3 aircraft and 4 cabin layouts, from the A320 to the 737 MAX 8. Pick one for its seat map, the best seats and the seats to avoid.
There are seat maps for 3 Flynas aircraft here: the Airbus A320, the Airbus A320neo and the Boeing 737 MAX 8.
The Boeing 737 MAX 8, with 189 seats: 189 Economy in its main layout.
The Airbus A320 has Premium Economy in at least one layout.
The Airbus A320neo, with 30" to 31" of seat pitch in Economy and seats 18" wide.