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MODUK - AVP 118: CHAPTER 7

Installation of Equipment and Systems (12.76)

inactive, Most Current
Organization: MODUK
Publication Date: 1 January 1976
Status: inactive
Page Count: 56
scope:

Introduction

This chapter gives recommendations for the installation in aircraft of equipment and systems, and particularly interconnecting cabling, in order that a reasonable degree of EMC may be achieved in the aircraft as a whole.

The information has been gathered from a number of sources, some of which have been referred to in other chapters of AvP 118, and some of which are listed in Appendix C 'Related documents'. In addition, some information has been contributed by specialists in a particular subject.

The information is the best that is available at the time of writing, but it is recognized that a great deal more needs to be known on this subject. Consequently a programme of practical experimental work using an aircraft is in hand with the object of measuring the precise effect of the various methods of installation practices which have been recommended, and if necessary this chapter will be revised and brought up-to-date as a result of this work.

The recommendations are made solely from an EMC aspect, and consequently they may conflict with other requirements. For example:

The primary criteria for the location of equipment, i.e. those related to weight distribution, and safety and operational requirements, may take precedence over criteria needed for EMC requirements.

Aerials cannot always be sited in the most suitable position.

Recommendations regarding cable segregation and separation cannot always be followed because of space limitations.

Cooling requirements may have to take precedence over effective screening.

Where departures have to be made from the recommended practices, consideration should be given to the effect of such departures, both on the electromagnetic environment of the aircraft as a whole and the possible degradation or limitation of performance of particular equipments or systems.

Document History

AVP 118: CHAPTER 7
January 1, 1976
Installation of Equipment and Systems (12.76)
Introduction This chapter gives recommendations for the installation in aircraft of equipment and systems, and particularly interconnecting cabling, in order that a reasonable degree of EMC may be...

References

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