VOLMET

The ACAMS VOLMET system allows the user to easily generate VOLMET messages providing current aerodrome routine meteorological reports (METAR), aerodrome special meteorological reports (SPECI), aerodrome forecasts (TAF) and SIGMET to aircraft in flight.

Airport-tower-ACAMS-5

Erik Nyberg

Chief Commercial Officer, CCO

erik.nyberg@acams.no

+47 94176640

Product introduction

The ACAMS VOLMET system is designed to enhance flight safety and operational efficiency, VOLMET broadcasts deliver essential weather updates such as METARs (Meteorological Aerodrome Reports), TAFs (Terminal Aerodrome Forecasts), and SIGMETs (Significant Meteorological Information) over dedicated HF and VHF frequencies.

These broadcasts are continuously transmitted by designated VOLMET stations, which are operated by Meteorological Watch Offices (MWOs) as prescribed by ICAO Annex 3. By providing accurate and up-to-date weather information enroute, the ACAMS VOLMET help pilots make informed decisions about flight planning, route adjustments, and landing procedures.

Key VOLMET design principles:

  • User-friendly human machine interface (HMI)
  • Modular and cost-efficient design
  • Seamless integration and interoperability with other systems

Functional description

The ACAMS VOLMET system allows the user to easily generate VOLMET messages providing current aerodrome routine meteorological reports (METAR), aerodrome special meteorological reports (SPECI), aerodrome forecasts (TAF) and SIGMET to aircraft in flight.

The ACAMS VOLMET has user-friendly HMI to enable the provision of routine weather reports of specific airports to enroute aircraft. VOLMET messages are generated in both voice format and digital data formats.

The latest text-to-speech (TTS) conversion technology available is used to provide natural and authentic-sounding voice for radio-transmitted VOLMET broadcast.

The system can receive data input from meteorological reports such as METAR/SPECI, SIGMET and TAF if compliant with ICAO Annex 3.

The system may output D-VOLMET messages on interfaces such as AFTN/AMHS or directly to datalink service providers via the ACAMS Datalink Message Broker service.

The VOLMET system encompasses the following key features:

  • Information Collection: It gathers current operational and meteorological data from digital interfaces, as well as inputs from operators ATIS workstation HMI
  • Information Processing: It processes the collected data, human input and data validation and generates ATIS message content in both Voice-VOLMET and D-VOLMET formats in compliance with ICAO Annex 11
  • Message Output: It outputs the VOLMET message in voice format to radio and the D-VOLMET message to relevant digital interfaces
  • 2 Modes of operation
    • Manual mode
    • Automatic mode
  • Supported types of VOLMET messages:
    • VOLMET broadcast; and or
    • Data link VOLMET (D-VOLMET)
  • Text-to-speech conversion
  • Time synchronization
  • Web based HMI
  • Support for automatic meteorological input
    • METAR/SPECI
    • TAF
    • SIGMET
  • External interface protocols: ATIS supports both serial and TCP/IP connections
  • AFTN – ITA2 and IA5 format
  • AMHS – X.400 P3
  • AWOS (Requires ICD from AWOS supplier)
  • ATIS supports both digital and analogue outputs:
    • ED-137/1B and ED-137/1C (VoIP interface)
    • Analogue audio with PTT (ACAMS Analogue Switchover Unit (ASU) or 600 Ohm audio interface)
  • Automatic validation of incoming messages
  • Automatic validation of operator input
  • System status monitoring
  • Datalogging: All transmitted and received messages are time-stamped and recorded in the system’s database. Additionally, all user actions and system changes are logged
  • Free-text input
  • Duration calculation
  • Selection of voices
“The ACAMS’s new i6 ATIS system will enhance the operational service at the Decimomannu Air Base. The system is operated by the RSSTA department, serving in particular the International Flight Training School. Decimomannu is also airbase for the new F-35 fighter squadron.” Leccese, CEO of Eurelettronica Icas (Italy)

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