Communications, Navigation & Surveillance (CNS)

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  • ADS-B

    Automatic Dependent Surveillance -
    Broadcast (ADS-B)

    Automatic Dependent Surveillance (ADS-B) is widely recognized as a cornerstone technology for monitoring aircraft in the skies and on the ground in the continuing transformation to a Next Generation (“NextGen”) aviation system.

  • ADS-B


    Access to reliable internet on business aircraft is no longer considered a luxury; it is an expected feature that passengers rely on to maximize their productivity.

  • Mode S

    Mode S Transponders

    Mode S Elementary Surveillance (ELS) and Mode S Enhanced Surveillance (EHS) transponders provide additional flight parameters to air traffic control thus improving the quality, detection, identification and altitude reporting of aircraft within the airspace.

  • Data Link

    Data Link

    Data link technologies can alleviate audio congestion on radio frequencies thereby increasing airspace capacity, direct routing and allowing for faster clearances with auto-acceptance.

  • Cockpit Voice Recorders (CVRs)/Flight Data Recorders (FDRs)

    Cockpit Voice Recorders (CVRs)/Flight Data
    Recorders (FDRs)

    A Cockpit Voice Recorder (CVR) records radio transmissions and sounds in the aircraft’s cockpit, such as the pilot’s voices and engine noises while a Flight Data Recorder (FDR) records aircraft parameters such as altitude, airspeed and heading.

  • Traffic Alert and Collision Avoidance System (TCAS)

    Traffic Alert and Collision Avoidance System (TCAS)

    Traffic Alert and Collision Avoidance System (TCAS) is an airborne system that operates independently from the ground-based Air Traffic Control (ATC) system. TCAS was designed to increase cockpit awareness of proximate aircraft and to serve as a “last line of defense” for the prevention of mid-air collisions.

  • Reduced Vertical Separation Minima (RVSM)

    Reduced Vertical Separation Minima (RVSM)

    View news and references for domestic and international Reduced Vertical Separation Minima (RVSM) airspace.

  • Performance-Based Navigation (PBN)

    Performance-Based Navigation (PBN)

    Information related to the use of Area Navigation (RNAV) Standard Instrument Departures (SIDs), RNAV Standard Terminal Arrivals (STARs), and Required Navigation Performance Authorization Required (RNP AR) Approaches.

  • Electronic Flight Bags (EFBs)

    Electronic Flight Bags (EFBs)

    An Electronic Flight Bag (EFB) is an electronic device that allows flight crews to perform a variety of functions that were traditionally accomplished by using paper references.

  • Emergency Locator Transmitters (ELTs)

    Emergency Locator Transmitters (ELTs)

    Emergency Locator Transmitters (ELTs) are emergency beacons carried aboard aircraft to notify search-and-rescue personnel when an aircraft is down. There are several types of ELTS, and most U.S. civil aircraft are required to carry one.

APC Communications Services

Latest CNS News

FAA Urges Operators to Help Reduce ELT False Alerts
Aug. 21, 2018
Following the high number of false alerts from 406 MHz emergency locator transmitters (ELTs) used on aircraft last year, the FAA has released Information for Operators (InFO) 18007 to educate the aviation industry on steps that operators can take to minimize the problem. In the event of an aircraft accident, 406 MHz ELTs transmit a distress signal to a satellite. In 2017, these devices generated 8,786 false alarms in the United States, a figure that reportedly accounted for over 98 percent of all ELT alerts. Read more.

FAA Releases Final Policy on IAP Cancellations
July 5, 2018
The FAA has published its final policy governing cancellation of certain standard instrument approach procedures (IAPs), including circling approaches and circling approach minima. NBAA was a member of the RTCA Tactical Operations Committee tasked with reviewing the FAA's procedures and providing recommendations to the agency on the proposed cancellation criteria and process. While NBAA urged officials to "hit the pause button" with those plans to ensure IAP cancellations did not curtail access to airports and airspace utilized by business aviation operator, the agency opted to move forward. Read more.

Rockwell Collins to Restore Instrument Approaches to Software Database
Dec. 11, 2017
Rockwell Collins has developed a solution that will restore more than 10,000 instrument approaches to the software database, the company told NBAA and other industry stakeholders. Company officials said they expect to release the updated database to subscribers and operators by the end of the day on Dec. 14. This update will restore approaches that were removed due to software issues affecting low temperature environments and manual altitude entries during missed approaches. Learn more.

NBAA Asks FAA: Hit 'Pause' Button on Proposed IAP Cancellations
Nov. 13, 2017
In light of recent flight management system (FMS) software glitches that required FMS manufacturers to pull thousands of approaches from their databases, NBAA is asking the FAA to pause implementation of its proposed policy on cancellation of certain instrument approach procedures (IAPs) – specifically circling approaches and circling approach minima. Learn more about the proposed IAP cancellations.

Operators: Use Recommended or Required Routes to Avoid Delays
Oct. 2, 2017
Each day in the National Airspace System is different, but one constant is that the FAA wants aircraft operators to file flight plans with good routes. The FAA's Air Traffic Control System Command Center can help expedite traffic flow by recommending certain routes to operators. Learn more in the Navigator section of the September/October 2017 Business Aviation Insider.

FAA Realigns Flight Standards for Consistency, Agility
Sept. 13, 2017
The FAA recently began a service-oriented effort to change the culture of its Flight Standards organization. The initiative, named the Future of Flight Standards, aims to facilitate critical thinking, interdependence and consistency to better serve aviation safety. "Part 91 operators have increasingly more contact with local inspectors for a number of reasons, including requesting letters of authorization and other operational requests," said Doug Carr, NBAA's vice president of regulatory and international affairs. “We hope the FAA's reorganization of the Flight Standards organization will address industry challenges, such as siloed and inconsistent interpretations of regulations and policies, and result in more consistent outcomes for operators across the country." Learn more about the realignment.

FAA, FCC Investigating Misuse of 121.5 MHz Mayday Frequency
Aug. 17, 2017
The Federal Communications Commission (FCC) Enforcement Bureau is working with the FAA to investigate the misuse of – and harmful interference to – the "Mayday" frequency of 121.5 MHz, said Sarah Wolf, NBAA senior manager of security and facilitation. The FAA constantly monitors 121.5 MHz for actual distress calls and emergencies, and an FAA report of nonemergency use of the frequency, which impedes its ability to monitor it, led to the first FCC Enforcement Advisory of the year on Aug. 8. Read more.

FAA Removes SID Chart Obstacle Notes to Cut Clutter
Aug. 10, 2017
With the Aug. 17 charting cycle, pilots will find revised SID charts easier to read because the FAA is removing the takeoff obstacle notes from them. in 2015, NBAA requested the removal of the SID obstacle notes at a semi-annual meeting of the Aeronautical Charting Forum, in which industry provides input to the FAA on charting and the design of instrument procedures. Read more.

Updated PBN Roadmap Brings Benefits
Feb. 27, 2017
The FAA recently issued its updated 15-year roadmap showing how and when performance based navigation (PBN) procedures will be deployed across the National Airspace System (NAS), as the agency moves toward full implementation of the NextGen ATC network. The upcoming air traffic management transition offers many benefits to controllers and operators alike, including greater efficiency and flexibility. Learn more in Business Aviation Insider.

Free NBAA Webinar Presents In-Depth Look at RNAV System Advancements
Dec. 1, 2016
Business aircraft pilots who use RNAV to increase operational efficiency and reduce fuel expenses will benefit from a free Jeppesen-sponsored, NBAA-hosted webinar on system advancements at noon (EST) on Wednesday, Dec. 7. In this in-depth RNAV refresher, Jeppesen Senior Manager James Morgan will discuss how refinements in both RNAV capability and equipment now deliver better precision with more access to a greater number of procedures. He also will explain the recent advances in RNAV technology. Critical RNAV basics will be covered, and attendees will gain knowledge of how RNAV procedures are designed, providing a better understanding of coding rules, limitations and certain quirks of the system. Learn more about the webinar.

How to Plan Your ADS-B Update
Nov. 28, 2016
By Jan. 1, 2020, the majority of aircraft operating domestically in the U.S. will be required to have ADS-B Out capabilities. FAR Part 91.225 outlines the specific airspace requirements, and the regulation applies to most business aircraft. In many cases. an upgrade or replacement of the existing transponder will be needed to make an aircraft ADS-B Out compliant. Learn more in Business Aviation insider.

U.S. Operators Urged to Follow New ICAO Approach-Procedure Naming Standards
Nov. 16, 2016
As air navigation service providers outside the U.S. implement new International Civil Aviation Organization (ICAO) naming conventions for performance based navigation instrument approach procedures, U.S. operators are being urged to familiarize themselves with both the new standards and country-specific aeronautical information publications to minimize confusion. "There is likely to be a lot of confusion for operators flying outside the U.S., as they are not accustomed to seeing approaches titled 'RNP' except for 'RNAV (RNP) AR,'" said Rich Boll, chairman of the NBAA Access Committee's ATC, Airspace and Flight Technologies Working Group. Learn more about the new ICAO naming conventions.

FAA Working on Advanced Applications for Performance Based Navigation
Oct. 13, 2016
From now through 2020, the FAA hopes to increase the utilization of existing RNAV and required navigation performance procedures, and develop new criteria, policies and standards, to enable more advanced applications of performance based navigation (PBN) throughout the National Airspace System. These initiatives, along with others, are embodied in the FAA's "PBN NAS Navigation Strategy 2016," the agency's updated plan for implementing PBN over the next 15 years. Besides applying lessons learned from a decade of PBN development, the document includes input from the Performance-based Operations Aviation Rulemaking Committee, which includes NBAA. Read more about the plan.

Jeppesen Previews Navigational Chart Design Changes
Aug. 26, 2016
After a two-year redesign process, Jeppesen unveiled improvements to its SIDs and STARs charts that will help enhance pilots’ situational awareness. The redesign uses colors and subtle graphics for key data, among other improvements. "The prominent depiction draws attention to the important information," said Jeppesen’s Andreas Windeck on a recent NBAA webinar previewing the new charts. "It's intuitive for pilots to find that information and act accordingly." Read more about the new charts.

Verify Your ADS-B Performance with Free FAA Web Tool
Aug. 24, 2016
Aircraft owners and operators should verify the health of their ADS-B equipment, but “if your system isn’t transmitting properly, there’s no indication in the cockpit, or any other sign of error,” said Doug Carr, vice president of regulatory and international affairs. Fortunately, the FAA now provides a free, online tool for validating the performance of installed ADS-B Out equipment. Operators just need to input some basic aircraft information and a flight date to receive a Public ADS-B Performance Report (PAPR), what Carr called “a very valuable tool for aircraft owners, operators and avionics shops.” Read more about the new tool.

NBAA Opposes FAA Proposal Regarding Expired Navigation Databases
July 7, 2016
NBAA recently submitted comments to the FAA opposing the agency’s proposed revision to Master Minimum Equipment List Policy Letter-98, Navigation Databases (MMEL PL-98). The proposed revisions would rescind operators’ ability to defer an expired navigation database in accordance with a minimum equipment list, as is currently permitted. NBAA’s comments highlight how the proposed revision to MMEL PL-98 is not in agreement with the FAA chief legal counsel’s interpretation addressed to Thomas Letts in November 2012 (known as the Letts interpretation). Letts asked the FAA if he might supplement his expired navigation database with an iPad, and the agency said that to fly with an expired navigation database, an operator must utilize an approved MEL that allows for dispatch of an aircraft with inoperative equipment. Learn more.

FAA Releases Updated Advisory Circular for RNP Operations
April 1, 2016
Business aviation operators will benefit from revised, extensive guidelines for conducting required navigation performance (RNP) operations, as defined in a new advisory circular (AC) released by the FAA. AC 90-105A provides aircraft eligibility and operational guidance for conducting RNP operations. Learn more about conducting RNP operations.

Alternative RNP AR Compliance Method Saves Money – Free NBAA Webinar Has Details
June 1, 2015
A cost-saving way to achieve required navigation performance authorization required (RNP AR) database validation was detailed during a recent free NBAA webinar, offering operators an avenue for overcoming what has been a significant hurdle to overall RNP AR certification. Jeppesen, which sponsored the webinar, along with Garmin, invested two years in the alternative method of compliance (AMOC), which takes the place of a linear process that requires operators (or approved third parties) to validate an average of 350 parameters per RNP AR approach against its government source data. This AMOC is available to all avionics OEMs, said webinar presenter Andrew Riedel, Jeppesen's manager of corporate technical standards. Read more about RNP AR.

Free NBAA Webinar Offers Tips on Simpler Approach to RNP Compliance
May 12, 2015
An NBAA webinar, set for 1:30 p.m. (EDT) May 27, will discuss an alternate method of compliance for validating required navigation performance authorization required (RNP AR) approach data, which puts this capability within reach of business aircraft operators. “More efficient, economical and automatic than the current burdensome process, RNP AR potentially gives business aircraft operators access to more airports and procedures that provide better minimums and savings of fuel and time,” said Bob Lamond, NBAA’s director of aircraft traffic services and infrastructure. Members must pre-register for this free webinar, which is sponsored by Jeppesen. Learn more about the RNP compliance webinar.