Air Traffic Control and Management System LETVIS

Modular ATC system tailor-made for client’s needs

The LETVIS ATM system supports air traffic control operations for en route (ACC), approach (APP) and tower (TWR) control and planning at any level of air traffic services and training provided in civil, military or joint operations.

Aim/purpose of the solution, who it is good for

The LETVIS ATM system can satisfy a variety of client’s requirements:

LETVIS can be used in a new or existing Area Control Center (ACC) for en route air traffic control; at an airport for approach (APP) and tower (TWR) air traffic control; for ACC, APP or TWR fall-back system placed in any location; at training centers for air traffic control simulator; for surveillance data network; for multi-surveillance tracking; search and rescue operations; and for related activities.

Features, characteristics, and funcionality of the solution

LETVIS is designed and proven to be modular, flexible and configurable for any desired size and functionality of air traffic control and management system.

LETVIS integrates solutions for efficient control of airspace, reliable conflict detection, improved interoperability, alerts and warnings, multi-sensor data fusion and airspace management. Operational benefits include optimised life cycle cost and high reliability for continuity of service.

Clients can rely on full customer support, consulting services and training services.

Additional information, summary

The LETVIS ATM system for air traffic control and management is designed and developed to effectively manage the sky, for applications ranging from approach to en route.

LETVIS ATM systems and ATC simulators are operational in Europe, Asia, Middle East and Africa and compliant with international and European standards.

ALES are committed to a continuous improvement and LETVIS implements new concepts. LETVIS is the ideal solution for main system at an airport with lower traffic and fall-back system at busy international airport.

List of related products

Air Traffic Control Services Support System

Air Traffic Controller Training Simulator


Surveillance Data receiving, processing, fusion and distribution

Universal Radar Data Interface


Flight Plan receiving, processing and editing

Flight Data Processing

Flight Data Display

Electronic Flight Strips

Presentation of Air Situation Picture, Flight Data and Plans

Ground-based Safety Nets Centralized Management

Controller WorkStation

Air Traffic Control Tools

Objective recording, archiving and technical supervision

Objective Recording System

Data and Voice Archiving System

Data and Voice Replaying System

Technical Control and Monitoring System

Air Traffic Controller training

Air Traffic


Training Management Instructor Workplace


Terminal Expansion at Kamuzu International Airport

ALES supplied main Civilian ATC System for Kamuzu International Airport, Lilongwe, Malawi. ALES delivered the system software and services of Multi-Surveillance Data Processing System (MSDPS) and ATC Simulator. The scope of work for ALES included the delivery, installation, commissioning, training of the operators and technical staff of the end user.

Kopitnari Airport, Georgia

ALES manufactured and installed 7 pcs of ACC consoles, and 7 pcs of TWR consoles.

Consoles for HungaroControl

ALES manufactured and installed 136 pcs of ACC consoles, 34 CRDS consoles and 5 TWR consoles.

Delivery of the airport ATC System for Azerbaijan Air Navigation Services at Gabala airport

ALES provided main civilian ATC (TWR) system including Radar Data Processing and Flight Data Processing server for AZANS at Gabala. Project included two working positions of executive controllers equipped with Radar Data Displays, one working position for flight data operator with Flight Data Entry Displays, consoles with armchairs and data processing equipment.

The Project for Improvement of Airport Safety and Security Systems in The People’s Republic of Bangladesh, LOT – 1: Aviation Safety Equipment

ALES provided main ATC system for Chittagong airport, ATC SIM (Tower SIM). The scope of work for ALES was delivery, installation, commissioning, training of the End user’s operation and maintenance staff.

LETVIS TWR ATC System for Kutaisi (Kopitnari) Airport

ALES provided LETVIS ATC system (APP + TWR) for Kutaisi (Kopitnari) Airport including Radar Data Processing and Flight Data Processing. Project included delivery of 7 pieces of consoles for TWR. Scope of work included delivery of equipment, installation and training.

Tribhuvan International Airport Modernization Project (Surveillance system)

ALES provided main and backup civilian ATC system for ACC FIR Nepal and APP + TWR Kathmandu. ALES provided MSDPS (Multi-Surveillance Data Processing System) system software and services, ATC Simulator. The scope of work for ALES was delivery, installation, commissioning, training of the End user’s operation and maintenance staff.

Contingency ATM System LETVIS for ACC Tbilisi and APP Tbilisi, Kutaisi (Kopitnari) and Batumi

ALES provided contingency civilian ATC system for ACC FIR Georgia and APP Tbilisi, Kutaisi (Kopitnari) and Batumi. Delivered system included Radar Data Processing and Flight Data Processing. ALES delivered 7 pieces of consoles for ACC as part of the project.

Relocation and modification, using additionally provided hardware and software, of existing contingency ATM System ACC/APP LETVIS from Kutaisi (Kopitnari) to Tbilisi

ALES dismantled ATC automation system LETVIS-GK ACC installed in Kutaisi international airport tower and installed it in Tbilisi international airport tower, provide expansion of existing configuration including new Play-Back and integration of OLDI and ADS-B channels, also purchase of new hardware and software.

Upgrade of the Fujairah ATC system

ALES provided main civilian ATC (APP+TWR) system for Fujairah International Airport.
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