Basically the need is for the time occupied by the rear ship in traversing twice the length of the column at a relative speed equal to the difference between 7 knots and a speed of one knot less than stationing speed.
Eyona mfuneko yeyexesha elithathwe ngumva wenqanawa kuhambo oluphindwe kabini kubude boluhlu ekuthekeleliswe isantya esilingana nomahluko phakathi kwamaqhina ayi7 kunye nesantya seqhina elinye elingaphantsi kokubekwa kwesantya.