Sub-Operating Environment (Sub-OE)
1. An environment with a consistent type of flight operations.
2. A general specification of the surroundings or scenario in which an operation may take place
1. SESAR, Work package C, management team
2. Nato Architecture Framework 3.0 and (EATMA) Guidance Material v7 (D138, Ed. 00.07.00, 2016)
Basic OE are:1. Airport, TMA, En-route and Network
Lexicon Release 2015.2