When Can An Aircraft See The Airport

Above is a visual of when and where aircraft can see the airport, to report airport in sight. In this scenario KSAN is using runway 27, so aircraft would be flying eastbound. The white line signifies the path the pilot will be able to see the airport, the grey is a path the pilot would not be able to see the airport.

This is a helpful piece of information to have for approach controllers who are learning when to issue a “report airport in sight” command. If they can’t see the airport, how are they supposed to report airport in sight?