Chris is correct.
Yes, but I think they require you to have AMA insurance which is pretty cheap for the year and if you're not a member of the rc club, you'll have to be there with someone with a key.
Are individuals or groups allowed to launch model rockets (Estes type) from the club grounds?
Can I fly my drone there and how much for membership ?
Correct on all of the above answers
Yes. You can fly drones in the designated area. AMA membership is required but you do not have to be a club member to fly. As long as the gate is open you can go in and fly.
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