OPN has various meanings in the Aviation category. Discover the full forms, definitions, and usage contexts of OPN in Aviation.
Open1 adj. Of, pertaining to, or providing accessibility. For example, an open file is one that can be used because a program has issued an open file command to the operating system. Open2 vb. To make an object, such as a file, accessible. To establish a temporary logical connection between a file and a running program. The connection exists until the program closes the connection or the program terminates.
AviationIn Enterprise Service Tools, a service that can be requested from an object to effect behavior. 2. An implementation of functions or queries that an object might be called to perform. alsomethod. 3.In object-oriented design or programming, a service that can be requested at the boundary of an object. Operations include modifying an object or disclosing information about an object.
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