ENR 1.4 ATS AIRSPACE CLASSIFICATION AND DESCRIPTION

 

1 ATS AIRSPACE CLASSIFICATION

Finland follows the airspace classification pertaining to the European Commission's implementing rules (EU, SERA) No 923/2012, of which Finland applies airspace categories C, D and G.

2 ATS AIRSPACE DESCRIPTION

The airspace division pertaining to the Finnish air traffic service system and the applicable airspace classification are presented in detail in the following tables.
FLIGHT INFORMATION REGIONS AND CONTROL AREAS (ENR 2.1)
AIR TRAFFIC SERVICES ROUTES (ENR 3)
CONTROLLED AERODROMES / CONTROL ZONES (AD 2.17)
AFIS AERODROMES / FLIGHT INFORMATION ZONES (AD 2.17)
Changes to the operational hours of ATS units are promulgated by NOTAM. In addition, an ATS unit resuming operation outside the published operational hours will inform the aircraft in flight by radio using a general call.
ATS airspace classes are described in sections ENR 2.1 and AD 2.17.
 


A TS airspace classes — services provided and flight requirements


Class 

Type of flight

Separation provided

Service provided

Speed limitation (*)

Radio communication capability
requirement 

Continuous two-way air-ground voice
communication required 

Subject to an ATC clearance 


A
 

IFR only
 

All aircraft

Air traffic control service
 

Not applicable
 

Yes
 

Yes
 

Yes
 


B
 

IFR
 

All aircraft
 

Air traffic control service
 

Not applicable
 

Yes
 

Yes
 

Yes
 


VFR
 

All aircraft
 

Air traffic control service
 

Not applicable
 

Yes
 

Yes
 

Yes
 


C
 
 



 
 
 
 

 
 
 

IFR

IFR from IFR

IFR from VFR

Air traffic control service

Not applicable

Yes

Yes

Yes


VFR
 
 

VFR from IFR
 
 

(1) Air traffic control service for separation from IFR;
 
(2) VFR/VFR traffic information (and traffic avoidance advice on request)
 
 

250 KT IAS below
3050 M (10000 FT) AMSL
 
 

Yes

Yes

Yes


D

 

IFR
 

IFR from IFR
 

Air traffic control service, traffic information about VFR flights (and traffic avoidance advice on request)
 

250 KT IAS below
3050 M (10000 FT) AMSL
 

Yes
 

Yes
 

Yes
 


VFR
 

NIL
 

IFR/VFR and VFR/VFR traffic information (and traffic avoidance advice on request)
 

250 KT IAS below
3050 M (10000 FT) AMSL
 

Yes
 

Yes
 

Yes
 


E

IFR

IFR from IFR

Air traffic control service and, as far as practical, traffic information about VFR flights

250 KT IAS below
3050 M (10000 FT) AMSL

Yes

Yes

Yes


VFR

NIL

Traffic information as far as practical

250 KT IAS below
3050 M (10000 FT) AMSL

No (**)

No (**)

No


F

IFR
 
 

IFR from IFR as far as practical
 
 

Air traffic advisory service; flight information service if requested
 
 

250 KT IAS below
3050 M (10000 FT) AMSL
 
 

Yes (***)
 
 

No (***)
 
 

No
 
 


VFR

NIL

Flight information service if requested

250 KT IAS below
3050 M (10000 FT) AMSL

No (**)

No (**)

No


G

IFR

NIL

Flight information service if requested

250 KT IAS below
3050 M (10000 FT) AMSL

Yes (**)

No (**)

No


VFR

NIL

Flight information service if requested

250 KT IAS below
3050 M (10000 FT) AMSL

No (**)

No (**)

No


(*) When the level of the transition altitude is lower than 3050 M (10000 FT) AMSL, FL 100 should be used in lieu of 10000 FT. Competent authority may also exempt aircraft types, which for technical or safety reasons, cannot maintain this speed.
 


(**) Pilots shall maintain continuous air-ground voice communication watch and establish two-way communication, as necessary, on the appropriate communication channel in RMZ.
 


(***) Air-ground voice communications mandatory for flights participating in the advisory service. Pilots shall maintain continuous air-ground voice communication watch and establish two-way communication, as necessary, on the appropriate communication channel in RMZ.