Runways, sort of (they're actually that divided by 10, zero-padded to two digits if necessary). So a runway marked "27" has a heading of approximately 270 degrees and therefore runs due west (Runways have different numbers on each end; the other end of runway 27 would be marked "09").
Runways
runways
Runways
Runways
Compass bearings - to the nearest 10 degrees.
Compass bearings.
Compass bearings.
Runways
runways
Runways
Runways
Compass bearings - to the nearest 10 degrees.
Runways
Runways
Airport runways are.
Airport runways
Runways