Hi Everybody!
Chuck here!!
I've been looking at those Finnish warrant officer ranks, and I think that I may have a plausible explanation of their status.
There are two programmes (somewhat related to what they have in all branches of the Finnish armed forces) in the U.S.Navy, namely the Warrant Officer and Limited Duty Officer programmes.
Both programmes are for specialist positions, and both are open to senior enlisted personnel of needed specialist ratings. The more the experience,etc., the higher the rank attained at time of entry.
I think the Limited Duty Officer programme is the right thing to take a look into for an explanation of this somewhat puzzling matter. See ya'!!
Chuck
USAFWO1_1975@military.com