Patent ID: 8328137

Claim:
An aircraft comprising: a passenger cabin; a cockpit; and a crew rest compartment comprising an emergency exit hatch arranged in a floor of the crew rest compartment and configured for allowing an exit from the crew rest compartment through the floor thereof and into the passenger cabin or the cockpit and for allowing an entry into the crew rest compartment from the passenger cabin or the cockpit, wherein the emergency exit hatch comprises: a first mechanism for allowing visual inspection of an area underneath the emergency exit hatch by at least partially opening the emergency exit hatch with the aid of the first mechanism; and a second mechanism for completely opening the emergency exit hatch; wherein the first mechanism is not the same as the second mechanism, and wherein the first mechanism is a mechanism selected from the group consisting of sliding mechanisms, sliding mechanisms with a rigid sliding unit, sliding mechanisms with a plurality of movable sliding units, sliding mechanisms with lamellae and sliding mechanisms with an individual rotatable blade.