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
Correct Answer :
D. 1 alone is correct
Related Questions
As per ICAO recommendation, minimum width of safety area for instrumental runway should be
78 m
150 m
300 m
450 m
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
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
Conical surface of the approach area rises outwards
1 in 10
1 in 15
1 in 20
1 in 25
The centre to centre spacing of heliport lighting along the periphery of landing and takeoff area should be
2.5 m
5.0 m
7.5 m
10.0 m
The best direction of a runway is along the direction of
Longest line on wind rose diagram
Shortest line on the wind rose diagram
Line clear of wind rose diagram
None of these
The air is blowing at a speed of 75 knots in the direction of the aircraft flying at a ground speed of 775 knots. The air speed of the aircraft, is
775 knots
75 knots
850 knots
675 knots
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
Which of the following is an example of failure in flexible pavements?
Alligator cracking
Mud pumping
Warping cracks
Shrinkage cracks
Pick up the correct statement from the following:
F.I.R. stands for flight information regions
Radius of control area is 160 km
Radius of control zone is 40 km
All the above
An airport has 4 gates. If the weighted average gate occupancy time is 30 minutes and gate utilisation factor is 0.5, then the capacity of the gate will be
1 aircraft per hour
2 aircrafts per hour
4 aircrafts per hour
16 aircrafts per hour
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
The size of landing area for multi engine helicopters operating under 1 FR conditions is
22.5 m × 22.5 m
30 m × 30 m
22.5 m × 30 m
60 m × 120 m
Pick up the incorrect statement from the following:
L.O.M. is installed at 7.2 km from the threshold
L.M.M. is installed at 1.0 km from the threshold
Localizer antenna is installed at 300 m from the other end of the runway
Glide slope antenna is installed at the centre of the runway about 150 m on one side
If the width of the approach area near the runway end is 150 m, the width of the approach area at a distance of 3 kilometres from runway end will be
1500 m
1200 m
1000 m
800 m
The bearing of the runway at threshold is 290°, the runway number is
N 70° W
290°
29°
W 20° N
For night landing, the thresholds are lighted
Green
Red
White
Yellow
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
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
For the proposed air port, the survey project provides
Master plan
Topographic plan
Grading plan
All the above
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
The length of runway under standard conditions is 2000 m. The elevation of airport site is 300 m. Its reference temperature is 33.05°C. If the runway is to be constructed with an effective gradient of 0.25 percent, the corrected runway length will be
2500 m
2600 m
2700 m
2800 m
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
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
The coordinates of the ends of a runway are (5000, 5000) and (8000, 7000). The co-ordinates of another runway are (4600, 5100) and (7000, 5300). The co-ordinates of the A.R.P. are
(6500, 6000)
(5800, 5200)
(61500, 5600)
(8000, 7000)
Pick up the correct statement from the following:
The basic length of a runway is increased at a rate of 7% per 300 m of elevation of M.S.L.
The standard temperature at the site is obtained by reducing the standard sea level temperature of 15°C at the rate of 6.5°C per 1000 m rise in elevation
The aerodrome reference temperature is the monthly mean of the mean daily temperature for the hottest month of the year
All the above
Consider the following statements regarding ICAO recommendation for correction to basic runway length
1. The basic runway length should be increased at the rate of 7 percent per 300 m rise in elevation above the mean sea level.
2. The basic runway length after having been corrected for elevation should be further increased at the rate of 1 percent for every 1°C rise in airport reference temperature above the standard atmospheric temperature at that elevation.
3. The runway length after having been corrected for elevation and temperature should be further increased at the rate of 20% for every 1 percent of effective gradient. Of these statements
1 and 2 are correct
2 and 3 are correct
1 and 3 are correct
1, 2 and 3 are correct
The width and interval of transverse centre line bars along the extended centre line of runway, in approach lighting system are
3 m and 30 m
4.2 m and 30 m
4.2 m and 50 m
3 m and 45 m
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
The main disadvantage of angle nose out parking configuration of aircraft is that the
Aircraft rear loading door is far away from terminal building.
Hot blast is directed towards the terminal building
Overall apron area required is more
All the above