rules of the road (lights)

PDV (<50m)

PDV (>50)

air cushion vessel

Vessel Engaged in Towing ASTERN
Length of Towing Vessel < 50m
Length of Tow < 200m

Vessel Engaged in Towing ASTERN
Length of Towing Vessel < 50m
Length of Tow > 200m

what is the day shape for Vessel Engaged in Towing ASTERN
Length of Towing Vessel < 50m
Length of Tow > 200m

diamond

Vessel Engaged in Towing ASTERN
Length of Towing Vessel ≥ 50m
Length of Tow < 200m

Vessel Engaged in Towing ASTERN
Length of Towing Vessel ≥ 50m
Length of Tow ≥ 200m

Vessel Engaged in PUSHING AHEAD OR TOWING
ALONGSIDE
Length of Towing Vessel < 50m
INLAND

Vessel Engaged in PUSHING AHEAD
OR TOWING ALONGSIDE
Length of Towing Vessel ≥ 50m
INLAND

Vessel Engaged in PUSHING AHEAD
OR TOWING ALONGSIDE
Length of Towing Vessel < 50m
INTERNATIONAL

Vessel Engaged in PUSHING AHEAD
OR TOWING ALONGSIDE
Length of Towing Vessel ≥ 50m
INTERNATIONAL

Towing as a Composite Unit
Length of Towing Vessel < 50m

Towing as a Composite Unit
Length of Towing Vessel ≥ 50m

Vessel Being Towed
Length of Tow < 200m

Vessel Being Towed
Length of Tow ≥ 200m

Vessel Being TOWED ALONGSIDE
INTERNATIONAL

Vessel Being PUSHED AHEAD
INLAND

Vessel Being PUSHED AHEAD
INTERNATIONAL

pushed tow (inland)

Vessel Being TOWED ALONGSIDE
INLAND

Electric Torch or Lighted Lantern (white)

Sailing Vessel/Vessel Under Oars
Underway, < 7m

Sailing Vessel Underway
20m > X > 7m

Sailing Vessel Underway
≥20m

Sailing & Propelled by Machinery

Trawling, Making Way
<50m

Trawling, Making Way
≥50m

Trawling, Not Making Way/Anchored
< 50m

Trawling, Not Making Way/Anchored
≥50m

Fishing, Making Way

Not Under Command

not making way

Not Under Command
underway, making way

Restricted in Ability to Maneuver
< 50m

Restricted in Ability to Maneuver
underway, making way, ≥ 50m

Restricted in Ability to Maneuver
not making way

Vessel Engaged in Dredging
Underway, Making Way, < 50m

Vessel Engaged in Dredging
Underway, Making Way, ≥ 50m

vessel engaged in diving

Engaged in Mineclearance Operations
< 50m

Engaged in Mineclearance Operations
≥ 50m

Constrained by Draft
INTERNATIONAL ONLY
< 50m

Constrained by Draft
INTERNATIONAL ONLY
≥ 50m

pilot vessel

Vessels Anchored
< 50m

Vessels Anchored
100m > x ≥ 50m

Vessels Anchored
≥ 100m

Vessels Aground
< 50m

Vessels Aground
100m > x ≥ 50m

Vessels Aground
≥ 100m

seaplanes