An extendable boom loader and system. The extendable boom loader includes a distal boom element and a package tray. The boom element includes a package stop that moves to a first position blocking passage of packages and a second position allowing passage of packages, and a securing mechanism that holds the package stop in the first position. The package tray moves to first and second positions, respectively retracted within and extending from the boom element. The tray includes a tray package stop apparatus that prevents packages from sliding off a distal end of the tray. The distal boom element further includes a drawer unit that moves to first and second positions, respectively retracted within and extending from the tray. The drawer unit is configured to pivot down, while in its second position, to reach a floor of a container being loaded using the extendable boom loader.