Air Transport Systems Marketing Bulletin Ref. No. ATS-55 Pub Date 06/2014 TCAS II Change 7.1. Mandate And Solution Overview. VALUE PROPOSITION For customers planning aircraft equipment upgrades to address the European TCAS Change 7.1 mandate, Rockwell Collins offers cost effective and innovative solutions with extensive reuse of existing control panels, wiring, and TCAS antennas. Figure 1 In conjunction with these solutions, Rockwell Collins also offers an upgrade path for those customers wanting to gain the operational benefits associated with the ADS-B In and CDTI applications. Depending on existing aircraft equipage, the available upgrade options are: Current TTR-920 operators: > Plug and play replacement to the TTR-921 complies with the TCAS Change 7.1 requirement. Compliant units are available today. Source Eurocontrol: Figure is a comparison of “Adjust vertical speed, adjust” and “Level off, Level off” RAs Figure 2 > If aircraft is configured to provide A429 Radio Altimeter and Magnetic Heading inputs, replacement with the TTR-2100 complies with the TCAS Change 7.1 requirement and provides a platform for implementing ADS-B In and CDTI applications. TTR-2100 units are available today. Current TTR-921 Operators: > Software upgrade to comply with TCAS 7.1 requirement. Service Bulletin 504 is available today. > If aircraft is configured to provide A429 Radio Altimeter and Magnetic Heading inputs, replacement to the TTR-2100 complies with the TCAS Change 7.1 requirement and provides a platform for implementing ADS-B In and CDTI applications. TTR-2100 units are available today. For New Aircraft Installations > Installation of TTR-2100, providing compliance to Change 7.1 TCAS Mandates and growth to ADS-B In and CDTI applications Additional details are included at the end of this bulletin. Information source: Eurocontrol Source Eurocontrol: Figure is a description of TCAS II Version 7.1 improved reveral logic The above figures were taken from the Eurocontrol ACAS Bulletin No 14 located at: http://www.eurocontrol.int/msa/gallery/content/public/ documents/ACAS_bulletin_14.pdf BACKGROUND AVSA RA During a joint session in March 2008, the RTCA SC (Special Committee) 147 and EUROCAE WG (Working Group) 75 agreed on the final version of updated TCAS II standards, to be known as TCAS II version 7.1. The RA aural change to "Level Off, Level Off" derives from the potential incorrect responses from pilots to "Adjust Vertical Speed, Adjust" (AVSA) RAs. Operational monitoring has revealed that in some cases pilots have increased their vertical speed instead of reducing it, consequently, causing a deterioration of the situation. Changes to the Adjust Vertical Speed advisories simplify the number of RAs in this category to one RA and changes the aural message to "Level Off, Level Off". This update to the MOPS (Minimum Operational Performance Standards) was approved by the RTCA Program Management Committee in June 2008 (document DO-185B) and by the EUROCAE Council in September 2008 (document ED-143). The FAA subsequently published the TCAS II version 7.1 Technical Standard Order, TSO-c119C, in April 2009. The European Aviation Safety Agency (EASA) has also published its ETSO. The European Commission has published the Implementation Rule (IR) in the European Journal and it is now mandated. The mandate applies to all civil aircraft operating in European airspace which have 5700kg MTOM, or carry more than 19 passengers, or already have TCAS II installed. The Rule was published in the EU Official Journal on the December 16, 2011, Commission Regulation No. 1332/2011. The timeframe for the rule is: Forward Fit deliveries: Retrofit Aircraft: March 1, 2012 December 1, 2015 Further information concerning the mandate, operational approval, flight crew operating requirements, and other helpful information is available at the following Eurocontrol Website: http://www. eurocontrol.int/msa/public/standard_page/ACAS_Upcoming_ Changes.html. Two key areas of change in TCAS II version 7.1 include the performance of the Resolution Advisory (RA) reversal logic [Figure 1] and the performance and aural message for the Adjust Vertical Speed advisories [Figure 2]. These enhancements were identified by EUROCONTROL through extensive analysis of pilot responses to TCAS II commands in European airspace. REVERSAL RA The basic principle for the reversal logic enhancement is to allow either aircraft to detect that the two aircraft are climbing or descending simultaneously. With this determination, a reversal advisory may be issued. Changes to the reversal logic allow more opportunity for either aircraft in a TCAS II to TCAS II encounter to command a reversal of the initial RA. Replacing the several “Adjust Vertical Speed, Adjust” RAs with a single “Level-off, Level-Off” RA should improve aircraft response as the associated aural message is straightforward and the associated maneuver corresponds to the standard maneuver already performed in critical situations. BOEING AND ROCKWELL COLLINS COLLABORATION ON AIRCRAFT SERVICE BULLETINS Boeing and Rockwell Collins are working together to streamline an airline or operator’s ability to implement TCAS Change 7.1 on their aircraft. This will be done through a combination of the Boeing blockpoint (Service Bulletins) Option or the Rockwell Collins STC options: Boeing Options for TCAS Change 7.1 (737-CL/7 37NG/7474/757/767/777): > Block point SB – $19,500/customer fleet (per model) 2011 USD STE * > Stand-alone SB – $36,000/customer fleet (per model) 2011 USD STE * By accepting the blockpoint SB proposal, the customer will be included in a blockpoint release of a TCAS Change 7.1 service bulletin. A blockpoint is defined as a pre-determined release date where multiple customers will be included on one service bulletin. If the customer chooses not to be included in this blockpoint release, they may request a separate proposal from Boeing that will provide them a stand-alone service bulletin release date at an additional cost. Note: this pricing is contingent on the aircraft having a Boeing installed TCAS 7.0. * Pricing subject to change. Final pricing will be provided via firm proposal. Please contact your Boeing Account Manager or your Rockwell Collins Account Manager for further details on availability and the necessary requirements. AIRBUS AND ROCKWELL COLLINS AFTERMARKET SOLUTIONS ROCKWELL COLLINS STC AVAILABILITY Rockwell Collins solutions are available as retrofit on Airbus platforms following the type certification of the equipment. There are specific STCs available for a wide variety of aircraft and aircraft types. Information on specific STCs for your aircraft can obtained from your Rockwell Collins Account Manager. This process can be initiated by the customer through their Airbus Representative, and request of aftermarket retrofit solutions through the RFC/RMO (Request for Change/Retrofit Modification Offer) process. For Part 25 aircraft, including not in production Airbus aircraft, we have FAA and EASA accepted AML STCs for updating the TTR-920 to TTR-921 Change 7.1 or TTR-921 Change 7.0 to TCAS Change 7.1 Please contact your Airbus Representative or Rockwell Collins Account Manager for further details on availability and necessary requirements. For Part 25 aircraft, including not in production Airbus aircraft we will have FAA and EASA accepted AML STCs for replacing either the TTR-920 or the TTR-921 with a TTR-2100 OPTIONS FOR OPERATORS TO MEET THE CHANGE 7.1 MANDATE REGULATORY INFORMATION – RELATED ACS, AND TSOS AC 20-151A (Advisory Circular) – Airworthiness Approval of Traffic Alert And Collision Avoidance Systems (TCAS II), Versions 7.0 & 7.1 and Associated Mode S Transponders TSO C119C (Technical Standard Order) – Traffic Alert And Collision Avoidance System (TCAS) Airborne Equipment, TCAS II With Optional Hybrid Surveillance AC 20-131A – Airworthiness and Operational Approval of Traffic Alert and Collision Avoidance Systems (TCAS II) and Mode S Transponders AC 120-55B – Air Carrier Operational Approval and Use of TCAS II For existing Rockwell Collins installations, there is no need to change existing control panels, wiring or antennas. TTR-920 is not upgradeable to meet the Change 7.1 mandate Option 1) Replace TTR-920 with a TTR-921, CPN 822-1293-XXX to meet Change 7.1 mandate The TTR-921 Change 7.1 is available today: Boeing Platforms CPN 822-1293-033 Airbus Platforms CPN 822-1293-332 RECOMMENDED SOLUTIONS Option 2) Rockwell Collins recommends common part numbers for all products on each respective aircraft to allow for efficient sparing and support. Replace TTR-920 with a TTR-2100, CPN 822-2911-XXX to meet Change 7.1 mandate. TTR-2100 also provides ADS-B In traffic computer capability (change of antennas not required). Rockwell Collins TCAS products include: The TTR-2100 is available as follows: > TTR-920, CPN 622-8971-XXX Boeing Platforms: > TTR-921, CPN 822-1293-XXX Available Today > TTR-2100, CPN 822-2911-XXX Airbus Platforms Available Q1 2015 The TTR-2100 is our next generation TCAS II (ARINC 735B)/Traffic Computer System. The TTR-2100 is TCAS Change 7.1 certified and is the go forward ARINC 735B Traffic Computer (ADS-B In and CDTI) platform. CPN 822-2911-001 CPN 822-2911-020 TTR-921 can be upgraded to meet the Change 7.1 mandate Option 1) Update TTR-921 with Service Bulletin 504 (S/W only) to meet TCAS 7.1 mandate. The TTR-921 Change 7.1 Service Bulletin is available today: - Boeing Platforms: Converts the unit from CPN 822-1293-003 to CPN 822-1293-033. - Airbus Platforms: Converts the unit from CPN 822-1293-322 to CPN 822-1293-332. Option 2) Replace TTR-921 with a TTR-2100, CPN 822-2911-XXX to meet Change 7.1 mandate. TTR-2100 also provides ADS-B In traffic computer capability (note: change of antennas not required). The TTR-2100 is available as follows: Boeing Platforms: CPN 822-2911-001 Available Today Airbus Platforms CPN 822-2911-020 Available Q1 2015 How can we help? Please call Rockwell Collins Customer Support at 319.295.5000. Building trust every day. Rockwell Collins delivers smart communication and aviation electronic solutions to customers worldwide. Backed by a global network of service and support, we stand committed to putting technology and practical innovation to work for you whenever and wherever you need us. In this way, working together, we build trust. Every day. For more information, contact: Rockwell Collins 400 Collins Road NE Cedar Rapids, Iowa 52498 +1.319.295.4085 email: csmarketing@rockwellcollins.com www.rockwellcollins.com 06/14 ©2014 Rockwell Collins. All rights reserved. All logos, trademarks or service marks used herein are the property of their respective owners.
