What is a requirement for recording clearances and reports?

The requirement for using authorized symbols or abbreviations in recording clearances and reports is essential because it ensures clarity and consistency in communication within the aviation environment. Authorized symbols and abbreviations are universally recognized and help to reduce the amount of time taken for communication, minimizing the chances of misunderstandings that can arise from longer, more complex wording. By adhering to standardized symbols and abbreviations, aviation personnel can ensure that crucial information is conveyed in an efficient manner, which is particularly important in time-sensitive situations such as air traffic control.

In contrast, options like using plain language or full sentences, while they might seem beneficial for clarity, are not as efficient in some operational contexts where brevity and speed are critical. Additionally, relying solely on local codes may lead to confusion or miscommunication when interacting with personnel from other regions or agencies that might not be familiar with those specific codes. Thus, the emphasis on using authorized symbols and abbreviations stands out as the most effective practice for clear and concise communication in the recording of clearances and reports.