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Global Transition to ADS-B

The implementation of Automatic Dependent Surveillance – Broadcast (ADS-B) technology is becoming more widespread as countries are establishing ADS-B mandates to enhance and extend the surveillance capabilities of their Air Traffic Control (ATC) systems.

Twelve countries have added new rules that mandate ADS-B for aircraft operating within specific regions, classes of airspace or airways. In some countries, these rules go as far as to require the aircraft operator to obtain approval from their State Registry to access the ADS-B airspace.

Other regulations create a specific benefit to operators that have equipped voluntarily. The regions where ADS-B are mandated will continue to expand, and operators should monitor for updates from their local regulatory authority.

What is ADS-B?

ADS-B replaces or supplements radar surveillance of aircraft. Aircraft equipped with an ADS-B transmitter use GPS technology to locate the position of the aircraft and then transmits identification, position, altitude and velocity information in real time. Air traffic controllers intercept this flight and traffic information services broadcast data and are able to position and separate aircraft with improved precision and timing.

ADS-B relies on a high-integrity GPS navigation source and a data link (ADS-B unit). There are several types of certified ADS-B data links, but the most common ones operate at 1090 MHz – essentially a modified Mode S transponder – or 978 MHz.

This technology consists of "ADS-B Out" and "ADS-B In." ADS-B Out is the transmission of data; ADS-B In is the reception of this information. All aircraft equipped with ADS-B can transmit data, but not all are capable of also receiving data.

Benefits of ADS-B

  • Improved situational awareness
  • Improved visibility for air traffic controller and flight crew
  • Increased safety due to more accurate position reporting
  • Greater efficiencies in handling aircraft in congested airspace
  • Additional benefits to aircraft with ADS-B In capabilities:
  • In-cockpit traffic information from other aircraft equipped with ADS-B
  • In-cockpit weather information using Universal Access Transceiver (UAT) ADS-B equipment
  • In-cockpit terrain data
  • In-cockpit flight information
Contact World Fuel Trip Support

Asia-Pacific: +65 6215 6888

Canada: +1 403 717 4393

Europe, Middle East & Africa: +41 22 341 6210

South America: + 55 11 2924-2569

United States: +1 800 626 0577 | +1 281 280 2200

Contact Spire Flight Solutions
For Commercial, Government & Military

Tel: +1 303 566 3131  | +353 1 905 3501

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