In the USA, most commercial aircraft systems are required to meet
RTCA/DO-160D.  "Environmental Conditions and Test Procedures for Airborne
Equipment"  (RTCA = Radio Technical Commission for Aeronautics).  Both
emissions and susceptibility are covered in this document.  

RTCA's web site:

http://www.rtca.org./

Certainly, you could check with potential customers (airframers),
governmental agencies (USA = FAA) and others...

Good luck,

Daren A. Nerad
EMC Engineer
815.226.6123


-----Original Message-----
From: Nick Williams [mailto:nick.willi...@conformance.co.uk]
Sent: Thursday, February 08, 2001 9:55 AM
To: emc-p...@majordomo.ieee.org
Subject: EMC and CE mark for aircraft equipment



I've been asked to look at the requirements for an intercom system 
intended for use in aircraft. The system is wired (i.e. no radio 
link) and is self contained although it can also interface to the 
flight radio so that the pilot can talk to air traffic control.

I am aware that there is an exclusion within the EMC directive for 
equipment specifically approved for aircraft in flight (since this is 
covered by other international agreements). However, so far as I can 
see if the apparatus has not been approved to this requirement it 
will need to be CE marked. Where I am uncertain is to know whether 
there are any other rules which cover equipment for use in 
non-commercial aircraft which are in additional to or at odds with 
the requirements for CE marking.

All pointers would be gratefully received. I am primarily interested 
in the European/CE marking angle, but guidance on the rules for 
elsewhere in the world would be both interesting and useful.

Regards

Nick.


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