Orolia KANNAD 406 AS User manual

DMA176N
TP PAGE: 1
Date of rev. JUN 29/2022
Revision 12
First issue: JUL /1999
Emergency Locator Transmitter
Orolia S.A.S.
INSTALLATION MANUAL
OPERATION MANUAL
KANNAD 406 AS
P/N: S1823502-02 ELT, KANNAD 406 AS (BNC)
P/N: S1823502-03 ELT, KANNAD 406 AS (TNC)
P/N: S1820514-14 WATER SWITCH SENSOR
P/N: S1820511-02 MOUNTING BRACKET, AS
P/N: S1820511-05 MOUNTING BRACKET, AS-PLUS
P/N: S1820511-03 CARRY-OFF BAG, AS
P/N: S1820511-03 CARRY-OFF BAG, Short
© 2022 OROLIA S.A.S. ALL RIGHTS ARE STRICTLY RESERVED.

© 2022 Orolia S.A.S. All rights are strictly reserved.
Users are kindly requested to notify Orolia Customer Support
of any discrepancy, omission or error found in this document.
Please register a support ticket via the Orolia website:
https://www.orolia.com/support/
THIS DOCUMENT IS COPYRIGHT © 2022 OROLIA S.A.S. ALL
RIGHTS ARE STRICTLY RESERVED. THIS DOCUMENT AND ANY
ATTACHED MATERIALS CONTAINS PROPRIETARY AND
CONFIDENTIAL INFORMATION AND DATA AND IS THE SOLE
PROPERTY OF OROLIA S.A.S. THE DOCUMENTS, ANY ATTACHED
MATERIALS AND/OR INFORMATION CONTAINED THEREIN MUST
NOT BE USED, DISSEMINATED, OR DISTRIBUTED EXCEPT FOR THE
AGREED PURPOSE. UNAUTHORIZED USE, REPRODUCTION, OR
ISSUE TO ANY THIRD PARTY IS NOT PERMITTED WITHOUT THE
PRIOR WRITTEN CONSENT OF THE OROLIA GROUP. THIS
DOCUMENT IS TO BE RETURNED TO THE OROLIA GROUP WHEN
THE AGREED PURPOSE IS FULFILLED.

INSTALLATION MANUAL OPERATION MANUAL
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RECORD OF REVISIONS
ROR PAGE: 1
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REV. Nb REVISION DATE INSERTION DATE BY
01
02
03
04 MAR 18/2004
05 JAN 17/2005
06 JUN 27/2005
07 NOV 08/2006
08 FEB 01/2008
09 JUN 23/2008
10 APR 28/2010
11 AUG 30/2012
12 JUN 29/2022

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SUBJECT PAGE DATE
Title Page
TP 1 JUN 29/2022
Record of Revisions
ROR 1 JUN 29/2022
ROR 2 JUN 29/2022
List of Effective Pages
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Table of Contents
TOC 1 JUN 29/2022
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Introduction
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INTRO 2 JUN 29/2022
System Overview
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System Functional Description and Operation
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Installation / Removal
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Check
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Troubleshooting
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Schematics and Diagrams 501 JUN 29/2022
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Servicing
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INSTALLATION MANUAL OPERATION MANUAL
KANNAD 406 AS
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INTRODUCTION
The instructions in this manual provide the information necessary for the
installation and the operation of the KANNAD 406 AS ELT.
Servicing instructions are normally performed by shop personnel.
For servicing and maintenance instructions, refer to CMM 25-63-01.
FOR REGULATORY REQUIREMENTS, PLEASE CONSULT YOUR
NATIONAL AVIATION AUTHORITY.

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INSTALLATION MANUAL OPERATION MANUAL
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TABLE OF CONTENTS
TOC PAGE: 1
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© 2022 Orolia S.A.S. All rights are strictly reserved.
INTRODUCTION 1
SYSTEM OVERVIEW 1
COSPAS-SARSAT System 1
Description 1
World coverage with the COSPAS-SARSAT system 2
Environmental improvements of ELTs 2
KANNAD 406 AS Presentation 3
Design features 5
General 5
Mechanical design 5
SYSTEM FUNCTIONAL DESCRIPTION AND OPERATION 101
Transmitter 101
Controls 101
Working mode information 102
Endurance 102
Technical Specifications 103
Manual Activation 104
Water Switch Activation 105
Reset 106
INSTALLATION / REMOVAL 201
Registration and Programming 201
Pin programming option 202
Installation 203
Installation with Carry-Off Bag 203
Packing instructions 203
Installation with mounting bracket 204
Brackets models 204
Bracket installatioN 205
ELT installation 205
Sealing 207
Removal 208
Deployment from carry-off bag 208
Deployment from mounting bracket 209
CHECK 301
Self-test 301
Periodicity 301
Self-test procedure 301
TROUBLESHOOTING 401
General 401
Faults on Self-test 401
Visual Indicator 401

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3+1 flashes 401
3+2 flashes 401
3+3 flashes 401
3+4 flashes 401
Other faults detected 401
Buzzer 401
Buzzer does not operate 401
Buzzer operates permanently when ELT in ARM mode 401
SCHEMATICS & DIAGRAMS 501
Outline Dimensions 501
Drilling Mask 503
SERVICING 601
Maintenance Schedule 601
Periodic inspection 601
Battery replacement 601
Battery replacement requirements 602

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SYSTEM OVERVIEW
1. COSPAS-SARSAT System
A. Description
Launched in the early eighties by the four founder countries (Canada, France,
Russia, USA), the COSPAS-SARSAT system provides satellite aid to search
and rescue (SAR) operations for maritime, aeronautical and terrestrial vehicles
anywhere in the world.
It uses distress beacons fitted on mobiles and a constellation of LEO and GEO
satellites which relay the 121.5 / 243 MHz signals and process the 406 MHz
signal to ground stations (LUT) where the beacon positions are determined
(with a precision of 10 NM with 121.5 / 243 signals and less than 2 NM with 406
signals).
Several types of beacons are designed to match the various applications of the
COSPAS-SARSAT system:
• EPIRB (Emergency Position Indicating Radio Beacon) for maritime
applications.
• ELT (Emergency Locator Transmitter) for aeronautical applications.
• PLB (Personal Locator Beacon) for land expeditions.
Figure 1: COSPAS-SARSAT System

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B. World coverage with the COSPAS-SARSAT system
The major improvement is the use of the COSPAS-SARSAT system for
processing aeronautical emergencies.
The difference with the 121.5 / 243 MHz is that the 406 MHz transmission
carries digital data which enable the identification of the aircraft in distress and
facilitate SAR operation (type of the aircraft, number of passengers, type of
emergency).
The 406 MHz message is transmitted to the COSPAS-SARSAT satellites. This
message is downloaded to one of the 64 ground stations (44 LEOLUTs and 20
GEOLUTS).
The aircraft is located by Doppler effect by the LEO satellites with a precision
better than 2 NM (4 km) at any point of the earth.
C. Environmental improvements of ELTs
The certification of an ELT includes a range of severe mechanical tests:
• resistance to flame;
• impact and crush tests;
• resistance to shocks;
• watertightness;
• antideflagration;
• extreme temperatures (-20°C to 55°C for more than 48 hours).

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2. KANNAD 406 AS Presentation
The KANNAD 406 AS is composed of:
1. a transmitter;
2. an optional mounting bracket (2a) and locking pin (2b);
3. a float;
4. an auxiliary antenna;
5. a water switch sensor (option);
6. a “Programming Dongle” for pin-programming function (option).
Figure 2: KANNAD 406 AS Presentation with Mounting Bracket AS

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Figure 3: KANNAD 406 AS Presentation with Mounting Bracket AS-PLUS
NOTE: Mounting Bracket AS-PLUS cannot store a programming dongle. The
Hook and Loop Fastener Strap used to retain the ELT is made of BMS8-285
Type IV Class2 material (BMS - BOEING MATERIAL SPECIFICATION), In
addition it is fitted with snaps to secure the fixing method.

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3. Design features
A. General
KANNAD 406 AS is a survival ELT intended to be removed from the aircraft and
used to assist SAR teams in locating survivors of a crash.
KANNAD 406 AS is a standalone equipment equipped with an auxiliary
antenna and activated manually by survivors or automatically by a “Water
Switch Sensor” (optional) when in contact with water.
B. Mechanical design
KANNAD 406 AS is made of moulded plastic with excellent mechanical
resistance (ASA/PC, light yellow colour).
The housing is designed to be easily taken in one hand. A tether is supplied to
tie the ELT to a liferaft.
KANNAD 406 AS is fitted with a floating collar to enable the ELT to float upright
if used in water. This floating collar can be removed if the ELT is attached to a
life-raft or any buoyant part.
IMPORTANT: Unlike all other KANNAD 406 ELTs (automatic), KANNAD
406 AS (survival) is not fitted with a G-Switch (shock detector).
Figure 4: KANNAD 406 AS

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SYSTEM FUNCTIONAL DESCRIPTION AND OPERATION
1. Transmitter
The KANNAD 406 AS is designed to transmit on three frequencies (121.5, 243
and 406 MHz).The two basic aeronautical emergency frequencies (121.5 and
243 MHz) are mainly used for homing in the final stages of the rescue
operations. The 406 MHz frequency is used by the COSPAS-SARSAT
satellites for precise pinpointing and identification of the aircraft in distress.
Once activated, the transmitter operates continuously on 121.5 and 243 MHz.
The output power is 100 mW on each frequency.
The modulation is an audio frequency sweeping downwards from 1420 Hz to
490 Hz with a repetition rate of 3 Hz.
During the 24 first hours of operation, a signal is transmitted on 406 MHz every
50 seconds to the COSPAS-SARSAT satellites. The output power on 406 MHz
is near 5W.
2. Controls
The following controls are to be found on the ELT front panel (from left to right):
1. 3-position switch ARM/OFF/ON;
2. Visual indicator (red);
3. DIN 12 connector for dongle, water switch sensor, or programming
equipment connection;
4. BNC or TNC connector for the antenna.
IMPORTANT: The switches are protected against inadvertent operation
by a locking latch. To operate the switches, the lever shall be pulled to
unlock then set to position.
Figure 101: Front Panel
Ant Arm Off On RC
1
4
2
3

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3. Working mode information
The visual indicator gives an indication on the working mode of the beacon:
• after the self test, a series of short flashes indicates the self test failed, one
long flash indicates that the self test is OK.
• in operating mode, periodic flashes during 121,5 / 243 transmission and
one long flash during every 406 MHz burst (1 every 50 seconds).
A buzzer gives aural information on the working mode of the beacon:
• continuous tone during self test;
• 2 beeps per second during 121.5 / 243 transmission;
• silence during 406 transmission.
4. Endurance
The energy is provided by a battery pack composed of 3 LiMnO2D cells (See
pages 103 & 602 for Kit battery reference).
The endurance of the 121.5/243 transmission is close to 100 hours at -20°C
with new batteries.
In the worse conditions possible, a distress is pinpointed 5.5 hours maximum
after the ELT activation and the position is subsequently updated (if necessary)
every 2 hours.
As it is therefore preferable to keep the battery power for 121.5/243 MHz
homing frequency transmission for the rescue operations, the 406 MHz
transmission is deliberately stopped after 24 hours to extend the 121.5/243
MHz transmission for as long as possible.
The transmitter battery expiry date is fixed at 7 years from date of cell
manufacturing (CDOM). If no activation of the ELT occurs during the battery
lifetime, it shall be replaced before or at battery expiry date(see note below).
NOTE: The expiry date takes into account FAR 91-207 (i.e. batteries to be
replaced when 50 percent of their useful life has expired).
Lithium cells, lithium batteries and equipment containing such
batteries are subjected to regulations and classified under class 9 as
from 1st of January 2003.