Signs
The color of taxiway centerline lights
Green
This color is used on light-colored pavements to outline markings
Black
The allowable grass height
7-14in
This light defines the lateral limits and is required for day and night instrument operations
taxiway edge light
This marking is intended to be a visual precursor to an approaching runway holding position
Enhanced hold position
These are used as a warning to anyone approaching the runway holding position
RGL's
These colors are used to mark obstructions
Orange and white
The rotational speed of airfield rotating beacons
6 RPM's
The amount of degrees guidance and information signs may be canted up to aid pilot visibility if the sign is not double faced
15 degrees
This is the shortened version of an ALSF-1
SSALR
These are the three marking patterns for manned, fixed-wing runways
VFR, non-precision, precision
The DV code S1 would be representative of this this person/position
POTUS, Heads of State/Reigning Royalty
The length of an ALSF-1
3000ft
The approval authority for non-standard markings
MAJCOM/A3
The speed needed to fully extend a windsock
15 kts