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45 Cards in this Set

  • Front
  • Back

Standardized

Airport lighting is _____ so that airports use the same light colors for runways and taxiways.

Approach Light System

provides the basic means to transition from instrument flight to visual flight for landing.

Visual Approach Slope Indicator

provide visual descent guidance information during the approach to a runway.

Two-bar VASI installations provide

one visual glide path, which is normally set at 3 degrees.

Three-bar VASI installations

provide two visual glide paths.

lower glide path

is provided by the near and middle bars and is normally set at 3 degrees.

upper glide path

provided by the middle and far bars, is normally 1/4 degree higher.

higher glide path

is intended for use only by high cockpit aircraft to provide a sufficient threshold crossing height.

precision approach path indicator (PAPI)

uses light units similar to the VASI but is installed in a single row of either two or four light units.

Tri-color visual approach slope indicators

normally consist of a single light unit projecting a three-color visual approach path into the final approach area of the runway upon which the indicator is installed.

The below glide path indication is

Red

above glide path indication

amber

the on glide path indication is

Green

Pulsating visual approach slope indicators

normally consist of a single light unit projecting a two-color visual approach path into the final approach area of the runway upon which the indicator is installed.

Steady white

The on glide path indication on pulsating visual approach slope indicator is

steady red light

The slightly below glide path indication is a

red light

If the aircraft descends further below the glide path, the ____ starts to pulsate

pulsating white light.

The above glide path indication is a

Alignment of elements systems

installed on some small general aviation airports and is a low-cost system consisting of painted plywood panels, normally black and white or fluorescent orange.

Runway End Identifier Lights

Installed at many airfields to provide rapid and positive identification of the approach end of a particular runway.

REILs

may be either omnidirectional or unidirectional facing the approach area.

Runway Edge Light System

used to outline the edges of runways during periods of darkness or restricted visibility conditions.

The HIRL and MIRL

systems have variable intensity controls

LIRLs


normally have one intensity setting.


Runway centerline lights

are installed on some precision approach runways to facilitate landing under adverse visibility conditions.

Touchdown Zone Lights (TDZL).

are installed on some precision approach runways to indicate the touchdown zone when landing under adverse visibility conditions. They consist of two rows of transverse light bars disposed symmetrically about the runway centerline.

Taxiway Centerline Lead-Off Lights.

provide visual guidance to persons exiting the runway. They are color-coded to warn pilots and vehicle drivers that they are within the runway environment or instrument landing system/microwave landing system (ILS/MLS) critical area, whichever is more restrictive.

Taxiway Centerline Lead-On Lights.

provide visual guidance to persons entering the runway.

Land and Hold Short Lights.

are used to indicate the hold short point on certain runways, which are approved for Land and Hold Short Operations (LAHSO).

Taxiway Edge Lights.

are used to outline the edges of taxiways during periods of darkness or restricted visibility conditions. These fixtures emit blue light.

Taxiway Centerline Lights.

used to facilitate ground traffic under low visibility conditions. Taxiway centerline lights are steady burning and emit green light.

Clearance Bar Lights.

are installed at holding positions on taxiways in order to increase the conspicuity of the holding position in low visibility conditions.

Runway Guard Lights.

are installed at taxiway/runway intersections. They are primarily used to enhance the conspicuity of taxiway/runway intersections during low visibility conditions, but may be used in all weather conditions.

Stop Bar Lights.

when installed, are used to confirm the ATC clearance to enter or cross the active runway in low visibility conditions (below 1,200 ft Runway Visual Range).

aeronautical light beacon

is a visual NAVAID displaying flashes of white and/or colored light to indicate the location of an airport, a heliport, a landmark, a certain point of a Federal airway in mountainous terrain, or an obstruction.

Code Beacons.

, which can be seen from all directions, is used to identify airports and landmarks.

Green flashes

are displayed for land airports

yellow flashes

indicate water airports.

Course Lights.

which can be seen clearly from only one direction, is used only with rotating beacons of the Federal Airway System: two course lights, back to back, direct coded flashing beams of light in either direction along the course of airway.

Airport and heliport beacons

have a vertical light distribution to make them most effective from one to ten degrees above the horizon; however, they can be seen well above and below this peak spread. The beacon may be an omnidirectional capacitor-discharge device, or it may rotate at a constant speed, which produces the visual effect of flashes at regular intervals. Flashes may be one or two colors alternately.

White and Green-

Lighted land airport.

White and Yellow

Lighted water airport.

Green, Yellow, and White

- Lighted heliport.

Military airport beacons


flash alternately white and green, but are differentiated from civil beacons by dual peaked (two quick) white flashes between the green flashes.

Aeronautical lightings

used to guide the pilot during night operation as well as in low visibility flight conditions.