Rule 24 - Towing and pushing - inland vs int
Towing astern - exceeds 200m will have diamond and extra masthead light.
If a composite unit - Lit as a normal ship would be lit.
Ahead or alongside - tow measured stern to stern
INTERNATIONAL - no tow light, white over white
INLAND - Two yellow towing lights
INLAND - Yellow over yellow pushing a fellow
INLAND - Yellow over white, regular astern tow
INTERNATIONAL - no tow light, white over white
Vessel or object being towed - Sidelights and stern light
Diamond day shape indicated a tow over 200m
Yellow over white - regular astern tow
Vessel being towed alongside or pushed
When pushing from behind - towed vessel has no stern light for captain visibility
When pushing from the hip - Stern light present
INLAND - Special flashing light ?
Characteristics of a flashing light - 120 flashes per minute, various colors, 360°