Why did Frederick fleet become alarmed?

Frederick Fleet became alarmed when he spotted an iceberg while serving as a lookout on the RMS Titanic on the night of April 14, 1912. His warning to the bridge, "Iceberg right ahead!" came too late to avoid a collision, contributing to the ship's tragic sinking. The gravity of the situation heightened his sense of urgency and fear as he realized the imminent danger to the ship and its passengers.