ARTEX PRODUCTS / ACR ELECTRONICS, INC
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
ELT 345 (P/N: A3-06-2880)
Page 14 of 58
25-62-35
TASK 25-62-35-990-805
5.
List of Acronyms, Abbreviations and Definitions
SUBTASK 25-62-35-990-001
Term
Definition
AC
Advisory Circular – Federal Aviation Administration (USA) bulletin with special information.
For the purposes of this document, the acronym AC does not refer to electrical alternating
current.
AWG
American Wire Gauge - An electrical wire diameter standard. Look for this acronym in front
of or following a wire size number.
BNC CONNECTOR
A coax cable connector having 50Ω impedance and used for RF signal connections.
CAR
Canadian Aviation Regulations – The rules and regulations governing the manufacture,
certification, operation, maintenance and alteration of aircraft in Canada.
CFR
Code of Federal Regulations – The general and permanent rules published in the Federal
Register by the executive departments and agencies of the Federal Government. Title 14,
“Aeronautics and Space”, contains the FARs.
CONTAINER
The term “Container”, within the context of this document, refers to a device designed to
suppress RF signals, such that the broadcast of an ELT placed in the container cannot
reach the SAR satellite system.
COSPAS-SARSAT
The international search and rescue consortium, that governs the international
satellite-based search and rescue distress alert detection and information distribution
system. For a complete description, go to the official web site for the International
COSPAS-SARSAT Program,
http://www.cospas-sarsat.int/en/
D-SUB RECEPTACLE
D-type (shaped), subminiature connectors – connector for low voltage/current signals and
electrical currents.
DER
Designated Engineering Representative – An individual qualified and designated by the
FAA to approve, or recommend approval, of technical data to the FAA.
DRIP LOOP
Extra wire length used to form a U-shaped bend in a wire or cable. Water or other fluids will
flow down to the bottom of the loop and drip off. Electrical connections are made at the top
of the loop.
ELT
Emergency Locator Transmitter – ELTs are installed on aircraft and used to send
emergency signals to the SAR satellite system. The word “Beacon” is associated with these
devices.
EMI
Electromagnetic Interference – An undesirable disturbance that affects an electrical circuit
due to either electromagnetic conduction or electromagnetic radiation emitted from an
external source; also called radio frequency interference or RFI.
EUROCAE
European Organization for Civil Aviation Equipment – EUROCAE documents is widely
referenced as a means of compliance to European Technical Standard Orders (ETSOs) and
other regulatory documents.
FAA
Federal Aviation Administration – The United States government agency for aircraft safety
and regulation.
FAR
Federal Aviation Regulations – The rules and regulations governing the manufacture,
certification, operation, maintenance, repair and alteration of aircraft in the United States.
FORM 337
FAA Form 337 is required when a major repair and/or major alteration is performed on an
aircraft. Refer to FAR, Part 43, Appendix A and the definitions of Major Repair/Alteration
contained in FAR, Part 1, for guidance.
