The slope of the obstruction clearance line from the boundary of the heliport should be
1 : 2
1 : 5
1 : 8
1 : 40
Correct Answer :
C. 1 : 8
Related Questions
The strength of winds is measured with the help of
Beaufort scale
Wind indicator
Barometers
None of these
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
For supersonic transport aircraft, the minimum turning radius of taxiway is
60 m
120 m
180 m
240 m
As per ICAO, for airports serving big aircrafts, the crosswind component should not exceed
15 kmph
25 kmph
35 kmph
45 kmph
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
Airport elevation is the reduced level above M.S.L. of
Control tower
Highest point of the landing area
Lowest point of the landing area
None of these
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 length after correcting for elevation and temperature is 2845 m. If the effective gradient on runway is 0.5 percent then the revised runway length will be
2845 m
2910 m
3030 m
3130 m
Castor angle is defined as the angle
Formed by the longitudinal axis of the aircraft and the direction of movement of the nose gear
Between the direction of wind and the longitudinal axis of the runway
Between the true speed of the aircraft and the crosswind component
Between the horizontal and the fuselage axis
Wing loading of an aircraft is
Load of the wings
Gross total weight of the aircraft/ load of the wings
Gross total weight of the aircraft/ wing area
Gross total weight of the aircraft/total available H.P of engines
The lift off distance is the distance along the centre of the runway between the starting point and
End of the runway
End of stop-way
Point where air craft becomes air borne
Point where air craft attains a height of 10.7 m
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
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 %
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
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 maximum length and pavement strength of the runway is that of
A 1
B 2
B 3
G 7
Pick up the correct statement from the following:
The centre line of the approach area coincides with that of the runway
Approach areas are measured in horizontal surfaces
Obstruction clearance surface and approach surface are same
All the above
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
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
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:
Tar concrete pavements are suitable if fuel spillage occurs
Rubberised tar concrete hot blast as well as spillage
Epoxy asphalt concrete sets in very small time
All the above
The length of clear zone for none instrument runway of a small aircraft is
150 m
300 m
600 m
750 m
Pick up the correct statement from the following:
Air screw converts the energy given by the engine into speed
The propellers which are driven by turbine engines, are technically called turboprops
The aircrafts which obtain the thrust directly from turbine engine, are called turbo-jets
All the above
Beaufort scale is used to determine
Strength of winds
Direction of winds
Height of air-crafts
None of these
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 bearing of the runway at threshold is 290°, the runway number is
N 70° W
290°
29°
W 20° N
The engine failure case for determining the basic runway length may require
Only clearway
Only stop way
Either a clearway or a stop-way
Either a clearway or a stop-way or both
From the end of an instrumental runway, the approach surface rises outwards
1 in 20
1 in 30
1 in 40
1 in 50
Pick up the incorrect statement from the following:
Channelization of pavement is caused by constant use of tri-cycle gears of aircraft
Blast pads are used over cohesionless soils to resist erosion due to tremendous speed of the jet blast
Over-run areas of at least 300 m length on either side of the runway are provided
None of these
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