USCG-ENG-SEA-L3.2
Where the manning number comes from
USCG-ENG-SEA-M3 · When a Vessel Needs an Engineer · USCG-ENG-SEA-M3-A Manning — where the number actually comes from.
"How many engineers does she need?" sounds like a question with a formula behind it. It is not. It is a question with an **authority** behind it, and the authority is different depending on what kind of vessel you are standing on.
AI-drafted catalogue content pending SME review. Sea service crediting and manning requirements change, and enforcement practice on recreational vessels was not confirmed from primary sources; verify with the National Maritime Center and the cognizant OCMI before relying on this for a career decision.