Manual
25-62-10
Page 21 of 90
JUL 31/12
ACR ELECTRONICS, INC / ARTEX PRODUCTS
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
C406-1 (453-5002), C406-1HM (453-5003)
TASK 25-62-10-990-805
5. List of Acronyms, Abbreviations, and Definitions
SUBTASK 25-62-10-990-001
Term
Definition
AC Advisory Circular – A Federal Aviation Administration (USA) bulletin 
with special information. For the purposes of this document, the acro-
nym 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 very common type of coax cable connector having a 50  imped-
ance 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 pub-
lished 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.
DER Designated Engineering Representative – An individual qualified and 
designated by the FAA to approve, or recommend approval, of tech-
nical 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.










