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FANS 1/A over Iridium (FOI)

FANS 1/A over Iridium (FOI). Status. Presented to: SOCM/2. By: Tom Kraft tom.kraft@faa.gov. Date: 8-10 February 2012. Introduction. Mar 08 – FOI project plan May-Jul 2010 – FOI operational evaluation 17 Sep 2010 – PARC submits FOI and Performance Based Concept Recommendations to FAA

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FANS 1/A over Iridium (FOI)

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  1. FANS 1/A over Iridium (FOI) Status Presented to: SOCM/2 By: Tom Krafttom.kraft@faa.gov Date: 8-10 February 2012

  2. Introduction • Mar 08 – FOI project plan • May-Jul 2010 – FOI operational evaluation • 17 Sep 2010 – PARC submits FOI and Performance Based Concept Recommendations to FAA • In June 2011, the FAA responded to the PARC, agreeing with the recommendations in the report

  3. Why the spotlight on Iridium? • Iridium promotes FANS 1/A expansion • Lower cost solution than other alternatives • Draws less power • Lighter in weight • Global coverage, including the Polar Region • FANS 1/A enables • Reduced ADS‑C-based separations • More efficient operations • Reduced CO2 emissions minimizing environmental impact • Reduced effects of operational errors/pilot deviations Iridium enables applications – Passenger (APC) Company (AAC, AOC) FANS 1/A (ATS) FANS 1/A enables ATM benefits

  4. PARC FOI & PBC recommendations • PARC submitted letter to FAA in Sep 2010 “ RECOMMENDATION 1. Expedite the steps necessary to remove restrictions on current FOI operations to realize immediate gains in efficiency and safety benefits.” “ RECOMMENDATION 2. In the near and mid terms, plan for and implement a performance-based framework for RCP and surveillance performance specifications.” (See PARC CWG presentation for PBC update)

  5. FAA responded in June 2011 “ With proven benefits in operational efficiency, environmental impact, and safety, the FAA has identified FANS 1/A as an enabler for NextGen. … The FAA agrees FOI will promote FANS 1/A expansion, and accepts FOI as a viable means for air traffic service (ATS) communications, particularly in accordance with performance specifications for reduced oceanic separations based on automatic dependent surveillance – contract (ADS­C).”

  6. FOI planning and implementation • Remove airspace restrictions – to apply reduced ADS-C-based separations to eligible FOI aircraft • In Oakland Flight Information Region (FIR) • FAA will advocate removal of any restrictions imposed by other air navigation service providers • FAA has been and will continue to approve FOI installations and operations • Design approval of FOI installations per FAA Advisory Circular (AC) 20­140A • Data link operational authorizations via A056 Ops Spec per FAA AC 120­70B & FAA Order N8900.66

  7. Potential for FOI growth in the NAT Region (1 of 2) • Approximately 1,400 flights daily in the NAT, 48% fleet currently equipped with FANS 1/A CPDLC & ADS-C • All aircraft shall operate FANS 1/A CPDLC & ADS-C(outside VHF data link coverage) a) from 7 February 2013, on specified tracks and flight levels within the NAT organized track system (OTS); and b) from 5 February 2015, in specified portions of NAT minimum navigation specifications (MNPS) airspace. • Current thinking, initially • No more than 2 specified tracks in the OTS, FL360 to FL390, inclusive • No exemptions in the applicable airspace • Beyond 2015 to be determined

  8. Potential for FOI growth in the NAT Region (2 of 2) • Other operational improvements being investigated in the NAT for implementation 2015 and beyond • Transition Minimum Navigation Performance Specification (MNPS) to Performance-Based Navigation (PBN) • NAT Required Communication Performance (RCP) and Required Surveillance Performance (RSP) Operations Implementation Plan (for Feb 2015) – applies to FANS 1/A • Reduced (5-min) Longitudinal Separation Minimum (RLongSM) (in trials March 2011) – will require FANS 1/A • Reduced (25 NM) Lateral Separation Minimum (RLatSM) – will require FANS 1/A

  9. Potential for FOI growth Elsewhere • Polar Region – FOI provides “true” global coverage • PACOTS – FOI can increase equipage rates • Increasing the number to opportunities to apply reduced separations when more aircraft are FANS1/A capable

  10. FOI recognition • NAT SPG planning to formally acknowledge FANS 1/A over Iridium Short Burst Data and Inmarsat I3 Classic Aero as eligible for NAT data link operations • Based on PARC CWG FOI Project and Report • Expected to occur in June 2012 (NAT SPG/48) • At IPACG, JCAB still trialing FOI, need more time • However, similar to FAA systems, JCAB systems have no operational means to determine the type of media the aircraft is using for FANS 1/A operations in the Fukuoka FIR • Reduced separations can be applied (or mis-applied) to FOI aircraft that indicate RNP4 in their flight plan

  11. FANS 1/A aircraft definition • GOLD definition of FANS 1/A aircraft  an aircraft with a data link system that has been certified in accordance with the requirements specified in RTCA DO­258A/ EUROCAE ED­100A (FANS 1/A INTEROP Standard), or previous version • DO‑258A/ED‑100A includes provisions for use of VHF, satellite and HF sub-networks that are compatible with the ACARS network. • it does not require or specify any specific sub-network(s) that an aircraft must use for FANS 1/A operations

  12. Current FANS 1/A configurations • Throughout the world, operators with FANS1/A aircraft use CPDLC and ADS‑C services • over a variety of subnetworks, including VHF (Mode0/A and Mode 2), Inmarsat Classic Aero over the I3 and I4 satellites, Iridium SBD, and HFDL

  13. FAA means of compliance (1 of 2) • The FAA certifies FANS 1/A aircraft in accordance with AC20‑140A • The FAA authorizes operational use of data link, i.e. CPDLC and ADS-C, in accordance with AC 120‑70B and FAA Order 8900.1 • For FANS 1/A aircraft, these FAA documents recognize DO‑258A/ED‑100A or previous version, as acceptable means of compliance • consistent with the GOLD definition

  14. FAA means of compliance (2 of 2) • Further, these FAA ACs recognize a number of sub-networks and associated standards as acceptable means of compliance for FANS 1/A aircraft • Means of compliance for Iridium’s SBD services is RTCADO‑262A, Normative Appendix, section 2 • The FAA have certified and continue to certify FANS1/A aircraft that use the Iridium SBD sub-network in accordance with applicable ACs and Orders • Other appropriate authorities have also issued design approvals and authorized operational use of FOI aircraft

  15. FOI aircraft – More than 100 by 2013

  16. ICAO provisions • Standards and Recommended Practices (Annex 10), PANS/ATM (Doc 4444) and Regional Supplementary Procedures (Doc 7030) and other ICAO guidance material (e.g., ICAO Doc 9925) • FOI is a viable means for conducting ATS communications and FOI aircraft are eligible for CPDLC and ADS‑C operations anywhere in the world

  17. Summary • FANS 1/A over Iridium (FOI) is now being accepted as a means of compliance to CPDLC and ADS-C airspace requirements • U.S. • NAT • Other States/regions may be pending further evaluation

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