A compilation of resources for
- Anyone who has completed the RYA Ocean Yachtmaster Course,
- RYA Ocean Yachtmaster Exam Candidates,
- MCA Celestial Navigation students and
- Anyone interested in astro navigation.
Sight Reduction Tables
Rapid Sight Reduction Table for Navigation HO249 / AP3270 / NP303
Volume 1 Stars : Epoch 2020
Rapid-Sight-Reduction-Tables-for-Navigation-Volume-1-Epoch-2020
Volume 2 Latitudes 0°-40° & Declinations 0°-29°
Rapid-Sight-Reduction-Tables-for-Air-Navigation-Volume-2
Volume 3 Latitudes 39°-89° & Declinations 0°-29°
Rapid-Sight-Reduction-Tables-for-Air-Navigation-Volume-3
Nautical Almanac
2015 to 2025 by year
All Years
Increments-&-Corrections-Table
Table 5- Correction to Tabulated Altitude for Minutes of Declination
Plotting Sheets
Plotting Sheet
chieftain-training-astro-plotting-sheet
Pilot Routing Charts
North Atlantic & Caribbean Sea
NorthAtlanticPilotChart__Pub_106_Synop
NorthAtlanticPilotChart__Pub_106_Jan
NorthAtlanticPiilotChart__Pub_106_Feb
NorthAtlanticPilotChart__Pub_106_Mar
NorthAtlanticPilotChart__Pub_106_Apr
NorthAtlanticPilotChart__Pub_106_May
NorthAtlanticPilotChart__Pub_106_Jun
NorthAtlanticPilotChart__Pub_106_Aug
NorthAtlanticPilotChart__Pub_106_Sep
NorthAtlanticPilotChart__Pub_106_Oct
NorthAtlanticPilotChart__Pub_106_Nov
NorthAtlanticPilotChart__Pub_106_Dec
South Atlantic
Indian Ocean
North Pacific Ocean
South Pacific Ocean