If left uncorrected, compass deviation can lead to significant errors in navigation. Some equipment onboard can create localized magnetic fields that interfere with the compass needle, therefore throwing off navigation. Something as simple as a steel coffee cup, or a paper towel holder, have deviated our compasses in the past. ABOUT US: The Sailing Academy is an ASA sailing school for those who want to learn to sail, cultivate sailing skills, or begin a lifelong sailing adventure. We teach on pr