Chalk number - definition of chalk number by The Free Dictionary
The number given to a complete load and to the transporting carrier. See also chalk commander; chalk troops.
References in periodicals archive
It refers to a chalk number
that is assigned to an aircraft and the corresponding chalk number
given to personnel, equipment, and supplies that will be loaded on that aircraft for transport.
Each bore a chalk number
to denote its former owner.
Close inspection of the work reveals it sits on a grid of white chalk lines with corresponding red chalk numbers
for reproducing the work on a larger scale in oil.