
Avionics installations
The objective is usually to help operators take advantage of new technologies to fly
more safely, with greater capability and enhanced reliability. Avionics modifications help older aircraft to
continue to operate efficiently in the evolving airspace system.
Because the miles of wiring snaking through an aircraft can become a complication,
each aerospace wire and wire bundle has aircraft cable markers for easy identification during future
maintenance. New installations are carefully laid out to economize on weight and space and also to allow for
ease of accessibility.
Long-term reliability, avionics servicing, and repair are extremely dependent on good
avionics installations. Avionics problems can be built in at the time of installation, if the work is not
performed correctly. Every installation should be neat, electrically well-designed, mechanically strong, and
properly put-together.
Costs for the same job will vary from aircraft to aircraft. The type of aircraft will
affect the time required to gain access to mounting areas. Larger aircraft generally require more time to
disassemble and re-assemble than smaller aircraft.
Available panel space to accommodate the new equipment will vary between aircraft.
Existing avionics may need to be relocated to make room for new avionics. Remote equipment may need to be
installed to allow backward compatibility of the new avionics with older existing avionics
systems.
The condition of existing avionics may need to be evaluated. Some installations
require the new avionics to be interfaced with existing systems.
As for Quality Assurance, Quality is not just a safety issue, but a time issue,
efficient installations are trouble free.

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