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Here you can find information and procedures for operating inside Zagreb FIR

TRANSITION ALTITUDE for all airports in Zagreb FIR is the same and it is 9 500 ft (2900 m).
TRANSITION LEVEL is provided by approach control and it is calculated according to the following table:

Transition Level by QNH
QNH (hPa) 960-977 978-995 996-1013 1014-1031 >1032
TRANSITION LEVEL FL 120 FL 115 FL 110 FL 105 FL 100
 

QNH for arriving traffic will be given by approach controller together with the first clearance for descent below transition level.
QNH for departing traffic will be given by tower controller usually with start up clearance, and latest with taxi clearance.

Frequencies used in Zagreb FIR

Station name Frequency ICAO
Zagreb Radar 135.800 LDZO_CTR
Zagreb Information 135.050 LDZO_FSS
Zagreb Tower 118.300 LDZA_TWR
Zagreb Radar 120.700 LDZA_APP
Split Tower 124.675 LDSP_TWR
Split Radar 120.875 LDSP_APP
Dubrovnik Tower 129.500 LDDU_TWR
Dubrovnik Radar 123.600 LDDU_APP
Pula Tower 132.000 LDPL_TWR
Pula Radar 124.600 LDPL_APP
Rijeka Tower 119.000 LDRI_TWR
Zadar Tower 123.700 LDZD_TWR
Zadar Radar 128.525 LDZD_APP
Osijek Approach 118.800 LDOS_APP
Brač Tower 118.025 LDSB_TWR
Lošinj Tower 120.300 LDLO_TWR
GUARD 121.500 GUARD
UNICOM 122.800 UNICOM
     

Squawk codes used in Zagreb FIR

VFR 0001-0077
International IFR 6520-6577
Domestic IFR 7020-7077
Military 0030-0070
Emergency 7700
Lost communications 7600
Hijack (not allowed on IVAO) 7500
   

 

Zagreb FIR Sector Manual

Download Manual

This manual is intended to be used by air traffic controllers on the IVAO network when controlling in Zagreb Flight Information Region (LDZO FIR). The manual provides information regarding operating procedures and standard practices in Croatian airspace.  

 

Zagreb FIR Voice Communication Procedures Manual

Download Manual

This manual is intended to be used by air traffic controllers and pilots on the IVAO network when controlling and flying in Zagreb Flight Information Region (LDZO FIR). The manual provides information regarding voice communication procedures and standard practices in Croatian airspace.  

 

 

Squawk generator for Zagreb FIR

http://squawk.scumari.nl/ldzo-sq.php

This page is written to get unique squawk codes in a control area.
Connect to the generator with your IVAO VID when logged on as ATC.