Airspace

Question 1

In the UK, who is the controlling authority for the FIRs, and who provides air traffic services within them?

Answer 1

CAA is the controlling authority

NATS provides air traffic services

Question 2

What two FIRs is UK airspace divided in to?

Answer 2

London (EGTT)

Scottish (EGPX)

Question 3

UK FIRs are divided in to Lower Airspace (known as FIR) and Upper Airspace (known as the Upper Information Region. What are the boundaries of these subdivisions?

Answer 3

Lower Airspace (FIR) = Below FL245

Upper Airspace (UIR) = FL245 (inclusive of) and up to FL660

Question 4

What classes of airspace do not currently exist in the UK?

Answer 4

Classes B and F

Question 5

What airspace is classed as Class C in the UK?

Answer 5

All controlled airspace between FL195 and FL660 + some CTAs below FL195

Question 6

Typically, what class of airspace are the majority of CTZs/CTAs surrounding notified civilian airfields and some military airfields (e.g. BZN)?

Answer 6

Class D

Also applies to part of the Scottish TCA and Temporary Royal Flight (CAS T) airspace

Question 7

What is a CTZ/CTR and what is its purpose?

Answer 7

Control Zone/Region

Surrounds an airfield to control aircraft within it.

Extend vertically from Earth’s surface to a specified upper limit

Question 8

What is a CTA and a TMA/TCA? Where are they found and what is their purpose?

Answer 8

Control Area

Terminal Control Areas/Manoeuvring Areas

Control area is normally where ATS routes join, near an aerodrome(s).

Usually to cover approaches and departures from major airports.

Have a specified upper and lower limit.

A TMA/TCA is normally established in the vicinity of one or more major airfields.

Question 9

What is an ATZ, and what are its dimensions?

Answer 9

Aerodrome Traffic Zone

Surrounds an airfield to protect approaching and landing traffic.

SFC-2000ft AAL (Above Aerodrome Level)
Radius of 2 or 2.5nm

(2.5nm is the runway is longer than 1850m)

Question 10

What are the dimensions of a MATZ and a MATZ stub?

Answer 10

SFC-3000ft
5nm radius

Stub = 1000ft AAL to 3000ft AAL
5nm long, 4nm wide

Question 11

What are the three categories of airspace reservation?

Answer 11

Prohibited, Danger, Restricted

Either permanent, scheduled or activated via NOTAM

Question 12

What are the rules regarding prohibited areas?

Question 13

What are the rules regarding restricted areas?

Question 14

What are the rules regarding Provost Marshal’s areas?

Question 15

What are the rules regarding danger areas?