Seattle Times state politics reporter State Executive Ethics Board members approved a proposed fine on Gov. Bob Ferguson during a Friday board meeting after it was found he violated the Ethics in Service Act when he allowed his former top aide Mike Webb to fly on a state plane last year.  As part of the agreement, Ferguson was fined $4,000 — half of which will be suspended if he does not commit any other ethics violations within two years. He has 45 days to pay the other $2,000. Ferguson agreed to the settlement on April 27.   Board members clarified during the meeting Friday that reimbursement to the state for the flight was factored into the fine, and was calculated using flight hours.  The ethics complaint was first brought forward in late July. Board members in January found reasonable cause to believe the governor violated ethics laws. Webb was not a state employee at the time of the June flight.…