Navigation Blog | Learnmarine

When Navigation Systems Lie: Understanding GNSS Jamming and Spoofing at Sea

Navigation

When Navigation Systems Lie: Understanding GNSS Jamming and Spoofing at Sea

13 March 2026 3k views

INMARSAT is not the only GMDSS satellite service! New amendments to SOLAS Chapter IV on GMDSS

Navigation

INMARSAT is not the only GMDSS satellite service! New amendments to SOLAS Chapter IV on GMDSS

17 January 2024 14k views

E-mail etiquette in maritime industry: best practices

Navigation

Kamila Shkarbaliuk

E-mail etiquette in maritime industry: best practices

24 July 2023 10k views

SIRE 2.0: A New Era for Tanker Vetting

Navigation

SIRE 2.0: A New Era for Tanker Vetting

06 May 2023 7k views

Confidential Human Factors Incident Reporting Programme (CHIRP)

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Confidential Human Factors Incident Reporting Programme (CHIRP)

10 January 2023 4k views

Sharing knowledge of Marine Engineering

Navigation

Sharing knowledge of Marine Engineering

19 November 2019 6k views

How often EPIRB and SART Tests shall be done on board?

Navigation

Dmytry Perepelytsia

How often EPIRB and SART Tests shall be done on board?

26 January 2019 25k views

Safety Contour doesn't help!? Insufficient depth soundings data in ECDIS on approaches to Chesapeake Bay

Navigation

D. Perepelytsia & A. Pipchenko

Safety Contour doesn't help!? Insufficient depth soundings data in ECDIS on approaches to Chesapeake Bay

26 December 2018 8k views

Are you ready to cope with 2018 NI Certification Standard for DPO?

Navigation

Are you ready to cope with 2018 NI Certification Standard for DPO?

09 December 2018 4k views

Reaching a new milestone - 500th seafarer trained by Learnmarine at MSC Training Centre

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Reaching a new milestone - 500th seafarer trained by Learnmarine at MSC Training Centre

26 October 2018 4k views

Meet us at Seminar: El Faro – ‘Lighthouse’ deep in the ocean (updated)

Navigation

Dmytry Perepelytsia

Meet us at Seminar: El Faro – ‘Lighthouse’ deep in the ocean (updated)

12 November 2018 6k views

Radar Plotting or... Do we really understand what ARPA does?

Navigation

Radar Plotting or... Do we really understand what ARPA does?

10 January 2023 20k views

How to apply ECDIS CATZOC to UKC calculation?

Navigation

How to apply ECDIS CATZOC to UKC calculation?

19 May 2018 100k views

ECDIS FAQs and useful links

Navigation

ECDIS FAQs and useful links

07 February 2022 9k views

Red-to-Red or Green-to-Green? Or simply - ship collision avoidance

Navigation

Red-to-Red or Green-to-Green? Or simply - ship collision avoidance

10 March 2018 11k views

MARPOL Annex V: Regulations for the prevention of pollution by garbage from ships (new amendments)

Navigation

MARPOL Annex V: Regulations for the prevention of pollution by garbage from ships (new amendments)

29 January 2018 16k views

What else might you need to know about abandon ship drill?

Navigation

What else might you need to know about abandon ship drill?

10 May 2022 80k views

Ballast water management convention – what’s new?

Navigation

Ballast water management convention – what’s new?

08 November 2017 15k views

ECDIS Presentation Library 4.0 and PSC Concentrated Inspection Campaign (CIC) on SAFETY OF NAVIGATION

Navigation

ECDIS Presentation Library 4.0 and PSC Concentrated Inspection Campaign (CIC) on SAFETY OF NAVIGATION

08 August 2017 64k views

Sometime ago at Surabaya roadstead

Navigation

Sometime ago at Surabaya roadstead

25 June 2017 6k views

Navigational warnings: a quick method to update your NAVAREA folder

Navigation

Navigational warnings: a quick method to update your NAVAREA folder

07 February 2022 35k views

Tips for a successful Deck or Engineer Officer’s job interview

Navigation

Tips for a successful Deck or Engineer Officer’s job interview

26 May 2017 27k views

Information from nautical charts. How accurate is it?

Navigation

Information from nautical charts. How accurate is it?

07 May 2017 10k views

How much do we have under the keel?

Navigation

How much do we have under the keel?

07 May 2017 15k views

Things you'd like to know about compasses

Navigation

Things you'd like to know about compasses

07 May 2017 16k views