I remember a night extraction from a field between XMG and Cullaville pre NVG. We had carried out a recce during day and flew to the torch T that the Troops had. Yes you guessed, Wrong Field! As we lifted and transited away, bright flash and all lights went out in Cullaville. On arrival back at BBK we still had 40 foot of cable wrapped around the port wheel. Neatly cut of at the tail rotor! As they used to say NI was a Bog held together by WIRES!