On most military aircraft landings, the FPM seems to be usually lined up with the start of the runway, either around the numbers or the aiming point, I would asume this to be the same on carriers for a higher probability of catching the wires, But it seems in most videos, the FPM is placed almost off the end of the runway.
Ex:https://www.youtube.com/watch?v=phR1BKmpQ5k (Loud noise)