: Maritime officers and crew across all vessel types who are responsible for navigation.

One prolonged blast followed by two short blasts, at intervals not exceeding 2 minutes.

For maritime professionals, the SEA-GULL system is one of the most widely recognized e-learning platforms for STCW (Standards of Training, Certification, and Watchkeeping) compliance. Among the numerous modules, – often titled "Fire Prevention and Fire Fighting (Basic Training)" – stands out as a critical assessment.