New or modified technical system/infrastructure, human factors element, procedure, standard or regulation necessary to make (or enhance) an operational improvement.
SESAR, European ATM Portal, DS14
Enablers are linked to Operational Improvement Steps that they support. The implementation of a set of Enablers allows an Operational Improvement Step to complete. Enablers are the means to implement the Change in the ATM Operational Environment.
Lexicon Release 2015.1