What is the phraseology used to communicate a handoff in this scenario: SWA35, FL190, OKC240050?

The correct phraseology for the handoff in this scenario emphasizes the importance of precise location and altitude when communicating with another facility. In this case, using "five zero miles southwest of Oklahoma City, flight level one niner zero" accurately describes the aircraft's position and altitude.

In air traffic control, the use of cardinal directions (such as southwest, northeast, etc.) is crucial for providing a clear and understandable reference point for other controllers. The phrase's clarity ensures that the aircraft's location relative to Oklahoma City is unambiguous, which is essential for effective coordination.

The altitude, specified as "flight level one niner zero," communicates that the aircraft is flying at 19,000 feet, ensuring that the receiving controller has all the necessary information to manage the aircraft's flight appropriately.