Many years ago I picked up a large drill bit in an Aztec at Aberdeen to fly to the Isle of Skye. Much fiddling to get it on - it was both large and heavy, needed spreaders and involved propping the tail to stop it tipping.
Fortunately I had planned a visual transit through the valleys, map in hand, 'cos when I looked at my compass.......................
Nobody told me or the handling agent that drill bits were highly magnetic, and of course it was not sitting far from the compass detector. I learnt about flying from that, as they say. I still get 'pulled' into metal doors
