If an airfield has numbers or does not have 4 characters, how are the put into the ROUTE OF FLIGHT block on an 1801?

If an airfield has numbers or does not have 4 characters, how are the put into the ROUTE OF FLIGHT block on an 1801?

• A. As listed
• B. Replaced with ZZZZ
• C. Entered with NNNN
• D. Left blank

Answer: (A)

The route of flight block is filled with the exact identifiers of airfields or waypoints in the order you plan to fly them. If an airfield has numbers or doesn’t have four characters, you enter that identifier exactly as it’s published. This preserves the precise routing so ATC and the flight data systems can correctly match the leg to the intended facility. Replacing it with a placeholder like ZZZZ or NNNN would create an invalid waypoint and could lead to confusion or routing errors, and leaving it blank would omit a necessary part of the route. So the correct approach is to enter the identifier exactly as listed.

The route of flight block is filled with the exact identifiers of airfields or waypoints in the order you plan to fly them. If an airfield has numbers or doesn’t have four characters, you enter that identifier exactly as it’s published. This preserves the precise routing so ATC and the flight data systems can correctly match the leg to the intended facility. Replacing it with a placeholder like ZZZZ or NNNN would create an invalid waypoint and could lead to confusion or routing errors, and leaving it blank would omit a necessary part of the route. So the correct approach is to enter the identifier exactly as listed.