Flying high: Jetpack invention reaches 5,000ft as futuristic transport gets ever-closer to commercial use

By DAILY MAIL REPORTER Previous test: The Martin Jetpack has already completed a seven-minute test flight, which saw it climb to an altitude of 100ftTravelling by jetpack used to be something only seen in science fiction.But the first commercial suit could soon be on sale following another successful step on the flight towards production.Over the weekend, a team of New Zealand inventors behind