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Performance Based Navigation: Navigation Specifications

Performance Based Navigation: Navigation Specifications. John McGraw Manager, Flight Technologies and Procedures Division Flight Standards Service U.S. Federal Aviation Administration. RNAV and RNP Navigation Specifications. Navigation Specifications address aircraft and operational issues

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Performance Based Navigation: Navigation Specifications

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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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