Guides and notes
Practical, sourced articles on vessel data, maritime sales and B2B e-mail.
October 9, 2026 · 6 min read
How Ship Chandlers Win New Vessels Before They Berth
A practical guide for ship chandlers in Türkiye: reach incoming vessels before they berth, find the buyer, shape the offer, follow up and avoid common mistakes.
-
6 min read
What is Equasis? How to find a ship manager by IMO number
Learn what Equasis is, what its free registration shows about a ship, and how to find a vessel's ship manager step by step using its IMO number.
-
6 min read
Introduction E-mail to Ship Managers: Template and Examples
How to write a first introduction e-mail to a ship manager: subject lines, structure, length, signature rules and two templates for chandlers and ship agents.
-
6 min read
Ship manager vs ISM manager vs registered owner
What do the registered owner, ship manager, ISM manager, technical manager, operator and charterer do? Learn the differences and who decides on suppliers.
-
6 min read
IMO number explained: format, check digit and free lookup
An IMO number is a ship's permanent seven-digit ID. Learn how the check digit works, how it differs from MMSI and call sign, and where to look it up for free.
-
6 min read
What is AIS? How vessel tracking works
What AIS is, which ships must carry it, what data it broadcasts, how terrestrial and satellite AIS differ, and where the data reaches its limits.
-
7 min read
Maritime B2B E-mail Deliverability: SPF, DKIM and DMARC
Why do introduction e-mails land in spam? SPF, DKIM and DMARC in plain words, the Gmail, Yahoo and Microsoft sender rules, warm-up, bounces and list hygiene.
The next vessel is already on its way.
Pick your ports, set the range, write your introduction. VesselCall runs the rest.
Book a demo