Related Clues:
- Unmanned plane to make low hum
- Hum uplifting bit of Beethoven or Debussy
- Something from the hive served up in delicatessen or diner
- Go on and on in given order travelling north
- My being under doctor goes on
- Idle chap is leading medic?
- Flying machine in Endor exploded
- Monotonous speaker, doctor on energy
- Surveillance gizmo
- Romeo in socially acceptable flying machine
- Some in hives
- Fledgling delivery method
- Doctor with unit is a lazy person
- Flying bot
- Provider of aerial footage