Location labor multiplier is defined as the amount that the latitude multiplies the labor rate. To maximize the rotation boost, it is desirable to launch from the equator. To reach a polar orbit, it is desirable to launch from a pole. However, industry is concentrated in the lower mid latitudes so labor will be less expensive there. To launch from the equator, spacecraft will often be launched from boats or aircraft. In either case there is extra labor required to move the spacecraft there, which is quantified with the location labor multiplier.

A pole is harder and more expensive to get to, so it is rarely done. The least expensive way to launch from a pole is to launch the spacecraft from an airplane. Location labor multiplier is used to calculate initial labor and launch labor.

initial labor = labor rate * initial hours * location labor multiplier

launch labor = labor rate * launch hours * location labor multiplier
 

This is used in atmospheric spacecraft, multi stage spacecraft, and spacecraft cost.
 

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