Airport Lighting
ATC Light Gun Signals
Runway Lighting
Beacon light types
Where can you find this information?
100

These green lights mark the centerline of a taxiway.

What are taxiway centerline lights?

100

On the Ground what does steady green mean?

Clear for takeoff

100

These white lights outline the edges of a runway at night or in low visibility.

What are runway edge lights?

100

What beacon rotation is for Civilian airports?

White and Green

100

Where can you find specific information regarding specific airports?

Chart Supplement 

200

What color are taxi-way lights

Blue

200

On the ground what does steady red mean

stop

200

These lights appear red from behind the aircraft and green from the front.

What are threshold lights?

200

What beacon rotation is for Military airports?

two white flashes alternating with a green flash

200

Where can you find all information regarding airport lighting information?

AIM

300

These steadily-burning yellow lights install prior to a runway hold short line to warn pilots they are approaching a runway.

What are runway guard lights?

300

In the air what does flashing red mean

Do not land

300

These lights, located along the center of some precision runways, transition from white → alternating white/ red → all red as you approach the end.

What are runway centerline lights (RCLS)?

300

What beacon rotation is for Water airport

White and yellow

300
Where can you find Rotating Beacon information

AIM 2-1-10

400

This illuminated marking shows a red background with an inscription such as “25-7”.

What is an illuminated runway hold-position sign?

400

What does Red and green mean 

Extreme Caution required 

400

On an instrument runway, these lights change from white to yellow in the last 2,000 feet

What are the runway edge “caution zone” lights?

400

What beacon rotation is for Heliports 

Green, yellow and white 

400

Where can you find information regarding Light Gun signals

AIM 4-3-13 and 14 CFR § 91.125  

500

These alternating yellow lights on taxiways help prevent runway incursions by drawing attention to a hold line.

What are wig-wag lights?

500

In the air what does steady red mean

Giveway

500

On precision runways, these lights help pilots maintain directional control during rollout; they alternate red and white at 3,000–1,000 ft and turn all red in the final 1,000 ft.

What are touchdown zone / rollout centerline lights?

500

What beacon lights indicate Hospital/Emergency Heliports

A beacon with green, white, and amber flashes

500

Where can you reference Airport/runway lighting?

AIM 2-1-3 through 2-1-10

M
e
n
u