I haven't tried this yet, in the sim, but the idea of coming over head and flying a circuit, Hi key, Low key etc., seems best if possible. As for when on longer finals I would have thought at F5 aiming at the far end of the rwy would be good and then about 1000' agl lower gear and further flaps would bring the landing point closer to the normal end of the rwy. Do not aim at the normal TDZ point with only half the drag out. You'll get a big surprise when the dunlops dangle. If necessary assess the TDZ after the gear is down BEFORE lowering any more flap. That by itself may have brought the TDZ point to the closest allowable and any more drag will drop you in short. All this assuming the APU is running. If it's not there, then you have a seriously bad hair day.