Panavia Tornado GR4 – Mach Loop April 10th 2017 sonicbenj April 10, 2017 Low level / Mach Loop A single Tornado GR4, ZD713 callsign MRM18, paid us a visit on Bwlch Spur on April 10th 2017. Related Tags: Aviation, Awesome, GR4, Low level, Military, RAF, Tornado, Wales Continue Reading Previous PostAirbus A400M Atlas Mach Loop April 10th 2017Next PostThree ship of Tornado GR4s, including Pinky – April 21st 2017 You Might Also Like 2nd low level RAF Typhoon Mach Loop – 21st May 2012 May 21, 2012 RAF C-130J low level in the Mach Loop – May 30th 2018 June 1, 2018 Belgian Stinger F-16s Lake Vyrnwy – July 2017 July 12, 2017