Marine resources
93 charts, guides, routes and documents shared by mariners. 186 official bulletins are listed separately.
Popular
ResourceETA Calculator: Arrival Time by Speed and Distance
Work out the ETA from speed and distance, the speed needed for a wanted arrival, or the distance you can cover by a date. Ports with their time zones and daylight saving applied.
231
ResourceMF/HF DSC Coast Stations with MMSI (GMDSS Test Stations)
MF/HF DSC coast radio stations worldwide with MMSI numbers and frequencies for GMDSS equipment tests: find the nearest test station, its MMSI and the frequencies it answers on.
125
ResourceTrue Wind Calculator
True Wind Calculator
Shared by@adminContributor
218
ResourceChartroom - Route converter RTZ, GPX & JRC CSV
RTZ, GPX and JRC CSV in any direction. Great-circle legs are drawn as real curves, so the route plots where the ship will actually steam.
Shared by@Kirk_roContributor
2310
ResourceMarine VHF Channels and Frequencies (Full List)
Every marine VHF channel with its ship and coast station frequencies: channel 16 and 70, port operations, duplex and simplex channels, US and international use. The table mariners look up before calling.
29
CheatsheetHF Stations
Cheatsheet
3857- Other
ENP133C- 2024 ADMIRALTY ENC AND ECDIS Maintenance Record
ENP133C- 2024 ADMIRALTY ENC AND ECDIS Maintenance Record Log book scanned pages.
6167 - Leisure marine
LSA CODE EDITION 2024
LSA CODE EDITION 2024
4465
CheatsheetDistress Alerts Guidance
Distress Alerts Guidance. MAYDAY procedure
470
ResourceDSC Distress/Safety Messages Guide
DSC Distress/Safety Messages Guide
20
ResourceLRIT
LRIT example
0
ResourceISO 8217:2017 Marine Fuel Standards Reference
Reference guide for ISO 8217 2017 marine fuel standards
20
CheatsheetMartitme Safety Information Coordination
Martitme Safety Information Coordination flow
421
- Other
Sextant-step-by step
It is possible to use your sextant to navigate with the Sun, Moon, Planets or Stars. I am going to concentrate on the Sun, and I’ll leave it up to you to learn about the Moon, Planets and Stars.
760 - Other
The 2010 Manila Amendments STCW
The 2010 Manila Amendments to the Seafarers’ Training, Certification and Watchkeeping (STCW) Code PDF
1000 - Other
USCG INSPECTED TOWING VESSEL (ITV) INTERNATIONAL ADDENDUM
USCG INSPECTED TOWING VESSEL (ITV) INTERNATIONAL ADDENDUM International Guidelines for Towing Vessels Under 300 GRT CVC-FM-003(2)
410 - PDF
IMDG Code Amendment 41-22
The following are corrections to the English version of the IMDG Code (Amendment 41-22, as adopted by resolution MSC.501(105)).
1370 - Other
Navigation Rules Handbook
Hi The International Rules in this book were formalized in the Convention on the International Regulations for Preventing Collisions at Sea, 1972, and became effective on July 15, 1977. The Rules (commonly called 72 COLREGS) are part of the Convention, and vessels flying the flags of states ratifying the treaty are bound to the Rules. The United States has ratified this treaty and all United State
230 - Other
SINGAPORE AREA CONTROLLING DEPTHS OF CHANNELS, FAIRWAYS AND BASIN
CONTROLLING DEPTHS OF CHANNELS, FAIRWAYS AND BASIN SINGAPORE
520 - Other
Tron 60S/GPS EPIRB
Tron 60S/GPS EPIRB Float-free and manual bracket User manual EPIRB, 406,FB-60,MB-60,COSPAS-SARSAT,121.5 MHz,406.037 MHz
150 - Other
Sea Safety Checklist by Seventeenth Coast Guard District
Seventeenth Coast Guard District Ready for Sea Safety Factors Card https://www.pacificarea.uscg.mil/Our-Organization/District-17/
220 - Cheatsheet
Legacy Noon Reports Example Sheet
Voyage Log, Noon Reports, Noon
700 - Other
Electronic Notice of Arrival/Departure (eNOAD) USER GUIDE
Electronic Notice of Arrival/Departure (eNOAD)
382 - Other
China PSC Checklist
PSCO, PSC, Checklist for China, Prepare to Port State Inspection,China
1271 - Leisure marine
MF/HF stations test word doc
docx
561 
CheatsheetBeafourt Scale
Beafourt Scale. mph kmh kts m/s
1212- Cheatsheet
HF Stations
Cheatsheet
3857 
OtherHF DCS Flowchart
Example
673
CheatsheetINTERNATIONAL CODE OF SIGNALS 1969
INTERNATIONAL CODE OF SIGNALS,FLAGS,MORSE 1969 Image
10470