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There are many activities afoot in the US and elsewhere to bring about the relatively near-term implementation of various data link technologies – both in the cockpit and on the ground. In today’s landscape, communication between pilots and controllers on the oceanic airways of the North Atlantic (NAT) is accomplished oftentimes through a combination of long-range VHF radios, HF radios, and for those equipped and approved, Controller Pilot Data Link Communications (CPDLC) technology – the in-cockpit text messaging ability.
Tomorrow’s world, as aligned with NextGen transformations, will see these data link technologies implemented in an effort to alleviate the audio congestion on radio frequencies thereby increasing airspace capacity, direct routing and allowing for faster clearances with auto-acceptance.
Data Link Components
The three primary components to data link communications are Future Avionics Navigation Systems (FANS) 1/A, CPDLC, and Automatic Dependent Surveillance - Contract (ADS-C). ADS-C is similar to ADS-B, but is used primarily for making position reports. With the same data link system operators should be able to request and receive their oceanic clearance. ADS-C is separate from CPDLC – you can use ADS-C without CPDLC, but not CPDLC without ADS-C. These two systems combined provide the basis for FANS compatibility.
Data Link Implementation
The FAA has published several notices that address data link enhancements and operations in the NAT. In the NAT FANS 1/A, CPDLC and ADS-C will begin Phase 1 on February 7, 2013 on two designated tracks over the Atlantic between Flight Levels 360 and 390 inclusively. Phase 2 will cover a broader area of the MNPS (Minimum Navigation Performance Airspace) beginning February 2015 with further details on vertical and lateral dimensions to come.
All of these activities will allow for greater safety, efficiency and capacity both in airspace, spectrum and manpower. For the present they are non-exclusionary to allow for a reasonable period to phase in these new and different technologies, but the day is fast approaching when these blocks of airspace will require participation for access and that will require installation of some additional avionics.
- Operators Urged to Become Familiar With Data Comm as TEB, HPN Rollouts Approach
- Feb. 1, 2016
Business aircraft operators that are equipped to use data communications (Data Comm) to communicate with air traffic controllers are encouraged to take advantage of the safety- and efficiency-enhancing technology, which is close to rolling out at two key business aviation airports: Teterboro Airport (TEB) in New Jersey and Westchester County Airport (HPN) in White Plains, NY. Data Comm capability for IFR departure clearance already is in place at about half a dozen U.S. airports, and the FAA plans to have it at 56 airports by 2017. Data Comm operations are expected to start at TEB in late March, with HPN following in mid-April. Learn more about Data Comm.
- New Flight Deck-ATC Data Comm Services Coming to Business Aviation Airports
- Jan. 13, 2016
The shift from voice to data communications between pilots and ATC is expected to gain traction in 2016, so business aircraft operators need to familiarize themselves with these new technologies, especially since they will be introduced at two key business aviation airports this spring – Teterboro, NJ (TEB) and White Plains, NY (HPN). One way to learn more about this topic is to participate in a free NBAA webinar, which takes place at 1 p.m. (EST) at Jan. 27, and will provide pilots and other interested stakeholders with an overview of the upcoming changes. Learn more about the issue and register for the webinar.
- FAA Introduces Controller Pilot Data Link Communications – Departure Clearance
- Nov. 5, 2015
The FAA is rolling out Controller Pilot Data Link Communications-Departure Clearance (CPDLC-DCL). Currently, only George Bush Intercontinental Airport in Houston, TX (IAH), William P. Hobby Airport in Houston, TX (HOU) and Salt Lake City International Airport in Utah (SLC) are operational, however, the FAA plans to bring 56 airports online by the end of 2016. Business aircraft operators should note that New Jersey's Teterboro Airport (TEB) is scheduled to be operational by the end of the March 2016. Learn more about CPDLC – DCL.
- FAA Releases New Guidance for Approval, Use of Data Link Communications
- May 29, 2015
In anticipation of more widespread deployment of Controller Pilot Data Link Communications (CPDLC) systems in the United States, the FAA recently issued revised guidance for domestic operators seeking approval to use these systems. CPDLC provides in-cockpit text messaging capabilities between air traffic control and flight crews in regions with poor VHF or HF radio reception, or when two-way voice communications may not be possible. "We're only going to see more aircraft equipped with CPDLC in the years ahead," said Brian Koester, NBAA project manager, operations. "While the infrastructure is still being developed to support widespread data link communications in the U.S., the FAA has laid the groundwork for a defined process that business aviation operators may use to receive LOA approval for systems onboard their aircraft." Read more about the new guidance.
- FAA Announces Phase 2 of the NAT Data Link Mandate
- Nov. 25, 2013
The FAA on Dec. 12 will publish a notice to airmen detailing plans for the rollout of Phase 2 of the North Atlantic Systems Planning Group's (NAT SPG) North Atlantic Data Link Mandate (NAT DLM). The implementation begins with Phase 2a, on Feb. 5, 2015, when flights within the NAT Organized Track System between FL350 and FL390 (inclusive) will be required to be equipped with FANS 1/A (or equivalent) controller-pilot data link communications (CPDLC) and ADS-C systems. Phase 2b begins on Dec. 7, 2017 and expands the affected airspace to the ICAO NAT Region. When Phase 2c takes effect on Jan. 30, 2020, all flights at FL290 and above will need the required equipment throughout the ICAO NAT Region. For more information, contact NBAA's Operations Service Group at firstname.lastname@example.org or review the FAA's announcement.
- Implementation of Data Link Communication Set for North Atlantic
- August 20, 2012
Beginning in February 2013, Phase 1 of data link technology efforts will go into effect for portions of the airspace over the North Atlantic (NAT). Throughout the month of August 2012 the FAA will be publishing several notices that address operations in this area. In order to enhance safety, efficiency, and capacity in this region, FANS 1/A, CPDLC, and ADS-C will be implemented on two designated tracks over the Atlantic between Flight Levels 360 and 390 inclusively. It will be mandatory for aircraft to be properly equipped to operate at those altitudes.