OPERATION MANUAL
AF INTEGRA / AF-H INTEGRA ELT
PAGE: 105
JUN 20/2013
the true position in the next 406 MHz burst. If the internal GPS receiver does
not acquire a valid position, then the message will contain the default value
(GPS position not valid).
(2) Installation including a NAV Interface equipment (Dongle IF GPS RS232)
When valid, the position of the internal GPS will always take priority, even if
a Dongle IF GPS RS232 is connected to the GPS equipment of the aircraft
(external GPS):
• If only the internal GPS acquires a valid position, then the message will
contain the true position of the internal GPS in the 406 MHz burst;
• If only the external GPS acquires a valid position, then the message will
contain the true position of the external GPS in the 406 MHz burst;
• If both internal and external GPS acquire a valid position, then the
message will contain the true position of the internal GPS acquire a valid
position;
• If neither the internal GPS, nor the external GPS acquire a valid position,
then the message will contain the default value (GPS position not valid).
According to § 4.5.5.2 of Cospas Sarsat C/S T001, if, after providing valid data,
the navigation input fails or is not available, the beacon message retains the
last valid position for 4 hours (± 5 min) after the last valid position data input.
After 4 hours the encoded position is set to the default values.
F. Autonomy
The energy is provided by a battery pack composed of a LiMnO
2
two-element
battery (See pages page 107 & page 602 for Kit battery reference).
Battery shall be replaced according to the expiriy date indicated on the ELT.
NOTE: ELT Battery useful life: 6 years in service life (ETSO/TSO/COSPAS-
SARSAT margins included).
IMPORTANT: If the ELT has been activated for more than 1 hour, the
battery shall be replaced (See page 602 section 2, Battery replacement
requirements)
With new batteries, the duration of the 121.5 transmission is over 48 hours at
-20°C for INTEGRA ELTs and over 48 hours at -40°C for INTEGRA (ER) ELTs.
As it is therefore preferable to keep the battery power for 121.5 MHz homing
frequency transmission for the rescue operations, in compliance with
COSPAS-SARSAT specifications, the 406 MHz transmission is deliberately
Lithium cells, lithium batteries and equipment containing such
batteries are subjected to regulations and classified under class 9 as
from 1st of January 2003.