I seem to recall: At the start of the Falklands affair we were not allowed to go above standard TOW (160,000 lbs?) out of Lyneham. There we were off over the hill with falling ground beneath us. So we had to put in to Gib for fuel. Gib takeoffs were authorised at 175,000 lbs, thus ensuring an exciting start across Algeciras Bay with the Spanish frontier looming. Never did understand the thinking behind those rules! Happy days.