48947 IW 2

IW International Abbreviations

IP	Lights
Lt	Light	IP 1
F	Fixed	IP 10.1
Oc	Occulting	IP 10.2
ISO	Isophase	IP 10.3
FI	Flashing	IP 10.4
LFI	Long-flashing	IP 10.5
Q	Quick	IP 10.6
IQ	Interrupted quick	IP 10.6
VQ	Very quick	IP 10.7
IVQ	Interrupted very quick	IP 10.7
UQ	Ultra quiok	IP 10.8
IUQ	Interrupted ultra quick	IP 10.8
Mo	Morse Codę	IP 10.9
Al	Alternating	IP 10.11
W	White	IP 11.1
R	Red	IP 11.2
G	Green	IP 11.3
Bu	Blue	IP 11.4
SI	Violet	IP 11.5
Y	Yellow/Orange/Amber	IP 11.6-11.8
Or	Orange	IP 11.7
Am	Amber	IP 11.8
Ldg	Leading light	IP 20
Dir	Direction light	IP 30
occas	Occasional	IP 50
Aero	Aeronautieal	IP 60,61.1
R Lts	Air obstruction lights	IP 61.2
Fog Det Lt	Fog detector light	IP 62

Radar, Radio, Electronic Position-Fixing Systems

Ra	Coast radar station	IS	1
Ramark	Radar beacon	IS	2
Racon	Radar transponder beacon	IS	3
F Racon	Radar transponder beacon, responding on a fixed frequency outside the marinę band	IS	3.4
RC	Non-directional marinę radiobeacon	IS	10
RD	Rotating pattern radiobeacon	IS	12
RG	Radio direction-finding station	IS	14
R	Coast radio station providing QTG service	IS	15
Aero RC	Aeronautieal radiobeacon	IS	16
WGS	World Geodetic System	IS	50

IT	Services
H	Helicopter	IT	1.4
SS	Signal station	IT	20
INT	International	IT	21

IQ	Buoys, Beacons
B	Black	IQ 2
Bn	Beacon	IQ 80
Mk	Mark	IQ 101
IALA	International Association of	IQ 130
	Lighthouse Authorities

Explos	Explosive	IR	10
Dia	Diaphone	IR	11
Whis	Whistle	IR	15

Fog Signals

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