Fortunately, as the name implies, it is very high up. That said, it's so comparatively small that there's no room for planes to land on it, and the one in that hangar doesn't so much take off as it does fall off, and pull up before hitting the ground.
Airborne Aircraft Carrier: The Mile High Club, which is essentially a luxury cruise ship with wings and engines suspended from a pair of massive zeppelins, possesses a small helipad, and a rear hangar for a single jet aircraft.
