Manual
Chapter 5: Data
5.16
VMC Ext_VMC Velocity Made Good to the Course
calculated from Ext_SOG and
Ext_COG (from the position fixer)
OVC Opt_VMC Theoretical boat speed for Optimum
Velocity Made Good to the Course
COC Cse_OVMC Course to sail for the theoretical
Optimum VMC
TS Vs_target Boat speed Target from the
Performance Polar
T% Vs_targ% Percentage of Performance Polar
Target Boat speed Achieved
AT TWA_targ True Wind Angle Target
PPV Vs_Perf Polar Boat speed from the
Performance Polar
PP% Vs_Perf% Percentage of Performance Polar
Boat speed Achieved
PNV Vs_nav Polar Boat speed from the
Navigation Polar
PN% Vs_nav% Percentage of Navigation Polar Boat
speed Achieved
BM Brg_o_Mrk Bearing of the Mark
DM Dst_t_Mrk Distance to the Mark
TM Tm_t_Mrk Time to the Mark
CrR Curr_Rate Current Rate
CrD Curr_Dir Current Direction
MCR MCur_Rate Measured Current Rate
MCD MCur_Dir Measured Current Direction
DCR DCur_Rate Diamond Current Rate
DCD DCur_Dir Diamond Current Direction
LCR LCur_Rate Local Knowledge Current Rate
LCD LCur_Dir Local Knowledge Current Direction