June 19, 2013 - RTCA

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in the development of 4D standards in both RTCA DO-236 and EUROCAE ED-75 that will support application of trajectory-based airspace. DELIVERABLES: Product Description Due Date Change DO-236 – Minimum Aviation System Performance Standards: Required Navigation Performance for Area Navigation Change 1 to DO-236C This document will define the minimum aviation system performance standards for area navigation systems operating in an RNP environment. This change to the MASPS will define: 1. The four dimensional (4D) standards that support both RNP and trajectory-based operations. 2. A standard for wrong runway monitoring in support of aviation safety initiatives. June 2013 December, 2014* DO-283 - Minimum Operational Performance Standards: Required Navigation Performance for Area Navigation The document will define the 4 dimensional minimum operational performance standards for navigation systems intended for application in a PBN environment. *Committee intends to make a best effort for earlier completion. March 2015* March 2013 SCOPE: The special committee will develop navigation standards intended for designers, manufacturers, and installers of avionic equipment; airspace managers and service providers; and the users of these navigation systems for world-wide operations. The new MASPS will provide guidance for the development of airspace and operational concepts needed to obtain the benefits of enhanced navigation capability in the aircraft. The MOPS will provide the minimum set of requirements needed to demonstrate compliance with the performance and functions in the MASPS while enabling compliance with the PBN operations envisioned to support NextGen and SESAR. The MOPS will also be compatible with the upcoming ICAO navigation specification for advanced RNP, to be published in the update to the ICAO PBN Manual, Document 9613. ENVISIONED USE OF DELIVERABLE(S) FAA policy and guidance for PBN, to include aircraft qualification and certification criteria, along with operational approval guidance, will reference the updated MASPS. The updated MOPS will become the foundation for a new revision to TSO-C115. 2
SPECIFIC GUIDANCE: The special committee will work collaboratively to meet the following Terms of Reference: Describe and revisit functions as necessary to ensure consistent navigation performance for newly considered operations. These operations should include, but not be limited to, RF legs, fixed radius transitions, RNP holding, lateral offsets, and time of arrival control. The special committee will develop accuracy requirements, error budgets, and required operational characteristics for each phase of flight, as applicable. The description will be in sufficient detail to ensure standardization of navigation functions at the aircraft level. Revisit, as appropriate, lessons learned from the operational implementations of PBN to develop further definition of the operational concepts embraced in the MASPS and MOPS. These concepts should include, but not be limited to, RF leg performance, fly-by fix turn performance, vertical navigation performance, and implementation and application of temperature compensation. Develop new criteria by considering existing reference material, including the ICAO PBN Manual, NextGen Advisory Committee Trajectory Operations task group products, EUROCAE ED-75B addendum supporting 4D navigation standards, operational safety enhancements, and changes to navigation sensor standards (e.g. GNSS, SBAS, and GBAS) since the 2003 publications. The goal is to identify duplicate and contradictory material and coordinate actions for standardization of requirements for international applications. Determine appropriate level of functionality for the MOPS in order to support the needs of industry and to enable NextGen. Define the consensus baseline performance standard. Coordinate with SC-214 to ensure consistent definition and use of navigation metrics to enable advanced data communications services. Coordinate with SC-186 to ensure proper requirement allocation, as needed, to support navigation system integration with ADS-B out and ADS-B in applications. Coordinate with SC-217, as needed, to ensure data standards and database processes consistent with MASPS and MOPS requirements. Coordinate with SC-159, as needed, to ensure MASPS RNP requirements provide greater clarity and guidance for GNSS navigators that will be developed for RNP applications. Initial Documentation - the following documents should be made available to this committee: Documents RTCA DO-236C RTCA DO-283A Intended Use Review and use as baseline Review and use as baseline TERMINATION: Activities of SC-227 will terminate with approval by the PMC of the committee’s final documents. Any change/extension of a committee’s terms of reference requires prior PMC approval. 3
Page 1: RTCA Paper No 145-13/PMC-1108 June

June 19, 2013 - RTCA

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