Chief Mates / Masters

The 18” Aluminum Arm Parallel Ruler features aluminum arms and handles. 

Based on the syllabus for Ship Stability for the STCW 95 Chief Mate/Master Reg II/2 (Unlimited). As opposed to sheets of hydrostatic data, a full set of IMO compliant stability data is supplied in a 60pp pocket book which is used for all exercises. This book aims to be the leading work on Ship Stability.

Keep your charts protected in the Telescoping Chart Tube, a tubular-shaped fully enclosed black plastic case. Reinforced rib design provides strength. Twist-lock telescoping feature easily adjusts to accommodate chart lengths from 24 inches to 47 inches.

An expert guide to the collision regulations for all mariners

This book is aimed at todays navigator, where increased workload on the watchkeeper demands clear methods of working and concise instructions. Accompanied by a 60pp almanac.

Price Shown is for a set of two.

One of our best selling navigation instruments.

7" Straight Divider

Normally used in conjunction with parallel rules for chartwork.