ACE Airfield Lighting and Maintenance 2

Question 1

What is the standard color of taxiway centerline lights at a US airport?

Accepted Answer

Green

Answer

Taxiway centerline lights are green, helping pilots distinguish them from runway lights.

Question 2

Which FAA advisory circular governs the design of airport lighting systems?

Accepted Answer

AC 150/5340-30

Answer

AC 150/5340-30 covers the design and installation of airport lighting systems.

Question 3

A series circuit airport lighting system fails completely when one lamp burns out. What component prevents this?

Accepted Answer

Series isolation transformer

Answer

Series isolation transformers allow individual lamps to fail without breaking the entire series circuit.

Question 4

What is the primary function of a Constant Current Regulator (CCR) in airfield lighting?

Accepted Answer

Maintain steady current through the series circuit

Answer

A CCR keeps the current constant in a series circuit regardless of the number of operating lamps.

Question 5

Which lighting system marks the boundary between a runway and a displaced threshold?

Accepted Answer

Threshold lights (green)

Answer

Green threshold lights mark the beginning of the usable landing portion of a runway.

(ACE) Airport Certified Employee Practice Test