that the vessels can withstand a 90-degree side-on collision with another similar LNG carrier at 6.6 kn (50% of normal port speed) with no loss of LNG cargo integrity. This drops to 1.7 kn for a fully loaded 300,000 dwt oil tanker collision into an LNG carrier. The report also notes that such collisions are rare. HAZID performed a risk assessment of an LNG spill. Taking into account precautions, training, regulations and technology changes over time HAZID calculates that the likelihood of an LNG spill as approximately 1 in 100,000 trips. In the event that the tank integrity of a LNG transport is compromised, there is a risk that the natural gas contained within could ignite, causing either an explosion or fire. See also Compressed natural gas (CNG) Gas carrier CNG carrier List of gas carriers List of tankers Mozah Prelude FLNG References Ship types Tankers de:Tanker#Flüssiggastanker