Products / Megadoors / Aviation hangar doors ASSA ABLOY aviation hangar doors Aviation hangar doors for the large and often very wide openings needed for aircraft. Available as a single door-leaf or multiple system, and can be almost unlimited in size. Single-leaf aviation hangar door systemsMaximum reliability, safety and energy-efficiency. ASSA ABLOY multiple-leaf fabric hangar doors for aviationClose massive openings with variable heights.