The Irvin-GQ LLP Mk 1 is a British low level, static-line operated parachute used by British armed forces for fully equipped airborne troop mass tactical parachute assaults from jump heights as low as 250 feet (76 meters). The Irvin-GQ LLP Mk 1 can cope with a suspended weight of 160 kg and provides a descent speed of between 5 and 6 metres per second depending upon the suspended weight. The Irvin-GQ LLP Mk 1 has an assembly weight of 18.5 kg. Research Irvin-GQ LLP Mk 1