Page 16 - mro-business-today-15-08-2024

FEATURE

Image Courtesy : hangardoors.aero with Bottom Rolling Hangar Doors, Image Courtesy : Alpgate

and can be operated manually as also
motorized. And the range of doors ex-
tend from Hydraulic Swinging Doors to
Bi-Fold Hangar Doors. Each type has its
pros and cons and must be evaluated to
determined by the regulatory mandates Hangar doors of all sizes of hangars, suit individual needs.
and compliances in place. Airlines need especially for larger aircraft must meet The horizontal rolling door design is a
to adhere to guidelines about safety, specific requirements laid down by single or set of vertical leaves moving
storage, and maintenance standards. regulatory bodies. horizontally on steel tracks.
Compliance is essential to be able to There are several types of door A rolling door with its many sections
obtain the necessary certifications for designs to suit the requirements of us- can be adequately sealed to avoid
flight operations. ers – Hangar doors may be operated as environmental impacts caused by air
Aircraft and Helicopter hangars are manufactured – such as ground-guided leakage, and be made to offer adequate
designed and planned with safety in doors, overhead sliding doors, sliding ventilation and energy efficiency.
mind, especially during emergency and folding doors, telescopic sliding doors,
mission-critical situations. as well as round sliding doors. Seal ability for a fuselage aperture – an
Hangar designs too will need to evolve The doors need to pass the test important factor
as aerospace technology advances. The Requirements for the wind loads, A fuselage aperture is a circular
function and design of Hangars must tightness, no radar reflection, and light shaped hole in the centre of the hangar
be customized to the type and size of permeability combined with high ther- door and it allows the door to close
operations of any airline company – and mal insulation. around the body of an airplane. With
this holds true for commercial, business various sizes of wide¬¬¬¬ bodied
aircraft, and helicopters. Some Key Features Of Aircraft Hangar aircraft to accommodate, seal abil-
Doors ity is to install a foam bumper around
Of Hangar Doors Aircraft hangars typically are designed the circumference of the steel frame
aperture. The bumpers can be made to
carry an electric fail-safe sensor so that
the aperture will reverse if the bumper
detects contact with an obstacle.
Safety Feature: A Safety Edge feature is
added to aircraft hangar doors, so that
a moving hangar door comes to an im-
mediate halt, the moment it encounters
an obstruction. Additionally, install-
ing red light or siren sending out loud
alarms, can be activated, as and when
Image Courtesy : Diamond Doors an obstruction.
the Safety Edge is actuated indicating

Unidirectional Door Configuration
The unidirectional door configuration
requires a minimum of a one-leaf door

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