J. SUBILIA AVIALEGAL LLC advises private and public clients from the aerospace field in general.


Aerodrome services providers

Air navigation services

Civil aviation authorities



Systems and planes manufacturers


From well-known international conventions (such as Chicago, Warsaw, Montreal, etc.) to specific national air or space law provisions, J. SUBILIA AVIALEGAL LLC will do its best in assisting you or your company find professional solutions susceptible to answer efficiently and adequately your needs.

J. SUBILIA AVIALEGAL LLC advises private (commercial and non-commercial) and public institutional clients in the aerospace field.

Among its services does J. SUBILIA AVIALEGAL LLC provide legal expert assessments both for private and public entities.

On behalf of its clients, it can initiate discussions with the adequate stakeholders and authorities about flight route openings and airport use.

On request, it also provides tailor-made courses covering a broad range of legal topics in relation with the aerospace industry in general.


J. SUBILIA AVIALEGAL LLC advises its clients from the airport industry: from aerodrome operators to specific aerodrome services providers via ground-handling companies, whatever the issue: regulatory, contracts, liability.
Among its practices, issues relating to aerodrome operators’ liability in case of incident or accident rank among the firsts, together with airport regulatory matters and daily airport operations.


J. SUBILIA AVIALEGAL LLC provides advice, both for public and private clients, on international conventions regulating access to space and navigation in space, as well as its use.

Issues regarding satellite and satellite parts, their homologation, exportation or exploitation can also be dealt with, depending on the circumstances.

Recently, the emergence of drones and their use for all kinds of purposes has led J. SUBILIA AVIALEGAL LLC to develop a new field of competences, from the laws governing the manufacture of drones to those governing their use and integration into civil and military airspace.