RE: EMC and Safety of equipment used in aircraft

1999-11-11 Thread Munford, Stefen

There is a web site for RTCA which lists the current revisions and the
prices,
http://www.rtca.org/nonmember/
from just checking the site, the latest revision is DO-160D.


Stefen J. Munford
EMC Engineer

Gateway Regulatory/Compliance
610 Gateway drive MD Y-03
N. Sioux City, SD 57049

Phone - 605.232.2230 x 26773
FAX - 605.232.2814 
e-mail stefen.munf...@gateway.com
e-mail2 munfo...@gateway.com


-Original Message-
From: Robert Macy [mailto:m...@california.com]
Sent: Wednesday, November 10, 1999 11:25 AM
To: duncan.ho...@snellwilcox.com; emc-p...@majordomo.ieee.org
Subject: Re: EMC and Safety of equipment used in aircraft



Take a look at Radio Technical Commission for Aeronautics (RTCA) Document
No. DO-160B, Environmental Conditions and Test Procedures for Airborne
Equipment

The copy I have is dated July 20, 1984 Wow time flies!

The cover page is ISO 7137 if that's any help.

Basically, RTCA/DO-160 is about 1 inch thick of graphs, charts,
requirements, test setups, etc for equipment that goes airborne.

Most of what I saw was electrical, but I'm sure there's environmental in
there, too.

 - Robert -

AJM Electronics408 286 3985
619 North First Stfax 408 297 9121
San Jose, CA  95112 m...@california.com


-Original Message-
From: duncan.ho...@snellwilcox.com duncan.ho...@snellwilcox.com
To: emc-p...@majordomo.ieee.org emc-p...@majordomo.ieee.org
List-Post: emc-pstc@listserv.ieee.org
Date: Wednesday, November 10, 1999 8:49 AM
Subject: EMC and Safety of equipment used in aircraft



Group,
What safety and EMC standards would I have to consider for a piece of
equipment initially intended for use in a TV studio, but that is requested
to be
able to be used in a helecopter or plane? I am also interested in what
other
requirements and standards there may be for shock and vibration, temperture
and
humidity and for acoustic noise in such an application. I am also sure that
the
creepage and clearance distances in the product safety standards do not
hold
true at elevated altitudes so what happens here?
any info would be greatly recieved.
Regards,
Duncan.





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Re: EMC and Safety of equipment used in aircraft

1999-11-10 Thread Ken Javor

For commercial aircraft usage, the current revision of RTCA/DO-160 would be
a natural place to start.

--
From: duncan.ho...@snellwilcox.com
To: emc-p...@majordomo.ieee.org
Subject: EMC and Safety of equipment used in aircraft
Date: Wed, Nov 10, 1999, 7:14 AM



 Group,
 What safety and EMC standards would I have to consider for a piece of
 equipment initially intended for use in a TV studio, but that is requested to
be
 able to be used in a helecopter or plane? I am also interested in what other
 requirements and standards there may be for shock and vibration, temperture
and
 humidity and for acoustic noise in such an application. I am also sure that
the
 creepage and clearance distances in the product safety standards do not hold
 true at elevated altitudes so what happens here?
 any info would be greatly recieved.
 Regards,
 Duncan.


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RE: EMC and Safety of equipment used in aircraft

1999-11-10 Thread Kehs, John

The current revision is RTCA/DO-160D, July 29, 1997.  The phone number for
RTCA publications is 202-833-9339, or vrobe...@rtca.org.

 

 -Original Message-
 From: Ken Javor [SMTP:ken.ja...@emccompliance.com]
 Sent: Wednesday, November 10, 1999 5:40 PM
 To:   duncan.ho...@snellwilcox.com; emc-p...@majordomo.ieee.org
 Subject:  Re: EMC and Safety of equipment used in aircraft
 
 
 For commercial aircraft usage, the current revision of RTCA/DO-160 would
 be
 a natural place to start.
 
 --
 From: duncan.ho...@snellwilcox.com
 To: emc-p...@majordomo.ieee.org
 Subject: EMC and Safety of equipment used in aircraft
 Date: Wed, Nov 10, 1999, 7:14 AM
 
 
 
  Group,
  What safety and EMC standards would I have to consider for a piece
 of
  equipment initially intended for use in a TV studio, but that is
 requested to
 be
  able to be used in a helecopter or plane? I am also interested in what
 other
  requirements and standards there may be for shock and vibration,
 temperture
 and
  humidity and for acoustic noise in such an application. I am also sure
 that
 the
  creepage and clearance distances in the product safety standards do not
 hold
  true at elevated altitudes so what happens here?
  any info would be greatly recieved.
  Regards,
  Duncan.
 
 
  -
  This message is coming from the emc-pstc discussion list.
  To cancel your subscription, send mail to majord...@ieee.org
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  quotes).  For help, send mail to ed.pr...@cubic.com,
  jim_bac...@monarch.com, ri...@sdd.hp.com, or
  roger.volgst...@compaq.com (the list administrators).
 
  
 
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Re: EMC and Safety of equipment used in aircraft

1999-11-10 Thread Robert Macy

Take a look at Radio Technical Commission for Aeronautics (RTCA) Document
No. DO-160B, Environmental Conditions and Test Procedures for Airborne
Equipment

The copy I have is dated July 20, 1984 Wow time flies!

The cover page is ISO 7137 if that's any help.

Basically, RTCA/DO-160 is about 1 inch thick of graphs, charts,
requirements, test setups, etc for equipment that goes airborne.

Most of what I saw was electrical, but I'm sure there's environmental in
there, too.

 - Robert -

AJM Electronics408 286 3985
619 North First Stfax 408 297 9121
San Jose, CA  95112 m...@california.com


-Original Message-
From: duncan.ho...@snellwilcox.com duncan.ho...@snellwilcox.com
To: emc-p...@majordomo.ieee.org emc-p...@majordomo.ieee.org
List-Post: emc-pstc@listserv.ieee.org
Date: Wednesday, November 10, 1999 8:49 AM
Subject: EMC and Safety of equipment used in aircraft



Group,
What safety and EMC standards would I have to consider for a piece of
equipment initially intended for use in a TV studio, but that is requested
to be
able to be used in a helecopter or plane? I am also interested in what
other
requirements and standards there may be for shock and vibration, temperture
and
humidity and for acoustic noise in such an application. I am also sure that
the
creepage and clearance distances in the product safety standards do not
hold
true at elevated altitudes so what happens here?
any info would be greatly recieved.
Regards,
Duncan.





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Re: EMC and Safety of equipment used in aircraft

1999-11-10 Thread georgea

Something you may wish to consider.  Some years ago the U.S.
army and navy both contracted for similar helicopters, but to
separate specs.  The army version was the blackhawk, as I
recall.

The navy version was required to be far more immune to EMI,
as the navy was well aware of EMI problems due to their
experiences with severe EMI congestion of shipboard electronics.
Namely lots of emitters and receivers within a small area.

The army spec was less rigorous in this regard.  As a result,
the army version could, and did ocassionally, crash due to
the EMI from a mere TV or radio tower in the vicinity.

MORAL:  Beware of EMI from devices operated within commercial
aircraft, whose EMS is far worse than aircraft designed for
military battle conditions.

George Alspaugh
Lexmark International Inc.




duncan.hobbs%snellwilcox@interlock.lexmark.com on 11/10/99 10:14:59 AM

Please respond to duncan.hobbs%snellwilcox@interlock.lexmark.com

To:   emc-pstc%majordomo.ieee@interlock.lexmark.com
cc:(bcc: George Alspaugh/Lex/Lexmark)
Subject:  EMC and Safety of equipment used in aircraft




Group,
What safety and EMC standards would I have to consider for a piece of
equipment initially intended for use in a TV studio, but that is requested to be
able to be used in a helecopter or plane? I am also interested in what other
requirements and standards there may be for shock and vibration, temperture and
humidity and for acoustic noise in such an application. I am also sure that the
creepage and clearance distances in the product safety standards do not hold
true at elevated altitudes so what happens here?
any info would be greatly recieved.
Regards, Duncan.




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