Ask the Captain: Why doesn’t the emergency oxygen mask bag inflate immediately?
How is the distance remaining on the runway marked?
– roybjr, Corning, New York
On many runways, there are distance-remaining markers on the side of the runway, sometimes both sides. They are large square signs with large numerals usually black background with white numerals. They provide the remaining distance in thousands of feet.
John Cox is a retired airline captain with US Airways and runs his own aviation safety consulting company, Safety Operating Systems.