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The work aims to identify navigation limitations and safety considerations for FSCIR A1 ice class ships in polar waters.

March 25, 2026Open Access

Limitations of Navigation by the FSCIR Ice Class A1 Ship in Polar Waters

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The work aims to identify navigation limitations and safety considerations for FSCIR A1 ice class ships in polar waters.
Assessment of ship speed under different ice conditions
Evaluation of movement constraints during independent voyages and with icebreaker support
Analysis of safety factors including ship draft and hull specifications
Highlighted specific ice conditions that restrict ship movement
Determined safety risks related to the hull's ice strengthening and propeller vulnerabilities
Identified operational thresholds for effective navigation in polar environments

Abstract

The FSCIR A1 ice class ships are designed to navigate in non-Arctic waters, but they may operate in polar waters under specified ice conditions. This work took into consideration speed and ice conditions limiting movement of the ship in ice during independent voyage and with icebreaker escort. Same time, the safety of the ship was analysed, taking into account the ship's draft, so that the restrictions resulting from the width of the hull ice strengthening belt and the possibility of damage to the propeller were met.

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Tadeusz Pastusiak

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TransNav the International Journal on Marine Navigation and Safety of Sea Transportation

Limitations of Navigation by the FSCIR Ice Class A1 Ship in Polar Waters

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