Final answer:
The use of employee portals for boarding an aircraft streamlines the check-in process by allowing airline employees to access and manage their travel information online.
Step-by-step explanation:
The use of employee portals for the purpose of boarding an aircraft for travel is a convenient and efficient way to streamline the check-in process. Employee portals are online platforms that allow airline employees to access and manage their travel information, including flight schedules, boarding passes, and baggage check-in. By utilizing these portals, employees can easily complete the necessary steps for boarding an aircraft, such as checking in, printing boarding passes, and dropping off luggage, without the need for long queues or waiting times at the airport.