Signals and Symbols

Question 1

A horizontal red square panel with yellow diagonals (Figure A1-2) when displayed in a signal area indicates that landings are -

Answer 1

prohibited and that the prohibition is liable to be prolonged.

Question 2

A horizontal red square panel with one yellow diagonal when displayed in a signal area indicates that owing to the bad state of the manoeuvring area, or for any other reason, -

Answer 2

special precautions must be observed in approaching to land or in landing.

Question 3

A horizontal white dumb-bell when displayed in a signal area indicates that aircraft are -

Answer 3

required to land, take off and taxi on runways and taxiways only.

Question 4

The same horizontal white dumb-bell as in 4.2.3.1 but with a black bar placed perpendicular to the shaft across each circular portion of the dumb-bell (Figure A1-5) when displayed in a signal area indicates -

Answer 4

that aircraft are required to land and take off on runways only, but other manoeuvres need not be confined to runways and taxiways.

Question 5

Crosses of a single contrasting colour, yellow or white (Figure A1-6), displayed horizontally on runways and taxiways or parts thereof indicate -

Answer 5

an area unfit for movement of aircraft.

Question 6

A double white cross displayed horizontally (Figure A1-11) in the signal area indicates that the aerodrome is being used by -

Answer 6

gliders and that glider flights are being performed.

Question 7

A set of two digits (Figure A1-8) displayed vertically at or near the aerodrome control tower indicates to aircraft on the manoeuvring area the direction for -

Answer 7

take-off, expressed in units of 10 degrees to the nearest 10 degrees of the magnetic compass.

Question 8

A horizontal white or orange landing T (Figure A1-7) indicates the direction to be used -

Answer 8

by aircraft for landing and take-off, which shall be in a direction parallel to the shaft of the T towards the cross arm.

Question 9

When displayed in a signal area, or horizontally at the end of the runway or strip in use, a right-hand arrow of conspicuous colour (Figure A1-9) indicates that -

Answer 9

turns are to be made to the right before landing and after take-off.

Question 10

The letter C displayed vertically in black against a yellow background (Figure A1-10) indicates -

Answer 10

indicates the location of the air traffic services reporting office.