3 aircraft and 3 cabin layouts, from the 42-600 to the 145. Pick one for its seat map, the best seats and the seats to avoid.
There are seat maps for 3 JSX aircraft here: the ATR 42-600, the Embraer 135 and the Embraer 145.
The ATR 42-600, with 30 seats: 30 Business in its main layout.
