Ameri-King AK-451-ELT User Manual

Page 93

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93

II MORROW:
• FLYBUDDY, 2001 NMS
TRIMBLE NAV INC.:
• NAV 1000, NAV 2000, TNL 2100, and TNL3100. The following Trimble systems
all require a RS-422 to RS-232 adapter: NAV 3000, TNL 1000, TNL 2000, TNL
2000A, TNL 3000, 2000 APPROACH, 2000 APPROACH PLUS, 2101
APPROACH, 2101 APPROACH PLUS, 2101 I/O APPROACH, 2101 I/O
APPROACH PLUS.

For other equipment models contact that equipment manufacturer to determine if their
equipment supports the Aviation RS-232 format specified above.

3.4.10.3

ELT/FMC Interface and Checkout Process


All installation processes and interconnections to navigation systems should adhere to
the guidelines set forth in the FAA Advisory Circulars 43.13-2B, 20-130A and 20-
138, or later revisions of these documents. It is very important that the Global
Positioning System/Flight Management Computer (GPS/FMC) manufacturer's
installation instructions be consulted regarding installation details that may be specific
to the GPS/FMC. Refer to the installation instructions specific to the GPS/FMC that
you are connecting the ELT for specific instructions.
For all testing of the 406 MHz output, only the "test message" that is transmitted at
turn off is required to verify the ELT and ELT/GPS Interface function.

Note: It is extremely important that the ELT/GPS Interface installation not be in
conflict with the GPS/FMC manufacturer's installation instructions in order to avoid
an installation that may degrade the GPS/FMC performance. As a result, the Post
Installation

checkout

in

the

GPS/

FMC Installation Manual may be followed after installing the ELT.

3.4.10.4

24-Bit Address Installation Test (mandatory for Installations
reprogramming by Ameri-King’s authorized dealer):


Verify the 24 Bit Address by using the ELT Computer Test Set TS-451 or equivalent.
The 15 digit hex code shall be extracted by using the Computer Test Set or
equivalent. Realize that the AK-451 transmits a 406 MHz test message, which is
encoded such that it will be ignored by the SAR satellite system. This 15-digit
number is used to register the ELT with the appropriate 406 MHz ELT registration
authority. In the US, the National Oceanic and Atmospheric Administration (NOAA)
maintains the database of registered ELT's.

Note: Although a typical 15 digit hex code can contain position data, the 15-digit

ID used for registration purposes shall contain the "default' value of no
position data instead (this is indicated by the last 5 digits of the 15 digit
hex code being "FFBFF").

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