Visual Guidance Requirements for Global Positioning System Approaches

This technical note presents a discussion of visual guidance requirements for supporting aircraft instrument approach and landing operations, as they are presently perceived, and addresses further the issue of future requirements in support of Global Positioning System (GPS) instrument approaches. Current instrument approach procedures and the various visual guidance systems required to support them are discussed along with a brief dissertation concerning the purpose of visual guidance system components. The GPS visual guidance requirements are analyzed in detail, and recommendations for supporting visual aids are provided.

Author: Eric Katz