Aviation Basics

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Aviation Basics (Q and A)

What is an aerodrome?
Aerodrome is any area of land, water (including the frozen surface thereof) or other supporting surface used, designed, prepared, equipped or set apart for use either in whole or in part for the arrival, departure or surface movement of aircraft.
What is the difference between an aerodrome and airport?
An aerodrome can be small airstrips located on private property that are neither registered nor certified, or located on land or water use either in whole or in part for the arrival, departure or surface movement of aircraft. But airports are only certified aerodromes. (All airports are aerodromes, but all aerodromes are not airports)
Aerodromes are grouped depending on a number of factors. What are these factors?
  • Use - Civil Aerodromes/ Military Aerodromes/ Joint User Aerodromes
  • Landing Surface - Land Aerodromes/ Water Aerodromes/ Heliports,
  • Infrastructure- Airports/ Aerodromes/ Landing Pads/Strips, Helipads
  • Nature of Traffic - Domestic / International, (passenger/cargo)
  • Nature of Surface -Paved runway / unpaved runway
How is an aerodrome field length determined?
Code Number Aerodrome Reference Field Length
1 < 800
2 800 - 1200
3 1200 - 1800
4 > 1800
What is the most suitable aerodrome category to land an Airbus A380 aircraft?
Category A
What do you understand by the term “aerodrome reference point”?
The designated geographical location of an aerodrome
What are the three main classifications of aerodrome traffic density?
Light, Medium and Heavy
Defined “clearway” and “stop-way”
  • Clearway- A defined rectangular area on the ground or water selected as a suitable area over which an aeroplane may make a portion of its initial climb to a specified height.
  • Stopway- A defined rectangular area on the ground at the end of take-off run available prepared as a suitable area in which an aircraft can be stopped in the case of an abandoned take off.
What do you understand by runway usability factor?
The percentage of time during which the use of a runway or system of runways is not restricted because of the cross-wind component (it is based on wind and other weather factor)
What are the categories of Instrument runways?
  • Non-precision approach runway
  • Precision approach runway, category I
  • Precision approach runway, category II
What is Runway Visual Range (RVR)?
The range over which the pilot of an aircraft on the centre line of a runway can see the runway surface markings or the lights delineating the runway or identifying its centre line
What is a precision approach runway mainly intended for?
Intended for operation of aircraft using instrument approach procedure
Explain the utility of a CAT III B precision approach runway.
Intended for operations with a decision height lower than 50ft, or no decision height and a RWY visual range less than 200 m but not less than 50m
What is the definition of
  • Taxi way - A defined path on a land aerodrome established for the taxiing of aircraft and intended to provide a link between one part of the aerodrome and another, including Aircraft Stand Taxi lanes, Apron Taxiways, Rapid Exit Taxiways
  • Touchdown Zone - The portion of a runway, beyond the threshold, where it is intended landing aeroplanes first contact the runway.
What is the main purpose of an aerodrome “movement area”?
The part of an aerodrome to be used for the take-off, landing and taxiing of aircraft, consisting of the manoeuvring area and the apron
Aerodrome Certificate is issued to
The Airport Operator
What is the utility of a non-instrument runway?
Intended for the operation of aircraft using visual approach procedures
Define aerostat giving an example of its effect on air
Aerostat is something lighter than air (Ex: Balloons)
What is the primary factor in the aircraft cabin that differentiates a narrow body aircraft from a wide body aircraft?
Wide body consist with two aisles
Narrow body consist with single aisles
What is the main difference between a sea-plane and an amphibious aircraft?
A sea plane can be landed or moved only on a surface of water. Amphibious can be landed or moved on both land and water surfaces.
Aircraft engine emission area directly related to fuel burn. How much carbon dioxide (CO2) emissions can be reduced for each kilogram of fuel saved?
3.16 kg
What is the average fuel efficiency of a modern aircraft?
3.5 liters per 100 passenger kilometers

See also



--Gishan Chaturanga 00:44, 20 May 2011 (MDT)