Plain English Meaning

The signs you see while taxiing at an airport. Their colors and shapes tell you where you are, where to go, what you must not cross, and how much runway is left.

Full Definition

A standardized system of signs installed on and around airport movement areas that provide pilots with location, direction, instruction, and information needed for safe ground operations. The signs are grouped into six types: mandatory instruction signs (red background, white text), location signs (black background, yellow text), direction signs (yellow background, black text), destination signs (yellow background, black text with arrows), information signs (yellow background, black text), and runway distance remaining signs (black background, white numerals).

Context Anchor

Seen while taxiing on the , reading an , or practicing with an instructor.