Here is an autocad dwg file for details of Heliport--electrical installations. There is a presentation plan layout with all the electrical fitting and proper detailing of the installations.
Airplane site plan of auto
Floor plan of airport in a
Airport exterior elevation
Helicopter landing base ar
2d cad drawing of airplane
Air traffic control tower
Airport airfield design
Airport cad drawing is giv
International Airport Proj
Airport floor plan distrib
Airport terminal building
Heliport design study