ECDIS - How to determine if ECDIS is using IMO-approved chart symbols??

[@raymondallenjhangiani7670]

Greetings ! sir, I enjoy watching all your videos ,each and every video has so much to learn from which are truly impressive and helpful to all mariners , thank you very much 🙏

[@SteeringMariners]

So kind of you Raymond, thank you:)

[@snehasishpadhi1490]

Good information sir

[@rupeshranjan6677]

Master has called for a tow into port, what document will help you prepare for this? What is in it?