A Mariner’s Guide to Principles, Usage, and Maintenance The sextant, an essential instrument for celestial navigation, allows mariners to measure the angle between the horizon and celestial bodies like the Sun, Moon, or stars, determining latitude and longitude at sea. Deriving its name from the Latin “sextus” (one-sixth), the sextant’s arc spans 60 degrees, based […]
Archives for March 2025
Charting the Seas: World’s Biggest Flag States
Ahoy, maritime enthusiasts! Ever wondered where those massive cargo ships, sleek tankers, and luxurious cruise liners are actually from? It’s not always as simple as where their home port is. Enter the fascinating world of flag states – the countries where shipowners register their vessels, essentially giving them a nationality. Think of it as a […]
Nuclear Power: A Game-Changer?
As the shipping industry faces increasing pressure to reduce its significant carbon footprint (3% of global CO2 emissions), nuclear power is emerging as a viable, though controversial, alternative to traditional fossil fuels and other renewable energy sources. While alternative fuels such as hydrogen and ammonia show promise, nuclear power boasts exceptional efficiency and near-zero emissions, […]
Onshore Power Supply: For a Greener Future
Onshore Power Supply (OPS), or “cold ironing,” is transforming ports by allowing ships to shut down their auxiliary engines and plug into the electrical grid. This reduces air and noise pollution and offers long-term cost savings. Operational Benefits: Regulatory Benefits: Environmental Impact: Challenges and Considerations: Case Studies: OPS in U.S. Ports: Ports in Galveston, Miami, […]