and open sea trials. The presented experimental investigations on the new materials that can be used for pneumatic life raft construction showed the enhancement of its thermal and radar signatures, which directly affect life raft detectability and influence reliability of SAR action and probability of success (POS). The improved detectability of a life raft related to the time to survive of a person in the water (PIW) allowed to present the modified search pattern for both PIW and life raft, significantly increasing POS.
Highlights
Striving to improve safety in maritime transport, especially after maritime accidents, ship disasters and conducted rescue operations, the legal regulations are created in the field of safety improvement of rescue systems and construction solutions of life saving appliances that aim to eliminate threats related to the loss of life, property and harsh to environment in sea transport
The probability of detection (POD) for the visual search of a boat for a single sweep width in different weather conditions is presented in Figure 25 [17]
The tested mats were not implemented in the life raft prototype because of the weight of material and its necessary powering
Summary
Striving to improve safety in maritime transport, especially after maritime accidents, ship disasters and conducted rescue operations, the legal regulations are created in the field of safety improvement of rescue systems and construction solutions of life saving appliances that aim to eliminate threats related to the loss of life, property and harsh to environment in sea transport. These tasks are implemented by International Maritime Organization (IMO). 2011–2018 give the of 230 ships lost, 23073 casualties & incidents, and 7694 persons injured. The search and rescue of persons in distress at sea is co-coordinated by local SAR organizations with respect to the international treaties—International Convention for the Safety of Life at Sea (SOLAS)
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