What to know for Emergency and Electronic Backup Navigation
Build a backup navigation mindset for ocean passages where electronics may fail.
Navigation without electronics, log records, dead reckoning, astro fallback, and equipment failure planning. This module is mapped to the published course boundary for Yachtmaster Ocean and Astro Navigation Revision and written as an independent revision aid, not official training material.
Key Points
- Good logs make recovery from failure possible
- DR, EP, astro, and compass checks complement electronics
- Power management protects navigation resilience
- Emergency navigation is easier if practised before failure
Last reviewed: 6 July 2026 by Compass Revision curriculum review
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