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Information Signs

AIM ¶ 2-3-12 — Information Signs

AIM 2-3-12 explains airport information signs: yellow background, black text, used for radio frequencies, noise abatement, and unseen areas.

In Plain English

Information signs at airports give pilots useful operational details that aren't safety-critical mandates but help you operate efficiently and courteously. Per AIM 2-3-12, these signs are easy to spot:

  • Yellow background with black inscription
  • Placed at the discretion of the airport operator, who determines the need, size, and location

Typical content includes:

  • Information about areas not visible from the control tower (so you know where you may need to be extra vigilant or make position reports)
  • Applicable radio frequencies (ground, tower, ATIS, clearance delivery, etc.)
  • Noise abatement procedures for departures and arrivals

Why it matters: knowing the color code lets you quickly distinguish information signs from mandatory instruction signs (red), location signs (black), or direction signs (yellow with black arrows). This helps prevent confusion during taxi, especially at unfamiliar airports. While the AIM is informational rather than regulatory, recognizing these signs is expected on checkrides and is essential to safe ground operations.

AIM Source Text
FAA AIM ¶ 2-3-12
2-3-12. 2-3-12. Information Signs Information signs have a yellow background with a black inscription. They are used to provide the pilot with information on such things as areas that cannot be seen from the control tower, applicable radio frequencies, and noise abatement procedures. The airport operator determines the need, size, and location for these signs.
Oral Exam Questions a DPE Might Ask
Q1What color scheme identifies an airport information sign?
Per AIM 2-3-12, information signs have a yellow background with a black inscription.
Q2What kind of information might be displayed on an information sign?
Per AIM 2-3-12, information signs may show details such as areas that cannot be seen from the control tower, applicable radio frequencies, and noise abatement procedures.
Q3Who decides whether an information sign is installed and where it is placed?
Per AIM 2-3-12, the airport operator determines the need, size, and location for information signs.
Related Paragraphs in AIM Chapter 2
2-3-1
Airport Markings and Signs
2-3-10
Airport Direction Signs
2-3-11
Destination Signs
2-3-13
Runway Distance Remaining Signs
2-3-14
Aircraft Arresting Systems
2-3-15
SIDA Security Areas
2-3-2
Airport Pavement Markings
2-3-3
Runway Markings
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AIM 2-3-12 — Airport Information Signs