Seems like there was a small bump in the road with the rezone. The Fire review was rejected but it's not uncommon for some things to get rejected and have to be modified. Looks like they are still waiting for legal review from city staff. It would then have to go to the zoning committee, then council and then a site plan would need to be submitted for approval for what they want to build. The project is inside the Airport overlay so it might take some extra time to make sure everything is in compliance.
Even if the city green lights a 400' cap, it's possible for the FAA to give a risky assessment for a building which means no insurance company would cover it. I mean look at that:
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