Facing the front of a ship, what is the left side called?
AnswerPort
Port is the left side when facing forward; starboard is the right.
Vehicles · Facts & stats
Maritime facts & stats
7 fact-checked facts about ships and the sea, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
A speed of one knot equals one what per hour?
AnswerNautical mile
A knot is one nautical mile per hour, the standard speed unit at sea and in aviation.
Going deeper
How long is one international nautical mile?
Answer1,852 metres
The international nautical mile is defined as exactly 1,852 metres, longer than a 1,609 m land mile.
What color is a ship's starboard (right side) navigation light?
AnswerGreen
Ships show a green light on the starboard side and a red light on the port side.
Which United Nations agency sets global rules for shipping safety?
AnswerInternational Maritime Organization
The IMO, based in London, sets international standards for ship safety and pollution prevention.
Expert level
The nautical mile was originally based on what?
AnswerOne minute of arc of latitude
A nautical mile was based on one minute of latitude along a meridian, which makes chart navigation easier.
What does a sextant measure?
AnswerThe angle between a celestial body and the horizon
Navigators use a sextant to measure a star or the Sun's angle above the horizon to find latitude.
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