2.9.1 NEED FOR A KNOWN TRAFFIC ENVIRONMENT ABOVE A COMMON DIVISION LEVEL........................... 2-8

2.9.2 CLASSIFICATION OF A SYSTEM OF ATS ROUTES ............................................................................... 2-8

2.9.3 CLASSIFICATION OF A CONTROL AREA (CTA/TMA) ........................................................................ 2-8

2.9.4 SPECIAL HANDLING OF PARTICULAR OPERATIONS............................................................................ 2-8

2.9.5 COMMON PROCESS FOR ATS AIRSPACE CLASSIFICATION IN "MIDDLE" AIRSPACE........................... 2-8

2.10 ORGANISING THE "LOWER" PART OF ECAC AIRSPACE .................................................. 2-8

2.10.1 CATEGORISATION OF AIRSPACE SURROUNDING AERODROMES .................................................... 2-8

2.10.2 EVALUATION OF VFR/IFR TRAFFIC MIX AND CONCENTRATION.................................................. 2-8

2.10.3 IMPACT OF DAYLIGHT/NIGHT OPERATIONS AND/OR WEATHER CONDITIONS ............................... 2-8

2.10.4 CLASSIFICATION OF TERMINAL AIRSPACE .................................................................................... 2-8

2.10.5 SPECIAL HANDLING OF PARTICULAR OPERATIONS ....................................................................... 2-8

2.10.6 COMMON PROCESS FOR ATS AIRSPACE CLASSIFICATION IN "LOWER" AIRSPACE........................ 2-8

2.11 ATS AIRSPACE CLASSIFICATION TOWARDS TRAFFIC ENVIRONMENT MODEL - -. 2-9
2.11.1 CONCEPT OF INTENDED TRAFFIC ENVIRONMENT (CATEGORY N)................................................. 2-9

2.11.2 CONCEPT OF KNOWN TRAFFIC ENVIRONMENT (CATEGORY K)..................................................... 2-9

2.11.3 CONCEPT OF UNKNOWN TRAFFIC ENVIRONMENT (CATEGORY U) ................................................ 2-9

2.11.4 SEPARATION RESPONSIBILITY (ATC OR VISUAL)......................................................................... 2-9

2.11.5 ATS PROVISION............................................................................................................................ 2-9

2.11.6 COMMON DIFFERENCES NOTIFIED TO ICAO................................................................................. 2-9

2.11.7 COMMON PROCESS FOR AIRSPACE CATEGORISATION IN N, K, U ................................................. 2-9

ANNEX 2A ..................................................................................................................................................... 2-11

SECTION 3 -AIRSPACE RESTRICTIONS AND RESERVATIONS DESIGN

 SECTION CHECKLIST.................................................................................................................... 3-0

3.1  INTRODUCTION .............................................................................................................................. 3-1

3.1.1 FLEXIBLE USE OF AIRSPACE CONCEPT.............................................................................................. 3-1

3.1.2 FLEXIBLE AIRSPACE STRUCTURES .................................................................................................... 3-1

3.1.3 NATIONAL HIGH-LEVEL POLICY BODY FUNCTIONS.......................................................................... 3-1

3.1.4 NEED FOR NATIONAL AIRSPACE PLANNING ARRANGEMENTS FOR CHANGE PROCESS ...................... 3-2

3.2 TEMPORARY AIRSPACE ALLOCATION (TAA) PROCESS .................................................. 3-2

3.2.1 GENERAL PRESENTATION OF THE TAA PROCESS.............................................................................. 3-2

3.2.2 VALIDATION OF ACTIVITIES REQUIRING AIRSPACE RESERVATION/RESTRICTION ................................ 3-3

3.2.3 GUIDELINES FOR THE ESTABLISHMENT OF AIRSPACE RESERVATION ................................................... 3-4