ACC PROCEDURE

Question 1

AIR TRAFFIC CONTROL CLEARANCE

Answer 1

Authorization for an aircraft to proceed under conditions specified by an air traffic control unit

Question 2

AIRBORNE COLLISION AVOIDANCE
SYSTEM (ACAS)

Answer 2

aircraft system based on secondary surveillance radar (SSR) transponder signals which operate independently of groundbased equipment to provide advice to the pilot on potential conflicting aircraft that are equipped with SSR transponders

Question 3

AIR TRAFFIC CONTROL SERVICE

Answer 3

A service provided for the purpose of:

a. preventing collisions:
1. between aircraft, and
2. on the maneuvering area between aircraft and obstructions; and

b. expediting and maintaining an orderly flow of air traffic

Question 4

AIRWAY

Answer 4

A control area or portion thereof established in the form of a corridor

Question 5

ALTITUDE

Answer 5

• The vertical distance of a level, a point or an object considered as a point, measured from mean sea level (MSL).

Question 6

AREA CONTROL CENTER

Answer 6

• A unit established to provide air traffic control service to controlled flights in control areas under its jurisdiction

Question 7

AREA CONTROL SERVICE

Answer 7

Air traffic control service for controlled flights in control areas

Question 8

CLEARANCE LIMIT

Answer 8

The point to which an aircraft is granted an air traffic control clearance

Question 9

CONTROLLED AIRSPACE

Answer 9

An airspace of defined dimensions within which air traffic control service is provided in accordance with the airspace classification

Question 10

CRUISE CLIMB

Answer 10

An aeroplane cruising technique resulting in a net increase in altitude as the aeroplane mass decreases

Question 11

CRUISING LEVEL

Answer 11

A level maintained during a significant portion of a flight

Question 12

FLIGHT INFORMATION REGION

Answer 12

An airspace of defined dimensions within which flight information service and alerting service are provided

Question 13

FLIGHT LEVEL

Answer 13

A surface of constant
atmospheric pressure which is related to a specific pressure datum, 1,013.2 hectopascals (hPa), and is separated from other such surfaces by specific pressure intervals

Question 14

REPORTING POINT

Answer 14

• A specified geographical location in relation to which the position of an aircraft can be reported

Question 15

SIGNIFICANT POINT

Answer 15

• A specified geographical location used in defining an ATS route or the flight path of an aircraft and for other navigation and ATS purposes

Question 16

SPECIAL VFR FLIGHT

Answer 16

A VFR flight cleared by air traffic control to operate within a control zone in meteorological conditions below VMC

Question 17

TERMINAL MANEUVERING AREA (TMA)

Answer 17

A control area normally established at the confluence of ATS routes in the vicinity of one or more major aerodromes

Question 18

TRAFFIC INFORMATION

Answer 18

Information issued by an air traffic services unit to alert a pilot to other known or observed air traffic which may be in proximity to the position or intended route of flight and to help the pilot avoid a collision

Question 19

TRANSFER OF CONTROL POINT

Answer 19

A defined point located along the flight path of an aircraft, at which the responsibility for providing air traffic control service to the aircraft is transferred from one control unit or control position to the next

Question 20

Flight information service and alerting service shall be provided as follows

Answer 20

a) within a flight information region (FIR): by a flight information center,
b) within controlled airspace and at controlled aerodromes: by the relevant air traffic control units

Question 21

Approach control Service shall be responsible for control of:

Answer 21

a) Arriving Aircraft that have been released to it by ACC
b) Departing aircraft until such aircraft are released to the ACC

Question 22

Approach control Service shall be responsible for control of:

Answer 22

a) Arriving Aircraft that have been released to it by ACC
b) Departing aircraft until such aircraft are released to the ACC

Question 23

Area control service shall be provided by

Answer 23

a) Area Control Center
b) Unit providing approach control service in a control area of limited extent which is designated primarily for approach control Service

Question 24

Division of responsibility for control: Between a unit providing approach control service and a unit providing area control service

Answer 24

Approach control service shall be responsible for the control of:
a) arriving aircraft that have been released to it by the ACC;
b) departing aircraft until such aircraft are released to the ACC

Question 25

The responsibility of control for an aircraft is transferred between control sector/positions

Answer 25

a) Point
b) Level
c) Time

Question 26

Contents of Clearances (In order)

Answer 26

1. Aircraft identification
2. Clearance Limit
3. Route of Flight
4. Levels of flight for the entire route or portion thereof and changes of level if required
5. Other necessary instruction or information

Question 27

A clearance limit shall be described by specifying the name of the

Answer 27

a) appropriate significant point, or;
b) aerodrome, or;
c) controlled airspace boundary

Question 28

An aircraft may be cleared to a level previously occupied by another aircraft after the latter has reported vacating it, except when

Answer 28

a) severe turbulence is known to exist
b) the higher a/c is effecting a cruise climb
c) the difference in a/c performance is such that less than the applicable separation minimum may result

Question 29

The required flight plan and control data may be presented through the use of

Answer 29

a) paper flight progress strips
B) electronic flight progress strips
c) other electronic presentation forms
d) combination of presentation methods

Question 30

Sufficient information and data shall be presented to enable controller to have a complete representation of the current air traffic situation. Give one data to be presented

Answer 30

Data to be presented shall include;
a) relevant information from flight plans;
b) position reports;
c) clearance and;
d) coordination data

Question 31

Essential traffic information shall be given to controlled flights concerned whenever they constitute essential traffic to each other.
Essential traffic information shall include

Answer 31

a) direction of flight of aircraft concerned;
b) type and wake turbulence category (if relevant) of aircraft concerned;
c) cruising level of aircraft concerned; and d)
d) estimated time over the reporting point nearest to where the level will be crossed; or
e) relative bearing of the aircraft concerned in terms of the 12-hour clock as well as distance from the conflicting traffic; or
f) actual or estimated position of the aircraft concerned

Question 32

Climbing or descending, same track. 19 km (10 NM) while vertical separation does not exist, provided:

Answer 32

a) each aircraft utilizes;
i. the same “on-track” DME station;
ii. “on-track” DME station and a collocated waypoint when other is utilizing GNSS; or
iii. the same waypoint when both aircraft are utilizing GNSS; and

b) one aircraft maintains a level while vertical separation does not exist; and

c) separation is established by obtaining simultaneous DME and/or GNSS readings

Question 33

Expression of vertical position of aircraft For flights en-route, the vertical position of aircraft shall be expressed in terms of

Answer 33

a) flight levels at or above the lowest usable flight level;
b) altitudes below the lowest usable flight level

Question 34

ATC Clearances are issued solely for ——– and ——– air traffic and are based on known traffic conditions which affect
safety in aircraft operation

Answer 34

expediting
maintaining

Question 35

The control of an aircraft shall be transferred
from one ACC to the next ACC at the time of
crossing the ————– or at such other point, level or time has been agreed between the two units

Answer 35

common control area boundary

Question 36

In assigning a cruising level an aircraft can cruise climb between two levels or ———

Answer 36

above a level

Question 37

When initial portion of a flight will be uncontrolled, and that the subsequent portion will be subject to ATC, the aircraft shall obtain its clearance from ——-

Answer 37

the ATC unit in whose area controlled flight will be commenced

Question 38

Speed reductions to less than 460km/h (250 kt) IAS for turbojet aircraft during initial descent from cruising level should be applied only with ——–

Answer 38

the concurrence of the flight crew

Question 39

Change from instrument flight rules (IFR) flight to visual flight rules (VFR) flight is only acceptable when a message initiated by the pilot-in-command containing the specific expression ———-

Answer 39

“CANCELLING MY IFR FLIGHT

Question 40

When first portion of a flight will be subject to ATC, and that the subsequent will be uncontrolled, the aircraft shall normally be cleared to until what point?

Answer 40

at which the controlled flight terminates

Question 41

Vertical separation is obtained by

Answer 41

requiring aircraft using prescribed altimeter setting procedures to operate at different levels expressed in terms of flight levels or altitudes

Question 42

Cruising levels of aircraft flying to the same destination shall be assigned in a manner that

Answer 42

will be correct for an approach sequence at destination

Question 43

Give at least one (1) example of clearance limit: (Name of appropriate significant point, name of aerodrome, controlled airspace boundary.)