Aeronautical Information Manual (AIM), page 138

Index   137 -- Page 138 -- 139

FIG 2-3-32
Runway Location Sign

FIG 2-3-33
Runway Boundary Sign

2. Runway Location Sign. This sign has a
black background with a yellow inscription and
yellow border as shown in FIG 2-3-32. The
inscription is the designation of the runway on which
the aircraft is located. These signs are intended to
complement the information available to pilots
through their magnetic compass and typically are
installed where the proximity of two or more runways
to one another could cause pilots to be confused as to
which runway they are on.

3. Runway Boundary Sign. This sign has a
yellow background with a black inscription with a
graphic depicting the pavement holding position
marking as shown in FIG 2-3-33. This sign, which
faces the runway and is visible to the pilot exiting the
runway, is located adjacent to the holding position
marking on the pavement. The sign is intended to
provide pilots with another visual cue which they can
use as a guide in deciding when they are "clear of the

2-3-24 Airport Marking Aids and Signs

Page 138 of the Aeronautical Information Manual (AIM.pdf)
AIM: Official Guide to Basic Flight Information and ATC Procedures

Index   137 -- Page 138 -- 139