An Aeroplane Hijack

Dhamaka Singh hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, Dhamaka Singh demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight parachutes?

If the officials thought he was jumping with a hostage, they would never risk giving him a faulty parachute. If the officials thought he was jumping with a hostage, they would never risk giving him a faulty parachute.