International Civil Aviation Organisation (I.C.A.O.) was set up at Montreal (Canada), in
1929
1939
1947
1950
Correct Answer :
C. 1947
Related Questions
In Intrumental landing system, the middle markers are located
Along the extended centre line of runway end
About 1 km. ahead of the runway threshold
At the runway threshold
About 7 km. ahead of the runway threshold
As per ICAO recommendation, minimum width of safety area for instrumental runway should be
78 m
150 m
300 m
450 m
Consider the following statements: Wind rose diagram is used for the purposes of
1. Runway orientation
2. Estimating the runway capacity
3. Geometric design of holding apron of these statements
1 and 2 are correct
2 and 3 are correct
1 and 3 are correct
1 alone is correct
To cope up high temperature of 196°C, the taxi ways and aprons are constructed with
Asphaltic concrete
Rubberised tar concrete
Plain concrete
All the above
Which of the following factors are taken into account for estimating the runway length required for aircraft landing?
1. Normal maximum temperature
2. Airport elevation
3. Maximum landing weight
4. Effective runway gradient Select the correct answer using the codes given below Codes:
1, 2, 3 and 4
1, 3 and 4
2 and 3
1, 2 and 4
Which of the following is an example of failure in flexible pavements?
Alligator cracking
Mud pumping
Warping cracks
Shrinkage cracks
The reduced levels of the ends A and B of a runway are 3025 m and 3035 m and that of its mid-point is 3015 m. The reduced level of the horizontal surface, is
3070 m
3060 m
3075 m
3015 m
Conical surface of the approach area rises outwards
1 in 10
1 in 15
1 in 20
1 in 25
Pick up the correct statement from the following:
Approach zone survey is carried out to determine the elevations of the protruding obstructions above horizontal, conical and transitional surfaces
The wind data of an air port is depicted in the form of a chart known as wind rose
The landing and takeoff of the air craft is made against the wind direction
All the above
If the monthly mean of average daily temperature for the hottest month of the year is 25°C and the monthly mean of the maximum daily temperature of the same month of the year is 46°C, the airport reference temperature is
32°C
35.5°C
48°C
25°C
A gradient of + 0.08% is followed by a gradient of - 0.07%. If the permissible rate of change of grade is 0.003 per 30 metres, the length of the transition curve, is
150 m
140 m
160 m
175 m
For the taxiways, the following statement is true
The maximum longitudinal grade is 3%
The permissible rate of change of grade is 1%
The permissible transverse grade is 1.5%
All the above
The thickness design of the pavement, is decided on the load carried by
Main gears
Nose wheel
Tail wheel
All the above
The maximum value of the angle of turning of the nose gear large jet aircrafts, is limited to
20°
30°
45°
60°
If lift off distance of an craft is 2000 m, the clear way at the end of the runway should not be less than
145 m
152.5 m
162.5 m
172.5 m
The total length of a runway is 1000 m. The elevation at distance 0,200 m, 400 m, 600 m, 800 m and 1000 m are 100.0 m, 99.2 m, 101.0 m, 101.8 m, 101.4 m and 101.0 m respectively. The effective gradient of runway will be.
0.10 %
0.26 %
0.43 %
0.65 %
As per ICAO, the minimum basic runway length for A and E type of airport will be
1500 m and 600 m
2100 m and 750 m
1500 m and 750 m
2100 m and 600 m
Assertion A: The width of a taxiway is smaller than the runway width. Reason R: The speed of the aircraft on a taxiway is greater than that on runway. Select your answer based on coding system given below
Both A and R is true and R is the correct explanation of A
Both A and R is true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
As per UK design criteria, if LCN of aircraft is between 1.25 to 1.5 times the LCN of pavement, then the number of movements allowed are
Zero
300
3000
Unrestricted
Which of the following is used for servicing and repairs of the aircraft?
Apron
Hanger
Terminal building
Holding apron
The bearing of the runway at threshold is 290°, the runway number is
N 70° W
290°
29°
W 20° N
Runway threshold is indicated by a series of parallel lines starting from a distance of
3 m from runway end
6 m from runway end
10 m from runway end
15 m from runway end
The distance between main gears is 10 m, and the distance of nose gear from centre of main gears is 30 m. If the angle of turning is 60°, the distance of centre of rotation from the nearer main gear, is
12.30 m
11.30 m
10.30 m
9.30 m
Pick up the correct statement from the following:
Landing speed is directly proportional to the wing loading
Wing loading remaining constant, the take off distance is directly proportional to the powder loading
Neither (a) nor (b)
Both (a) and (b)
The reduced level of the proposed site of an air port is 2500 m above M.S.L. If the recommended length by I.C.A.O. for the runway at sea level is 2500 m, the required length of the runway is
2500 m
3725 m
3000 m
3250 m
Speed of
Sound at 0°C is 1190 kmph
Sound varies 2.4 kmph per degree centigrade rise in temperature
Sound at 0°C is called one Mach
All the above
For determining the basic runway length, the landing case requires that aircraft should come to a stop within p % of the landing distance. The value of p is
40 %
50 %
60 %
75 %
An aircraft is flying in an atmosphere of 30°C with a speed of 1260 km ph. Its speed is known as
Subsonic
Sonic
Super-sonic
Mach
From the end of an instrumental runway, the approach surface rises outwards
1 in 20
1 in 30
1 in 40
1 in 50
The landing and takeoff of the air craft is made against the direction of wind. In no case the centre line of the runway should make an angle with the wind direction exceeding
10°
20°
30°
40°