Commercial Pilot License (CPL) Practice Exam 2025 - Free Commercial Pilot License Practice Questions and Study Guide

When landing at a towered airport without radio communications, squawking 7600 indicates a loss of radio communications and alerts air traffic control to the situation. This allows the aircraft to enter the traffic pattern while awaiting light signals from the control tower. Utilizing the transponder to set this code signifies to the tower that the aircraft is experiencing radio failure, thereby providing the opportunity to receive visual signals, such as ground lights, to assist in landing safely.

Attempting to establish radio contact while approaching or entering the traffic pattern is not advisable, as this could lead to confusion with other aircraft and potentially create safety hazards. Proceeding to land regardless of traffic is dangerous since it disregards the need for situational awareness in a controlled airspace environment. Similarly, continuing to circle the airport until the radio issues are resolved can lead to inefficient use of airspace and does not actively address the situation, particularly if other aircraft are in the vicinity.

Therefore, squawking 7600 and preparing to respond to visual signals ensure compliance with air traffic procedures in the event of radio communication loss, promoting safety and effective management of airport operations.