What is true regarding the Morse code identification of the Key West TACAN?

The correct choice indicates that the Morse code identification for the Key West TACAN is removed daily from 0300-1200Z. This timeframe suggests scheduled maintenance or operational requirements that necessitate the removal of the Morse code signal during these hours. Understanding this operational characteristic is essential for pilots and navigators who rely on cues from TACAN for navigation. They need to be aware of this removal period to ensure they do not depend on the TACAN signal for navigation during those hours when it is not available.

The other options suggest continuous availability or seasonal operations, which do not apply to the specific operational procedure of this TACAN. By choosing the correct answer, one acknowledges the importance of adhering to operational schedules that impact navigation aids.