Welcome to the forum!
Starting from today (in a couple hours) we will be able to vote for what new features we want,
give this a read:
https://forum.apoglabs.com/t/feature-voting-guidelines/7855
I took a quick look through the suggestions and I haven’t seen “Bigger aircraft” so you might want to make a proposal yourself. Although you might want to vote for this thread, once we are able to mod airplanes ourselves I’m sure the modding community will be really fast with creating new models.