Mnemonics

Safe Speed Factors

Vampire - Visibility
Took - Traffic density
My - Maneuverability
Big - Background
White - weather
Dog - Draft to water depth

Rule 18 - Responsibilities Between Vessels

Our - Overtaken
Non - Not Under Command
Rates - Restricted in Ability to Maneuver
Can - Constrained by Draft
Fool - Fishing/Trawling
Senior - Sailing
People - Power Driven
Sometimes - Sea Plane
Wow - WIG Craft

Lights

Red over Green - Sailing Machine
Green over White - Trawling at ight
Red over White - Fishing boat in sight
White over Red - Pilot ahead
Red over Red - Captain is dead - NUC
Red White Red - Stuck in bed - RAM
White on White - Short tow in sight
White/White/White - Long tow in sight
Yellow over Yellow - Pushing a fellow - Inland
Yellow over White - My hauser is tight
Green/Green/Green - Mine clearing machine
Red/Red/Red - Constrained by draft

Give Way Sailing Vessels

Port Tack
Overtaking
Windward

Sound Signals in Restricted Visibility

All of the following sound one prolonged blast followed by two short blasts at an interval of no more than two minutes:

C - Constrained by draft
E - Engaged in fishing - Makes same sound signal in restricted visibility
N - Not under Command
T - Towing
E - Engaged in Trawling **- Makes same sound signal at ancor
R - Restricted in Ability to Maneuver - Makes same sound signal in restricted visibility
S - Sailing