The fold-down jumpseat
can only be used by staff for official reasons.
The 210 Coastal is a live-baiter's dream with an aft livewell that holds 27 gallons and a forward well under the jumpseat
that holds 20 more gallons.
The airline transport first pilot in the left seat, the airline transport second pilot in the right seat and the flight mechanic in the jumpseat
In fact, I was sitting in the jumpseat
behind the two crew--we were talking almost constantly throughout the flight and he would frequently turn around to look at me.
The division subsequently filed suit against United Airlines in federal court challenging those policies, even though some female flight attendants thought "the company has a right to have weight check--some of the stewardesses will be too fat to fit into the jumpseats