Aerodrome Lighting

Question 1

What is the purpose of Aerodrome lighting (4 things)

Answer 1

To provide the pilot with

1) Location
2) Orientation
3) Alignment
4) Poor vis at night

Question 2

What is the purpose of approach lighting?

Answer 2

Alignment
Roll guidance
Limited distance to go

Question 3

What are the 2 types of intensities of lights?

Answer 3

High intensity(HI)- Variable Brilliance

Low intensity (LI) - May not be adjustable

Question 4

Types of fittings

Answer 4

Elevated- on stalks

Flush - Set into the surface

Question 5

What are the 2 types of portable lights?

Answer 5

Glim Lamps

Goosenecks

Question 6

What are the 4 direction types of lamps?

Answer 6

Uni-directional

Bi-directional

Omni directional

Omni+bi-directional

Question 7

For a simple approach lighting system how far are the single lights spaces? How far is the light bar from the threshold? And how far are the lights go out from the threshold?

Answer 7

60m

300m

420m

Question 8

How far out does a high intensity approach lighting system go from the runway threshold?

Answer 8

900m

Question 9

For a high intensity 5 bar approach lighting system how far is the touchdown point from the threshold? How far do the lights extend from the threshold?

Answer 9

300m

900m

Question 10

For high intensity 5 bar and supplementary approach lights how far do the supplementary lights extend from the threshold? What colour are the lights and supplementary lights? How far do the 5 bar lights extend?

Answer 10

300m
600m

Red

Question 11

Describe the typical Cat 1 approach and Runway lighting.

Answer 11

Red-runway end lights
Yellow caution zone last 600m
White- runway edge lights
Green- wingbars

Question 12

Describe cat 2/3 approach runway lighting system

Answer 12

Red- Runway end lights
Alternative red/white codes centreline 600m
Red - 300m centreline
White-Touchdown Zone
Green- wingbars
Red & white supplementary approach lights

Question 13

What do Approach slide indicators provide information on?

Answer 13

• Achieved Approach Angles
• Clearances over Approach obstacles
• Limited roll guide

Question 14

Where are PAPIs on the runway?

Answer 14

Either side of the runway

Question 15

What glide slope do PAPIs normally show and visible by how many degrees either side?

Answer 15

3 degrees glide slope
15 degrees either side of extended centre line
28km(15nm)

Question 16

What colour are the Taxiway centreline lights and edge lights?

Answer 16

Green CL

Blue edge lights

Question 17

What colour are stopbar lights and what direction are they?

Answer 17

Red and either omni or bi-directional

Question 18

When must AGLs be switched on?

Answer 18

By day when vis is less than 5km and/or cloudbase is less than 700ft and
At night.

Question 19

On runways equipped with ILS, centreline lights within ILS critical/sensitive areas or OFZ should be colour coded showing what alternative colours?

Answer 19

Green and yellow in both directions. Start Green close to runway centreline end with yellow at area perimeter