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Performance-Based Navigation Specifications for Efficient Aircraft Operations

This resource provides detailed guidance on RNAV and RNP navigation specifications, addressing operational issues and standards for aircraft navigation in various flight phases. Learn about eligibility, approval guidelines, and training requirements for PBN systems.

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Performance-Based Navigation Specifications for Efficient Aircraft Operations

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  1. Performance Based Navigation:Navigation Specifications John McGraw Manager, Flight Technologies and Procedures Division Flight Standards Service U.S. Federal Aviation Administration

  2. RNAV and RNP Navigation Specifications • Navigation Specifications address aircraft and operational issues • Grouped into two volumes: • RNAV Navigation Specifications • Do not require performance monitoring and alerting • RNP Navigation Specifications

  3. PBN Scope • Incorporate existing operations as practical • RNP-10 classified as RNAV • RNP-4 adds performance monitoring requirement • B-RNAV renamed as RNAV-5 • Basic GNSS approaches renamed RNP APCH • Additional guidance on barometric VNAV • Harmonize European and US RNAV • RNAV-1 and RNAV-2 • Terminal arrival/departure for non-radar • Basic RNP-1 • Advanced instrument approaches • RNP AR APCH

  4. Overview by Flight Phase PBN Manual includes airworthiness, operational and training guidance

  5. DME/DME RNAVJapan

  6. P-RNAV – Night RNAV routes into Schiphol

  7. RNP (AR) APCH Palm Springs, California

  8. Approval Guidelines • Aircraft Eligibility • Can be based on Aircraft Flight Manual or supplemental information • Operational Approval • Operating procedures • Flight crew training • Control of navigation database process, where required • Approval obtained in accordance with State operating rules

  9. Aircraft Requirements • Performance Requirements • Accuracy, Integrity, Continuity, GNSS signal-in-space • Performance monitoring and alerting • Only applicable for RNP systems • Criteria for Specific Navigation Services • Defines allowable systems and required performance • Functional requirements • Just as important as performance • Navigation database requirements

  10. Criteria for Specific Navigation Services

  11. Operating Proceduresand Training • Pre-flight planning • In-flight procedures • Performance expectations (deviation from path) • Pilot has critical role in performance monitoring • Contingency procedures • Training • Lists training tasks considered important, which may already be part of operator’s training program • System-specific information on how navigation system functions is vital to success

  12. Navigation Service Provider Responsibilities • Navigation infrastructure • DME geometry with respect to route • Communication and surveillance • Radar required or not? • Obstacle clearance and route spacing; Publication • Controller • Not meant to impose new requirements • Status monitoring • ATS System monitoring

  13. Conclusion • Navigation Specification provides implementation guidance for PBN operations • Focus of navigation specification is on aircraft and operator • Other aspects covered in appropriate ICAO document (for example, PANS-OPS) • New Navigation Specifications will be developed as appropriate • For example, Advanced RNP-1

  14. Thank you

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