A Status Report on the Development of Minimum Aviation System Performance Standards (MASPS) for a GNSS-Based Special Category I (SCAT-I) Precision Approach System

Keith McDonald and George T. Ligler

Abstract:	In response to a request by the FAA, a SCAT-I MASPS Development Team was formed in September 1992 under the auspices of RTCA Special Committee 159 to accelerate development of initial standards for GNSS-based precision approach systems to be used within the National Airspace System as early as late 1993 or 1994. A GNSS-based Special Category-I precision approach is a specially authorized approach made to MLS/ILS Category I minima with differential GNSS used as the primary navigation input. SCAT-I approaches will be authorized by the FAA based upon an aircraft operator’s demonstrated capability. Such authorizations are likely to be for specific aircraft approaching specific airports. This presentation overviews MASPS Team activities, highlights Team discussions, and addresses the team participation and schedule. An initial draft MASPS was issued on January 9, 1993, with completion of the MASPS targeted for the second quarter of 1993.
Published in:	Proceedings of the 1993 National Technical Meeting of The Institute of Navigation January 20 - 22, 1993 Parc 55 Hotel San Francisco, CA
Pages:	425 - 425
Cite this article:	McDonald, Keith, Ligler, George T., "A Status Report on the Development of Minimum Aviation System Performance Standards (MASPS) for a GNSS-Based Special Category I (SCAT-I) Precision Approach System," Proceedings of the 1993 National Technical Meeting of The Institute of Navigation, San Francisco, CA, January 1993, pp. 425-425.
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