Hey ph-kim! Just seen your threads and rest assured i'll assess all of them shortly
Chocks, Jacks, Individual Toe-brakes and the parking brake handle are all at play when the subject is keeping the aircraft from moving.
For this reason, since manuals state that the parking brake interacts directly with the toe brakes through the master cylinder, i decided to simulate this mechanical link they have. X-plane's default parking brake system is a bit wonky at best, and i did experiment using it with the parking brake lever. The thing is, if a user has the "Apply regular brakes" command issued, then what X-plane does instead is say "Oh this person wants to brake, just apply 0.2 parking brakes on it, then", and the whole parking brake lever would move, which is extremely annoying (and also incorrect). Now, from the tests we ran, you can STILL use "b" and "v" keys (default mapping) in order to use those X-Plane systems. Other systems that are designed to keep the aircraft stopped in the PT-19 make use of them. About the detent: I did run into some animation issues when trying to implement this feature, that is why it shipped as-is; but i'm working on a way to get this detent right.
As for the control lock: That suggestion you offered is exactly how i'm tackling this! Should not be a problem for the next update
Thanks guys for your input, me and others surely appreciate it.
Dan.