One of the effects is that flying an almost-empty rocket is really easy. When landing, the Falcon 9 first stage actually has too much thrust to even hover stably with one ninth of engines running and that at only partial thrust.
So an empty rocket flying doesn't produce nearly as much noise or pressure waves. So, you could do it like this:
1. The light, almost unfueled rocket stands at airfield
2. People board the light rocket
3. The light rocket flies a short hop to an oil rig (20 km or so). Only one rocket engine needed for takeoff and landing.
4. The light almost empty rocket is fully fueled at the oil rig. It becomes a heavy fully fueled rocket. People stay inside.
5. Heavy fully fueled rocket takes off with all engines blasting with massive noise.
6. Most propellant is expended during acceleration. Heavy fully fueled rocket becomes light almost empty rocket.
7. The light almost empty rocket lands at destination airport with one engine.
8. People offboard
9. Goto 1.