2. ( ICAO)Annex11 (FIR ) 7G , F , E , D , C , B , A FIR Flight
information region Annex11 FIR Flight information Service (FIS)
Alerting Service FIR FIR (411App4 - Annex11) . 3. : Controlled
Airspace Uncontrolled Airspace . VFR IFR VFR Visual Flight Rules
IFR (Instrument Flight Rules VFRIFR. 4. VFRIFR Controlled Airspace
( Air Traffic Control Service )ATC 5. 5 : A B C D E A IFR B,C,D,E
IFRVFR Uncontrolled Airspace ATC ) ( EF (FIR )7 G , F , E , D , C ,
B , A IFRVFR 6. sClasse-ControlledAClass sClasse-ControlledBClass
sClasse-ControlledCClass sClasse-ControlledDClass
sClasse-ControlledEClass sClasse-Un controlledFClass
sClasUncontrolledGClass 7. Class A IFR ClassB VFRIFR ClassC VFRIFR
IFR IFR VFR VFR IFR VFR ClassD VFRIFR IFR IFR VFR VFR 8. ClassE
VFRIFR IFR IFR E ClassF VFRIFR IFR ClassG IFRVFR FIR . FIR FIR:G, D
, C , A 9.
