
Southwest Airlines Boeing 737-5H4 N507SW (msn 24184) (Shamu-SeaWorld Adventure Parks) LAX (Roy Lock), originally uploaded by Airliners Gallery.
Southwest Airlines (Dallas) is now using GE Aviation’s “TrueCourse” Required Navigation Procedures (RNP) at 11 airports.
Copyright Photo: Roy Lock. Please click on the photo for additional details on RNP.