21. EU LAW - Airspace

Question 1

What is an Aerodrome? (1)

Answer 1

A defined area (including any buildings,
installations and equipment) on land or water or
on a fixed, off-shore or floating structure
intended to be used either wholly or in part for
the arrival, departure and surface movement of
aircraft

Question 2

What is an ATZ and its dimensions? (2)

Answer 2

Airspace of defined dimensions established around an aerodrome for the protection of aerodrome traffic

2000ft
2nm (2.5nm if runway length is >1850m)

Question 3

What is a CTR? (3)

Answer 3

Control Zone

Controlled airspace which has been further notified as a control zone and which extends upwards from the surface

Extends at least 5nm from centre of ADs or ADs concerned in direction where approaches are made

Question 4

What is a CTA? (2)

Answer 4

Control Area

Controlled airspace which has been further notified as a control area and which extends upwards from a notified altitude or flight level. (ICAO)

Question 5

What is a TMA? (2)

Answer 5

Terminal Control Area

Control area normally established at the confluence of ATS routes in the vicinity of one or more major aerodromes. (ICAO) - (may encompass a CTA)

Question 6

CTA / CTR Diagram

Answer 6

Question 7

What is a TMZ? (1)

Answer 7

A TMZ is airspace of defined dimensions within which aircraft are required to carry and operate a Mode S SSR transponder, unless in compliance with alternative provisions prescribed for that particular airspace by the ANSP

Question 8

What is an RMZ? (1)

Answer 8

Airspace of defined dimensions wherein the carriage and operation of radio equipment is mandatory
(SERA 6005(a)).

Question 9

Other airspace utilised by the Airspace Management (ASM) (5)

Answer 9

• Temporary airspace
• Reserved (TRA)
• Segregated (TSA)
• Conditional routes (CDR)
• Free Routes Airspace (FRA)

Question 10

Airspace classifications (7)

Answer 10

Question 11

What speed limits apply in Class C-G?
(250kts or less)

Answer 11

C (VFR)
D
E
F
G

Question 12

Class A Airspace criteria

Answer 12

Question 13

Class B Airspace criteria

Answer 13

Question 14

Class C Airspace criteria

Answer 14

Question 15

Class D Airspace criteria

Answer 15

Question 16

Class E Airspace criteria

Answer 16

Question 17

Class F Airspace criteria

Answer 17

Question 18

Class G Airspace criteria

Answer 18

Question 19

Responsibility for Terrain clearance (4)

Answer 19

• Controllers have no responsibility for the terrain clearance of VFR or SVFR flights
• Approach Control (APC) is responsible for terrain clearance of IFR flights inside CAS
• Pilots are ultimately responsible for terrain clearance in class F and G airspace
• Controllers have no responsibility for the terrain clearance of IFR aircraft making a visual approach (pilot must be visual with the surface) though APC may allocate levels to ensure separation from other IFR flights