Lots of things getting tossed around on this thread...I know the answers to some of the things being asked.
As to flying into landlocked Forest Service...not legal unless to an established air strip.
BLM you can fly into, but if you're planning on landing OFF an established road, contact the local BLM office for details and let them know exactly what your intentions are.
In the case of landlocked BLM, State, and FS, it absolutely is NOT the job of those agencies to find legal public access to it.
Wyoming does not have any waiting period before you can hunt after using an aircraft to be transported into either BLM or State lands. But, its illegal between August 15 and January 31 to use aircraft (drones included) to scout from during that time frame. Nothing preventing the use of aircraft to access landlocked parcels though. Myself and a good Friend worked on the aircraft/drone issue here with the WYGF to ensure the regulation mirrored existing statute.
State lands in Wyoming are 100% legal to hunt as long as they are accessible or you have permission to cross private to reach them. Outfitters can not hold an exclusive lease to State lands in Wyoming. The one closure exception on State lands in Wyoming is in regard to safety, where excessive resource damage is occurring, or on State land that is in a cultivated fields. WYBHA is currently working on trying to gain foot only access for seasonal hunting on the cultivated State lands.
Another thing that hunters should look into is that under some BLM RMP's there are sections that deal with appointing committees to look into access to landlocked blocks of BLM. It would make sense to ask the BLM to form these committees if they haven't, and also to volunteer to serve on them. In some cases, past RMP's have identified landowners willing to set up some kind of easement to landlocked pieces, but the committees never form, and other pressing things take priority.
I think there are opportunities squandered to work with landowners to find easements into landlocked BLM, FS, and State lands. May take some $$$, but long-term benefits of a perpetual easement would be well worth it.
Of course, in some areas, it wouldn't work, has to be a willing landowner and some aren't interested in allowing an easement. In fairness, hunters aren't very pro-active either...we need to start trying to work together to find/fund easements if we want access. For too long, we've all expected others to carry our water on these issues.