As per ICAO recommendation, the rate of change of longitudinal gradient per 30 m length of vertical curve for A and B type of airports is limited to a maximum of
0.1 %
0.2 %
0.3 %
0.4 %
Correct Answer :
A. 0.1 %
Related Questions
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
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
Conical surface of the approach area rises outwards
1 in 10
1 in 15
1 in 20
1 in 25
Two single runways may be arranged so as to have
L-shape
T-shape
X-shape
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
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
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 %
The threshold markings are
4 m wide
1 m clear space between adjacent
Placed symmetrically on either side of the runway centre line
All the above
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)
Pick up the correct statement from the following:
Approximate geometric centre of the landing area, is called air port reference point
The boundaries of horizontal surface and conical surface are marked with reference to air port reference point
The location of the air port on a map is the position of air port reference point
All the above
According to I.C.A.O. the slope of transitional surface at right angles to the centre line of runway, is kept
1 in 4
1 in 5
1 in 6
1 in 7
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
The fuse large includes
Passengers chamber
Pilot's cabin
Tail of aircraft
All the above
Pick up the correct statement from the following:
Runway edge from the landing side, is called threshold
Localizer indicates to the pilot his position with respect to the proposed alignment
The glide slope indicates the correct angle of descent
All the above
Calm period is the percentage of time during which wind intensity is less than
4.8 kmph
6.4 kmph
8.0 kmph
9.6 kmph
From the end of an instrumental runway, the approach surface rises outwards
1 in 20
1 in 30
1 in 40
1 in 50
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
The capacity of parallel runway pattern depends upon
Weather conditions and navigational aids available
Lateral spacing between two runways and weather conditions
Lateral spacing between two runways and navigational aids available
Lateral spacing between two runways, weather conditions and navigational aids available.
The maximum value of the angle of turning of the nose gear large jet aircrafts, is limited to
20°
30°
45°
60°
According to the International Civil Aviation Organisation (I.C.A.O.) the strength of runway pavements, have been coded by
Seven English alphabets
Last Seven English alphabets
First Seven English alphabets
First seven numbers
Beaufort scale is used to determine
Strength of winds
Direction of winds
Height of air-crafts
None of these
Pick up the incorrect statement from the following:
In single engine aeroplanes, the engine is provided in the nose of the aircraft
In double engine aeroplanes, one engine on either wing is placed symmetrically
In three engine aeroplanes, two engines are placed on both wings and one engine is placed in the tail
None of these
Assertion A : The ratio of arriving and departing aircrafts influences the airport Capacity: Reason R : Landing operation is generally given priority over the taking off operation. Select your answer based on the coding system given below:
Both A and R is true and R is the correct explanation of A
Both A and R is true and R is not the correct explanation of A
A is true but R is false
A is false but R is true
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
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
The runway orientation is made so that landing and takeoff are
Against the wind direction
Along the wind direction
Perpendicular to wind direction
None of these
Which of the following is an example of failure in flexible pavements?
Alligator cracking
Mud pumping
Warping cracks
Shrinkage cracks
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 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 slope of the obstruction clearance line from the boundary of the heliport should be
1 : 2
1 : 5
1 : 8
1 : 40