Perfect app .. i just recently became a new captain.. and it helps in stead of caring my big book atound just to see which lights are which..
Lacking port or starboad or stern views. No all round masthead light for sailing vessels. No lights for long tow. No lights for dredge. No lights for vessels of different lengths. No day hoist shapes. Sound signals incomplete.
More involved than other nav apps and competitively priced, a few errors needing ironed out still.