Davis Mark 3 Marine Sextant [011] Entertainment | Stereos with significant increase in performance

with significant increase in performance at 50 kHz

tapered pillar to illuminate docking areas

Replacement Rudder Reference Transducer used on Raymarine and Autohelm autopilot systems

The SI-TEX optional NQA-2447 kit is provided for the T-760 Series Radar

Allowing for easy one-handed docking and removal of your iPhone 11

Davis Mark 3 Marine Sextant [011] Entertainment | Stereos with significant increase in performanceMark 3 Marine Sextant Sometimes referred to as a "lifeboat" sextant, the Mark 3 is an inexpensive training sextant. Yet this model has taken sailors around the world, too! It is full sized and has sunshades, but no optical magnification to help you find dim celestial bodies. Comes with instruction booklet. Owner's Manual (pdf)