A method for accessing electronic charts stored on an aircraft, the method comprising: storing all available electronic charts into an electronic charts architecture comprising a plurality of levels for separating the groups of electronic charts according to their relevance or applicability to current flight operations for efficient electronic chart access, characterized in that the plurality of levels comprises: a database level, configured to provide a database framework for a complete database of the electronic charts stored on the aircraft; a user profile level, configured to provide a user profile framework for user-specific data, the user profile framework including a user-selected registry of user-selected electronic charts; an active charts level, configured to provide an active charts framework for storage and rapid voice-controlled retrieval of active charts applicable to current flight operations; and a cycle charts level, configured to provide a cycle charts framework for toggling a subset of the active charts stored on the aircraft, wherein the active charts level has a larger capacity than the cycle charts level; receiving, via an onboard avionics system, location data for the aircraft; receiving a set of speech data via a user interface of the aircraft; identifying one or more applicable electronic charts, based on the received location data and the received set of speech data from the electronic charts stored in the active charts level; when only one applicable electronic chart is identified, presenting, via an aircraft display, the one applicable electronic chart; and when more than one applicable electronic chart is identified: storing the identified applicable electronic charts in the cycle charts level; and presenting, via the aircraft display, a first one of the applicable electronic charts, by retrieving the applicable electronic charts from the cycle charts level and, upon receiving a respective command, presenting the further applicable electronic charts stored in the cycle charts level by cycling through the further applicable electronic charts stored in the cycle charts level. a database level, configured to provide a database framework for a complete database of the electronic charts stored on the aircraft; a user profile level, configured to provide a user profile framework for user-specific data, the user profile framework including a user-selected registry of user-selected electronic charts; an active charts level, configured to provide an active charts framework for storage and rapid voice-controlled retrieval of active charts applicable to current flight operations; and a cycle charts level, configured to provide a cycle charts framework for toggling a subset of the active charts stored on the aircraft, wherein the active charts level has a larger capacity than the cycle charts level; receiving, via an onboard avionics system, location data for the aircraft; receiving a set of speech data via a user interface of the aircraft; identifying one or more applicable electronic charts, based on the received location data and the received set of speech data from the electronic charts stored in the active charts level; when only one applicable electronic chart is identified, presenting, via an aircraft display, the one applicable electronic chart; and when more than one applicable electronic chart is identified: storing the identified applicable electronic charts in the cycle charts level; and presenting, via the aircraft display, a first one of the applicable electronic charts, by retrieving the applicable electronic charts from the cycle charts level and, upon receiving a respective command, presenting the further applicable electronic charts stored in the cycle charts level by cycling through the further applicable electronic charts stored in the cycle charts level. storing the identified applicable electronic charts in the cycle charts level; and presenting, via the aircraft display, a first one of the applicable electronic charts, by retrieving the applicable electronic charts from the cycle charts level and, upon receiving a respective command, presenting the further applicable electronic charts stored in the cycle charts level by cycling through the further applicable electronic charts stored in the cycle charts level.