Obstacle Marking and Aerodrome Services

Question 1

What is the colour of a low intensity obstacle light?

a. Blue.
b. Steady red.
c. Yellow.
d. Flashing red.

Answer 1

b. Steady red.

Question 2

Low intensity obstruction lights on fixed objects and slow moving objects are:

a. flashing green.
b. flashing yellow.
c. steady red.
d. steady blue.

Answer 2

c. steady red.

Question 3

Medium intensity obstacle lighting will normally consist of flashing red lights
except that they may be flashing white when used:

a. in conjunction with high intensity obstacle lighting.
b. in conjunction with low intensity obstacle lighting.
c. in conjunction with runway obstacle lighting.
d. in conjunction with the approach path obstacle lighting

Answer 3

a. in conjunction with high intensity obstacle lighting.

Question 4

OIS stands for:

a. Obstacle Interference Slope.
b. Obstacle Identification Surface.
c. Obstacle Inner Surface.
d. Obstacle Identification Slope.

Answer 4

b. Obstacle Identification Surface.

Question 5

What colour lights are vehicles moving routinely on the aerodrome required to
show?

a. Flashing yellow.
b. Flashing red.
c. Flashing blue.
d. Steady red.

Answer 5

a. Flashing yellow.

Question 6

What colour are emergency vehicles painted that are used on the manoeuvring
area of an aerodrome?

a. Green.
b. Dayglo orange.
c. A single conspicuous colour, preferably red or yellowish green.
d. White and red chequered.

Answer 6

c. A single conspicuous colour, preferably red or yellowish green.

Question 7

An en route obstacle is located:

a. within 15 km radius of an aerodrome.
b. outside 5 NM from the boundary of any controlled airspace.
c. beyond 15 km radius of an aerodrome.
d. in any location that might be encountered during the cruise phase of a flight.

Answer 7

c. beyond 15 km radius of an aerodrome.

Question 8

An object of limited mobility (an air bridge for example) is lit by:

a. low intensity steady red lights.
b. low intensity flashing red lights.
c. medium intensity steady red lights.
d. medium intensity flashing red lights.

Answer 8

a. low intensity steady red lights.

Question 9

Must an aerodrome fire station be located within the confines of an aerodrome?

a. No, providing the response time can be met.
b. Yes.
c. No.
d. No, providing it is within 3 minutes driving time of the aerodrome.

Answer 9

a. No, providing the response time can be met.

Question 10

The level of rescue and fire fighting (RFF) facilities is dependent upon the category
of the aerodrome. What factors determine this category?

a. Aeroplane reference field length, wing span and outer main gear wheel span
of the largest aircraft using that aerodrome.
b. The length of the longest runway and the area to be covered.
c. The overall length and the fuselage width of the longest aircraft normally
using that aerodrome.
d. The length of the longest runway and total area of hard standings (including
access roads).

Answer 10

c. The overall length and the fuselage width of the longest aircraft normally
using that aerodrome.

Question 11

The aerodrome category for RFF is based on:

a. the overall length of the longest aeroplane.
b. the longest aeroplane maximum width only.
c. the overall length of the longest aeroplane normally using the aerodrome and
its maximum fuselage width.
d. the overall length of the longest aeroplane normally using the aerodrome and
its maximum fuselage weight.

Answer 11

c. the overall length of the longest aeroplane normally using the aerodrome and
its maximum fuselage width.

Question 12

High intensity obstacle lights should be:

a. flashing white.
b. flashing red.
c. fixed red.
d. fixed orange.

Answer 12

a. flashing white.