EUROCAE ED SAFETY AND PERFORMANCE REQUIREMENTS STANDARD FOR AIR TRAFFIC DATA LINK SERVICES IN CONTINENTAL AIRSPACE. f) performance requirements specified in Section of the EUROCAE. Document ED incl. change 1 & 2. ATC Communications Management service. EUROCAE ED Safety and Performance Requirements Standard For Initial Air Traffic Data Link Services In Continental Airspace (SPR IC).

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The separation standard is determined by euroca accuracy of the reported positions, frequency of position reports, and timeliness of communication with respect to intervention.

HF radio communication involves contacting an HF operator who then transcribes the message and sends it to the appropriate ATC service provider. This involves a transition from inertial navigation to satellite navigation using the GPS satellites.

Organisation europ√©enne pour l’√©quipement de l’aviation civile

These procedures reduce the number of airplanes which can operate in a given airspace. If market demand pushes airlines to operate at the same time on a given route, this can lead to airspace congestion, which is handled by delaying departures or separating the airplanes by altitude.

The voice quality of the connection is often eurovae, leading to repeated messages. Because the position of the aircraft is updated frequently and VHF voice contact timely, separation standards the distance by which one aircraft must be separated from another are less.

Commercial aircraft operators typically get their long haul fleet connected ejrocae have dedicated personnel to monitor and maintain the satellite and ground link while business aircraft and military aircraft operators contact companies like AirSatOne to eufocae the system for the first time, conduct functionality testing and to provide ongoing support.

So, the improvement not only provides the airplane with a much more accurate position, it also provides an alert to the flight crew should the actual navigation performance wurocae the required navigation performance RNP.


The HF radio operator can also be saturated with requests for communication. These trials demonstrated the potential benefits to the airlines and airspace managers.

The controller “sees” the airplanes in the control area and uses VHF voice to provide instructions to the flight crews to ensure separation. The development of the FANS-capable aircraft systems proceeded simultaneously with the ATC ground system improvements necessary to make it work.

A eurocaee application exists on the ground for the Air Traffic Controller. This method uses time-based procedures to keep aircraft separated.

The controller can also set up a deviation contract, which would automatically send a position report if a certain lateral deviation was exceeded. The current standard for message delivery is under 60 seconds one way. This makes a huge difference in airspace capacity.

eurocae ed 120 pdf download

The application is known as ADS-C automatic dependent surveillance, contract. Since this time, other regions have initiated FIT groups. The deployment of FANS-1 was originally justified by improving route choice and thereby reducing fuel burn. This eurocar introduced the concept of actual navigation performance ANP.

Boeing worked with the airlines to develop a standard which would control the interface between FANS-capable airplanes and air traffic service providers.

Air traffic ehrocae ability to monitor aircraft was being rapidly outpaced by the growth of flight as a mode of travel. The purpose of this team is to monitor the performance of the end-to-end system, identify problems, assign problems and assure they are solved. Previously, flight crews would be notified of the system being used to calculate the position radios, ee-120 inertial systems alone. This involves the transition from voice reports based on inertial position to automatic digital reports.

It was followed by the first commercial flight from Sydney to Los Angeles on June The final report was released in with a plan released in Procedural control is used in areas oceanic or land which do not have radar. This involved a transition from voice communications to digital communications. The members include airframe manufacturers, avionics suppliers, communication service providers, and air navigation service providers.

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Ed-20 can select from a set of messages and send communications to the airplane.


The FANS concept was developed to improve the safety and efficiency of airplanes operating under procedural control. The Future Air Navigation System FANS is an avionics system which provides direct data link communication between the pilot and the air traffic controller. Aircraft are operated using two major methods; positive control and procedural control.

The latter can lead to very inefficient operation due to longer flying times and increased fuel burn.

Positive control is used in areas which have radar and so is commonly referred to as Radar control. This is because the air traffic controller can euorcae problems and issue corrective directions to multiple airplanes in a timely fashion. Because of the deterministic nature of the GPS satellites constellation geometrythe navigation systems can calculate the worst case error based on the number of satellites tuned and the geometry of those satellites.

This allows the flight crew to select from a menu of standard ATC communications, send the message, and receive a response. The communications include air traffic control clearances, pilot requests and position reporting.

Future Air Navigation System

During these trials, airplanes installed applications in their ACARS units which would automatically report positions. Non-FANS procedural separation uses Inertial Navigation Systems for position, flight crew voice reports of position and time of next waypointand High Frequency radio for communication.

Boeing also extended the range of aircraft supported to include the Boeing and This allowed other application improvements.