Required Visibility - Navigation Lights USCG

I just ordered a new bow light made by Attwood with following specifications. It is for boats up to 20 meters / 65.6 feet. Meets USCG CFR 183.810, ABYC A-16 requirements and all applicable standards as tested by Imanna Laboratories, on 3/6/2007. 2 nautical mile visibility.

REQUIRED VISIBILITY IN NAUTICAL MILES (NM)

Type of navigation light	Light beam	Angle	Type of boat	Boats < 12m	Boats < 20m	Boats < 50m	Boats > 50m
Starboard		112.5°	Sailing & Motor boats	1 nm	2 nm	2 nm	3 nm
Port		112.5°	Sailing & Motor boats	1 nm	2 nm	2 nm	3 nm
Stern		135°	Sailing & Motor boats	2 nm	2 nm	2 nm	3 nm
Masthead		225°	Motor boats	2 nm	3 nm	5 nm	6 nm
All-round		360°	Sailing & Motor boats	2 nm	2 nm	2 nm	3 nm
Bi-colour		2 x 112.5°	Sailing & Motor boats	1 nm	2 nm
Tri-colour		2 x 112.5°+ 135°	Sailing boats	1-2 nm	2 nm