What should pilots do if there is difficulty establishing two-way communication before entering Class D airspace?

In situations where pilots encounter difficulty establishing two-way communication before entering Class D airspace, the correct action is to remain outside until communications are established. Class D airspace requires pilots to maintain communication with the controlling air traffic facility prior to entry. This is crucial for maintaining safety and ensuring that the airspace is managed effectively.

Remaining outside the airspace while trying to establish communication ensures that the pilot does not impede the flow of traffic already utilizing the airspace, which could lead to potential conflicts or accidents. It is also important for situational awareness, allowing both the pilot and air traffic control to manage their respective responsibilities without risking safety. Once communication is successfully established, the pilot can then request clearance to enter the Class D airspace.

Attempting to land without clearance or entering the airspace without communication compromises safety and violates air traffic rules. Contacting another controller would not be an appropriate solution if the pilot cannot communicate effectively with the controller in the vicinity. Thus, remaining outside until communication is restored aligns with the regulations and promotes a safer operational environment.