I was taxiing clear of Rwy 05 GLA on the 8th Oct and saw the said 727 arrive. And arrive it did. It touched firmly on the right wheel with a cross wind from the right then bounced over to the left and I was pretty sure the left wing was gonna touch the grass. Indeed, I had to pause my PA to the pax and point frantically to the FO to watch the event unfolding ahead of us. It then locked up both main wheels for about 2000'. Released brakes then locked up again for a further 2000'approx. Pulling off at the cross runway. Loads of rubber burnt and smoke to go with it. We later lined up for departure and you could see the skid marks going from way left of centre line to the right then back on the centreline. Was there any need for such harsh braking. I was amazed ATC never mentioed the smoking wheels or even the crew going to have a look at the wheels after shutdown on stand. It stopped my heart for a few seconds when that thing touched down. Looked very close. The tyres looked rather bald ableit from a distance as we taxiied past stand 8 I think it was. Still a lovely looking bird.