Appendix D-Navaid Descriptions - Garmin Personal Navigator GPS 48 Owner's Manual & Reference

The following list shows the abbreviations for lit and
unlit navaid labels followed by a brief description of the
abbreviation.
Lit Navaid Abbreviations
F Fixed – continuous and steady light
FL Single Flashing – flash repeated on given time period, not to exceed 30 per minute
FL(2) Group Flashing – group of regularly repeating flashes
FL(2+1) Composite Group Flashing – a complex light
FFL Fixed and Flashing – fixed light combined with a flashing light of higher intensity
Q Quick Flashing – light flashes at a rate of 60 flashes per minute
VQ Very Quick – light flashes at a rate greater than 60 flashes per minute
OC Occulating – alternating light and dark with duration of light longer than dark
ISO Isophase – alternating light and dark with duration of light and dark equal.
MO(A) Morse Code – different flash durations used to represent morse code characters
AL Alternating – different colors flashing alternately
DIR Directional – prefix indicates the light is directional
Lit Navaid Primary Colors
W = White R = Red
Or = Orange Bu = Blue
Unlit Navaid Abbreviations
S = Square J = Junction
M = Safe Water C = Crossing
Unlit Navaid Key Colors
G = Green R = Red
G = Green
Y = Yellow
T = Triangle
N = Special Purpose
W = White Y = Yellow
APPENDIX D
Abbreviations
Vi = Violet
Am = Amber
K = Range
B = Black
Navaid
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