
Ensures unconscious crew members turn face-up immediately in heavy seas, critical for SOLAS-compliant commercial vessel safety protocols.
Hydrostatic or salt-tablet sensors must prevent accidental inflation during deck washing while ensuring immediate activation upon total submersion.
Professional grade harnesses must allow full range of motion for deckhands during mooring operations without causing long-term neck strain.
Essential features include spray hoods, emergency beacons, and lifting loops to facilitate rapid recovery and prevent secondary drowning.
