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APPENDIX 2 ABBREVIATIONS, SYMBOLS
AP-11
Navtex Navigational Telex
NM Nautical miles
NO. Number
NNorth
Nov November
Oct October
OS Own Ship
PC Personal Computer
PERPENDIC Perpendicular
PI Parallel Index (lines)
POSN Position
R Relative
REF Reference
Rel Relative
RM Relative Motion
RNG Range
ROT Rate of Turn
SSouth
S1 (2) Short1(2) (pulse length)
SAR Search And Rescue
SART Search And Rescue Transponder
SEL Select
Sep September
SM Statute Miles
SOG Speed Over the Ground
SPD Speed
SPEC Specification
STAB Stabilization
STBY Stand-by
SW Switch
TTrue
TB True Bearing
TCPA Time to Closest Point of Approach
TGT Target
Abbreviation Meaning