Hierarchy of the sectors:
In every group there is a master sector, indicated with bold fonts in the list below. The master sector takes care of task of every other sector inside its group in case of those have not been opened yet.

Obeying the mentioned FRAs is mandatory. However the server lets you connect with lower rating, an online supervisor can disconnect you any time in such cases.

Area Control Centre (ACC)

Login Frequency IVAC2 Callsign FRA Purpose
LHCC_CTR 120.375 E5L Budapest Radar ADC master / east / east lower
LHCC_W_CTR 133.200 W5L Budapest Radar APC west / west lower
LHCC_U_CTR 135.555 W3U Budapest Radar ACC upper / west upper
LHCC_K_CTR 132.055 E3U Budapest Radar ACC east upper

Flight Information Centre (FIC)

Without being FIC opened, the laterally respective lower ACC sector takes over its tasks.

The sector boundary line is the River Danube, EI manages the eastern and WI the western side, except for the uncontrolled airspaces below Budapest TMA which are managed by NI.

Login Frequency IVAC2 Callsign FRA Purpose
LHCC_EI_FSS 133.000 FIC-E Budapest Information ADC whole FIR / eastern side of River Danube
LHCC_WI_FSS 125.500 FIC-W Budapest Information APC western side of River Danube
LHCC_NI_FSS 119.350 FIC-N Budapest Information APC below Budapest TMA

Budapest - LHBP

Login Frequency IVAC2 Callsign FRA Purpose
LHBP_TWR 118.100 AD Budapest Tower AS3  
LHBP_G_GND 121.900 GRC Budapest Ground AS3  
LHBP_A_GND 122.450 A GRC Budapest Apron ADC A1, A2, AA and AL aprons
LHBP_DEL 134.550 CDC Budapest Delivery ADC  
LHBP_E_APP 122.975 TEL Budapest Approach ADC 1st / whole TMA / east/lower TMA sector
LHBP_D_APP 119.500 TD Budapest Director APC 2nd / traffic director
LHBP_W_APP 129.700 TWU Budapest Approach APC 3rd / west/upper TMA sector

Regional airfields

Only flight information (AFIS) service is provided on the mentioned aerodromes because of the uncontrolled airspaces. Opening facility on any other airfield is not allowed as there is no significant traffic there neither on IVAO nor in real life.

Without being individual AFIS positions opened, the laterally respective FIC (or ACC in the absence of FIC) sector takes over its tasks.

Login Frequency IVAC2 Callsign FRA
LHSM_I_TWR 134.575 SM Balaton Info AS1
LHDC_I_TWR 125.900 DC Debrecen Info AS1
LHPR_I_TWR 129.900 PR Pér Info AS1
LHPP_I_TWR 126.905 PP Pogány Info AS1

KFOR sector (LHKR)

Controlling in KFOR sector does not fall under GCA privileges, but a separate validation process.

KFOR sector: upper airspace of Kosovo. Further info: http://hu.forum.ivao.aero/index.php?topic=319717.0

KFOR szektor: Koszovó magaslégtere. Bővebb információ: http://hu.forum.ivao.aero/index.php?topic=319720.0

Login Frequency IVAC2 Callsign FRA Purpose
LHKR_CTR 133.185 KFOR KFOR Radar AS3 master; lower
LHKR_U_CTR 126.765 KFOR-U KFOR Radar AS3 upper