Isolated crew deck for an operational ground support system

An aircraft comprising:

• a plurality of servicing levels;
• a nose docking port for receiving people, located at a nose of said aircraft;
• a flight deck level isolated from said servicing levels;
• and
• a combination flight crew/passenger entranceway comprising a flight deck elevator in a flight deck elevator shaft, said flight deck elevator shaft being adjacent to said nose docking port, and wherein said flight deck elevator shaft extends between a passenger level and said flight deck level, thereby providing easy access from said nose docking port to said flight deck level.