It'll always happen...
A hawk (I believe flown by OC Valley) twice, as I heard it, tried to land at Bristol instead of Filton
A commercial PA34 landed at Heyford instead of Oxford
and a personal favourite-
a BOAC Comet 4, scheduled flight full of pax landed on a road in a National Park instead of at Nairobi.
Didn't David Gunston used to talk about an Aer Lingus 747 landing at Birmingham instead of Manch?