Low Flying Aircraft holding due to Dublin Airport ILS Calibration!!

Hey guys in this video there are loads of low flying aircraft in large groups!! These clips were filmed all within 30mins. Including Emirates 777-300ER, KLM A330, Sunwing 737 with the new 737 max winglet design for Thompson, Aer Lingus A330s ATRs and A320s and of course Ryanair 737s.

These aircraft were holding over my town because a ULTAG is located here and because Dublin Airport was having Calibrations done for the ILS on Runways 10/16/28 and navigation systems using a DA-42 Diamond.

https://www.youtube.com/watch?v=fqhxiv48ikE