Aerodrome Lighting

Question 1

An aerodrome beacon flashes every … seconds and is what colour?

Answer 1

2-3 seconds

coloured white or green and white alternating

Question 2

An aerodrome identification beacon will flash a … letter Morse code identifying the aerodrome and what colour at;

civil land aerodrome

civil water aerodrome

military aerodrome

Answer 2

2-3 letters

green

yellow

red

Question 3

Low intensity - steady red lights to be used on obstacles (structure) up to what height?

Medium intenstiy - flashing red or white lights to be used on obstacles up to?

High intensity - flashing white lights used on obstacles over?

Answer 3

45m AGL

Above 45m AGL

Above 150m AGL

Question 4

Colour of approach system lighting?

Answer 4

White

Question 5

The simple approach lighting system is used for?

(3 types)

Answer 5

A non-instrument runway for use at night where code number is 3 or 4

A non-precision approach runway

A precision approach Cat I runway (but only when physically impracticable to install a Cat I system)

Question 6

What does a simple approach lighting system consist of?

Extends how far from threshold and where is the crossbar?

Answer 6

A row of lights on the extended centre line of the runway extending at least 420m from threshold with a crossbar 18m or 30m in length, 300m before the threshold (see picture)

Question 7

A precision approach Cat I lighting system is same as the simple system except that the extended centre line extends to how for from threshold?

Lights forming the centre line should be spaced at … intervals

Answer 7

900m

30m

Question 8

What does a precision approach Cat II & III lighting system consist of?

Answer 8

Extended centreline to 900m from threshold with two side rows of red lights extending 270m. It has two crossbars, one at 150m and one at 300m from threshold (see picture)

Question 9

Most common CAT II/III lighting system in UK is?

Answer 9

Calvert CL5B system (Calvert centre line and 5 bar system) see picture

Question 10

Runway edge lights must be fixed lights of what colour, except with a displaced threshold they must be … and a section of …m or one third of the runway, whichever is less, at the far end of the runway from where the take-off run is started may show what colour?

Answer 10

White

Red

600m

Yellow

Question 11

Runway threshold lights are what colour and the wingbar lights should extend how far from runway edge lights and are flashing …

wingbar lights also known as …

Answer 11

Green

10m

white

threshold identification lights

Question 12

Touchdown zone lights must be provided for?

Answer 12

Cat II or III runway

Question 13

Touchdown zone lights extend how far in to the runway, but reduced when?

Answer 13

900m but reduced when the runway is less than 1800m long so as not to extend beyond half way

Question 14

Runway centre line lights are coloured … from threshold to …m from end of runway, then they alternate … and … from … to … from the end, then become … for the last …m

Answer 14

White

900m

White and red

900 to 300m

Red

300m

Question 15

PAPI stands for?

Answer 15

Precision Approach Path Indicator

Question 16

The abreviated PAPI system differs from PAPI how?

Answer 16

Only two lights instead of four