AERONAUTICS: Sky the Limit?

In the reign of Edward I (1239-1307), disputes involving the ownership of birds in trees or the right to build a structure which jutted over the edge of a neighbor's land, were settled by the maxim: Cujus est solum, ejus est usque ad coelum (He who owns the soil, owns above it to the sky).

Although the maxim (credited to Accursius, 1182-1260) was coined in a day when man was earthbound, it has survived to provide endless argument on the question of what constitutes trespass by aircraft. Today...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!