ATC Flashcards
What is the manoeuvring area
Part of the aerodrome used for take off/ landing and movement of aircraft associated with this.
3 components of a runway
Threshold lines
Runway number
Centre line
How do you work out the reciprocal of a runway
180 or less add 18
190 or more take 18
Common displaced threshold markings
2 directional arrows
Four chevrons
Transverse bar
Taxiway markings
Yellow hatched centre line and double yellow outer lines
What is a holding position
Area where aircraft wait until runway is clear
What does ASP stand for and what is it used for?
Air system servicing platform
Loading/ unloading
Refuelling
Maintenance
Parking
Aerodrome signs
Black background yellow writing = information
Yellow background black writing = directional
Red background white writing = mandatory
LCG & LCN
Load classification group & load classification number
LCN/ LCG Relationship
Aircraft are assigned a number between 1 (heaviest) and 7 (lightest)
PCN
Pavement classification number
The strength of the surface to support aircraft with a mass greater than 5700kgs
CAN
Aircraft classification number
Used to classify if runway can handle aircraft using weight of aircraft and surface type
ILS
Instrument landing system
How many transmitters are in the ILS and name them?
4
Localiser
Glide path
Middle marker
Outer marker
PAR
Precision approach radar
What is PAR used for?
Used to give pilots guidance on their final approach to the runway
High resolution direction finder
Radio location that uses the reception of radio waves to determine the direction in which a radio station or an object is located
TACAN and what it does
Tactical air navigation aid
Indicates magnetic bearing and distance from the beacon
Operates on VHF
VHF Omni-range
Operates on VHF
Provides pilot with magnetic bearing from the beacon
No distance
Non directional beacon and uses
Indicates to pilot direction to fly in order to reach beacon
No distance
Used to home to overhead and holding procedures
DME
Distance messing equipment
Operates on VHF
Provides pilot with distance from the beacon
How long is the approach lighting from the edge of the runway
900m
What is the distance between horizontal lights on the approach lighting
150m
Where does the approach lights centre change from double to single
450m from start of runway
What is wing bar runway light
Fixed uni-directional lights showing green in direction of approach to runway
How many lights should the wing bar runway light have and how far should they extend
At least 5 lights extending at least 10m outwards
Runway lighting - what are the 2 types of lights and what are the spacing
Uni-directional- 1 way - every 30m
Omni-directional - 360 deg- every 90m
PAPI
Precision approach path indicator
What is PAPI
Visual aid to assist pilots with correct approach to runway
Consists of 4 units of lights with 3 lights in each unit either side of runway
Placed at optimum touch down point
Permanent obstruction lights
2 red omni-directional lamps marking outer dimensions of object
What does Blue lit taxiway mean
Taxiway less than 60ft wide