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Christine Falk

Introduction to Required Communication Performance (RCP) and Required Surveillance Performance (RSP). SOCM/2. Christine Falk. 8-10 February 2012. Introduction. Guidance & Directives 2. R equired C ommunication P erformance - RCP 400 - RCP 240

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Christine Falk

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  1. Introduction toRequired Communication Performance (RCP) andRequired Surveillance Performance (RSP) SOCM/2 Christine Falk 8-10 February 2012

  2. Introduction • Guidance & Directives 2. Required Communication Performance - RCP 400 - RCP 240 3. Required Surveillance Performance - RSP 400 - RSP 180

  3. Guidance PublicationsFor RCP and RSP • ICAO Doc 4444 and ICAO Annexes 2,6,10, and 11 • Global Operational Data Link Document (GOLD), 14 June 2010 -- Derived from these documents • RTCA DO-306 Safety and Performance Standard for Air Traffic Data Link Services in Oceanic and Remote Airspace (Oceanic SPR Standard), 11 October 2007 • ICAO Document 9869, Manual on Required Communication Performance, First Edition, 2008

  4. Authorization Requirement ICAO Annex 6, Chapter 7 7.1.3 For flights in defined portions of airspace or on routes where an RCP type has been prescribed, an aeroplane shall, in addition to the requirements specified in 7.1.1: a) be provided with communication equipment which will enable it to operate in accordance with the prescribed RCP type(s); and b) be authorized by the State of the Operator for operations in such airspace.

  5. Performance Based Operations RNP RCP Balances capability & performance of: N C (RCP) • Communications ATM (RNP) • Navigation (RSP) • Surveillance S • Air Traffic Management (ATM) RSP RNP – required navigation performance RCP – required communication performance RSP – required surveillance performance

  6. Required Communication Performance A statement of communication performance necessary for a particular operation or service. • Operationally derived and not based on any specific techniques, technologies and/or architecture. • Defined for an operational communication transaction (two-way) • Includes both human and technical elements • Applies to both voice and data link communications

  7. GOLD / RTCA DO-306

  8. RCP specification is… • A label that defines a performance standard for operational communication transactions (e.g. RCP 400) • Provides allocations to the air traffic service provider (ATSP), communication service provider (CSP), aircraft operator and aircraft system • Denotes operational values for: • Communication transaction time • RCP Continuity • RCP Availability • RCP Integrity

  9. RCP definitions Operational communication transaction - The process a human uses to send an instruction, a clearance, flight information and/or a request. The process is completed when that human is confident that the transaction is complete. RCP Communication Transaction Time - The maximum time for the completion of the transaction after which the initiator should revert to an alternative procedure. RCP Continuity- Probability that a transaction can be completed within the communication transaction time given that the service was available at the start of the transaction. - Either expiration time (ET) or nominal time (TT) of 95% RCP Availability - Probability that a transaction can be initiated when needed. RCP Integrity- Probability that a transaction is completed with no undetected errors.

  10. Oceanic RCP specifications(applies to CPDLC) CPDLC – Controller Pilot Data Link Communication

  11. RCP 400 99.9% ≤ 400 sec 95% ≤ 350 sec ATM System RCP 400 99.9% ≤ 310 sec 95% ≤ 260 sec RCP 400 99.9% ≤ 370 sec 95% ≤ 320 sec Clearance acknowledgement received Intervention clearance issued RCP 400 99.9% ≤ 60 sec 95% ≤ 60 sec Controller / HMI Controller / HMI CSP System CSP System Aircraft System Flight Crew / HMI Aircraft System ATSU System ATSU System Controller confident transaction complete RCTP RCTP PORT TRN RCP Type communication transaction time RCTP – Required Communication Technical Performance PORT – Pilot Operational Response Time TRN – Monitored Operational Performance HMI – Human Machine Interface

  12. RCP 240 99.9% ≤ 240 sec 95% ≤ 210 sec RCP 240 99.9% ≤ 210 sec 95% ≤ 180 sec RCP 240 99.9% ≤ 150 sec 95% ≤ 120 sec Clearance acknowledgement received Intervention clearance issued RCP 240 99.9% ≤ 60 sec 95% ≤ 60 sec Controller / HMI Controller / HMI CSP System CSP System Aircraft System Flight Crew / HMI Aircraft System ATSU System ATSU System Controller confident transaction complete RCTP RCTP PORT TRN RCP Type communication transaction time RCTP – Required Communication Technical Performance PORT – Pilot Operational Response Time TRN – Monitored Operational Performance HMI – Human Machine Interface

  13. RCP Availability Criteria CPDLC – controller pilot data link communications CSP – communication service provider

  14. RCP Availability Criteria

  15. TOD RCP 60/D - TAP RCP 240/D - RHSM RCP 60/D - IC RCP 400/D – IC RCP 10/V - Basic RCP 400/V - Basic RCP 10/V - Basic And here we conduct our flight SATCOM radio fails En Route Oceanic En Route Terminal Terminal GES Outage 1.RCP types for service level(s) published in AIPs and charts 2. Eligible Operators file for service level(s) 3.Pilot/controller know RCP type, just as they know RNAV/RNP type 4. Pilot/controller operates according to RCP type 5. Ground side monitors communication service 6. Air side monitors aircraft system 7. Pilot/controller receivesalerts for communication failures /D - Data /V - Voice IC – Increased capacity RHSM – Reduced horizontal separation minima TAP – Tailored Arrival Procedure

  16. Any questions on RCP?

  17. Evolution of Surveillance Voice Position Report Primary surveillance radar Secondary surveillance radar (SSR) ADS-C

  18. Required Surveillance Performance - RSP • Defines high-level surveillance system performance requirements. • Operationally derived and not based on any specific techniques, technologies and/or architecture. • Includes both ground and airborne systems. • Supports a particular ATM application (e.g. reduced separation)

  19. GOLD / RTCA DO-306

  20. RSP specification is… A label (e.g. type 400) that represents the values assigned to surveillance performance parameters for: • Surveillance data transit time • RSP Continuity • RSP Availability • RSP Integrity Provides allocations to the air traffic service provider, communication service provider, aircraft operator and aircraft system

  21. RSPdefinitions Surveillance data transit time-The required time for surveillance data delivery. RSP Continuity-The required probability that surveillance data can be delivered within the delivery time parameter given that the service was available at the start of delivery. - Either Overdue Time (OT) or nominal delivery time (DT) of 95% RSP Availability -The required probability that surveillance data can be provided when needed. RSP Integrity-The required probability that surveillance data is delivered with no undetected error.

  22. Oceanic Surveillance Performance Specification (applies to ADS-C) Note: The navigation figure of merit (FOM) is specified on the navigation criteria associated with this specification.

  23. RSP 400 – time / continuity RSP 400 99.9% ≤ 400 sec 95% ≤ 300 sec Aircraft System CSP System ATSU System Controller / HMI Flight Crew / HMI Time at position, or, for ATSU System monitoring, time expected at Position. RSP 400 99.9% ≤ 30 sec 95% ≤ 15 sec RSTP AIR Surveillance Data Delivery RSP 400 99.9% ≤ 340 sec 95% ≤ 270 sec RSTP CSP RSP 400 RSTP RSP 400 99.9% ≤ 30 sec 95% ≤ 15 sec RSTP ATSP Surveillance Data RSTP – Required Surveillance Total Performance

  24. RSP 180 – time / continuity RSP 180 99.9% ≤ 180 sec 95% ≤ 90 sec Aircraft System CSP System ATSU System Controller / HMI Flight Crew / HMI Time at position, or, for ATSU System monitoring, time expected at Position RSP 180 99.9% ≤ 5 sec 95% ≤ 3 sec RSTP AIR Surveillance Data Delivery RSP 180 99.9% ≤ 170 sec 95% ≤ 84 sec RSP180 RSTP CSP RSTP RSP 180 99.9% ≤ 5 sec 95% ≤ 3 sec RSTP ATSP Surveillance Data RSTP – Required Surveillance Total Performance

  25. Surveillance Availability Criteria

  26. Surveillance Availability Criteria

  27. RCP / RSP is not the same as RNP Some similarity, but…

  28. Summary 1. Guidance & Directives 2. Required Communication Performance - RCP 400 - RCP 240 4. Required Surveillance Performance - RSP 400 - RSP 180

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