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Si stand-alone Arrival Manager

Si AMAN is a stand-alone arrival management system that can be integrated into most environments. It supports Air Traffic Control flight data operations for En-route (ACC), Approach (APP) and Tower (TWR) control functions. It was first launched for operational use in 2011 and since then has been upgraded with new functionalities as defined and requested by the ATM community.

Overview Functionality

The following functionality is included in the Si AMAN:

• Determine location of aircraft and trajectory to TMA entry point and runway
• Determine and present a landing sequence to the controllers
• Provide speed, altitude and route advisory to enable sequence making

Tasks and operators

AMAN is an automated application that supports the preparation of an efficient arrival sequence by en-route and approach air traffic controllers. Furthermore, AMAN provides a plan for runway use set by tower controllers, which can be used as input to mixed mode runway planning and take off sequences, or as demand input for gate and stand planning by the airport.

AMAN determines the demand of the runway (s) and determines an optimized sequence for each runway based on the airspace configuration, actual location and flight plan of each aircraft. Once the sequence plan is known, advisories to achieve the sequence are presented to the controllers to execute the sequence plan.

Data Management

Based on surveillance and flight plan data, a detailed picture of the position and route of all inbound aircraft can be determined. Surveillance data is collected from local and adjacent radar stations, whilst flight plan is collected and updated with information from local and adjacent ACC sectors.

ATC Functions

Speed Advisory: Based on the planned sequence and actual traffic situation detailed speed advisories per aircraft are presented to the controller

Route Advisory: Based on the planned sequence and actual traffic situation detailed route, altitude and vectoring advisories per aircraft are presented to the controller

Controller HMI: The HMI is window driven and adapts to the recommendations of EUROCONTROL concerning paperless HMI with extensive use of flight list and label interactions.

Probe function: The application offers to enter various constraints or scenarios without activating them, in order for the controller to anticipate consequences.

Main Operational Features

• The functionality supports ACC, APP and TWR operations
• Traffic situation can be shown as “planned sequence” in a time oriented window
• Flight plan data is presented and operator interaction is performed in lists and labels.
• The design of these HMI objects is to present only the required data, however, additional data is easy to retrieve, with a click of the mouse
• Lists and labels are specially designed to support control of the air traffic in a paperless environment.
• Each flight plan is dynamically updated based upon controller input of clearances/instructions given verbally or as part of CPDLC. Input facilities are available in any of the flight’s HMI objects.
• Internal co-ordination is performed silently through system functions, including that co-ordination between controllers in TWR and APP.
• Coordination with adjacent centres is performed by means of OLDI/AIDC where such connections are available.
• The dynamic handling of the operational configuration allows a highly flexible use of the airspace. Reconfiguration of sector jurisdiction is handled in a decentralised manner. The system supports on-line reclassification of sectors.

Technical Features

Commercial hardware and software

• COTS workstations with monitor(s), keyboard and mouse
• Fault-tolerant servers
• Redundant LAN
• Unix / Linux operating system
• X Window / Motif
• Application software is in C, C++ and ADA

General Design aspects

• Client/server concept
• Open system architecture
• Distributed processing
• Fault-tolerant software