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Instructions  for  Continued 

Airworthiness (ICA),  ETX900-TSO 

Battery 

 
 

FAA Approvals 

 

FAA Office(s) 

Name 

Date 

Signature 

 

 

 

 

 

 

 

 

 

 

 

 

 

Revision Log 

Rev 

Description 

Date 

Approved By: 

New 

Created New 

5/12/2018 

R.Nicoson/B.Olsen 

AML STC Release 

Draft 

R.Nicoson 

Incorporate FAA AEG 

comments. 

7/31/2020 

R.Nicoson 

 

 
 

 

Copyright© 2020 EarthX, Inc. All rights reserved. The information contained in this document is the property of EarthX, Inc. 
EarthX reserves the right to make changes to its documents or products without notice.  It is the responsibility of each user to 

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Summary of Contents for ETX900-TSO

Page 1: ...mments 7 31 2020 R Nicoson Copyright 2020 EarthX Inc All rights reserved The information contained in this document is the property of EarthX Inc EarthX reserves the right to make changes to its docum...

Page 2: ...ttery Charging 7 Battery End of Life 8 Battery Storage and Handling 9 Battery Operation 9 Normal Operation 10 Abnormal Operation 10 Emergency Operation 10 Emergencies with Aircraft Charging System as...

Page 3: ...attery is part of the electrical system as a Secondary function with the Alternator system being Primary in the aircraft electrical system The battery within this system has two subfunctions Starting...

Page 4: ...The capacity demand storage requirement should not exceed 31 Amps for 30 Minutes Timely pilot identification and load shedding assumed per normal procedures An Electrical Load Analysis ELA is require...

Page 5: ...installed according to 14 CFR part 43 or the applicable airworthiness requirements The Airworthiness Limitations section is FAA approved and specifies maintenance required under 43 16 and 91 403 of t...

Page 6: ...ers will be notified of a change to the ICA via the customer s email of record Battery Maintenance Requirements The ETX900 TSO battery is a maintenance free battery with no internal replaceable compon...

Page 7: ...capacity is capable of supporting the aircraft s emergency load for the required amount of time it is consider fit for continued service It is recommended that the article be replaced after 6 years o...

Page 8: ...time the aircraft will not start or the battery seems low or the voltage is less than 13 2 volt charge it for the recommended time and charge rates shown below and disconnect the charger when chargin...

Page 9: ...GPU plug stating the max current allowed Never jump start from a car size battery or larger Never charge a faulty battery a battery that will not accept a charge or hold a charge Never use the de sul...

Page 10: ...nd inspected annually Our batteries can be stored at temperatures between 40 C to 70 C Our batteries have no liquid inside and will not freeze Special care must be taken in the handling shipping and s...

Page 11: ...ing or storage limits of the battery As long as the bus voltage current remains normal this is not an emergency Emergency Operation Emergencies with Aircraft Charging System as Root Cause i If the bat...

Page 12: ...rs and or smoke through vent system and to outside the aircraft Terminology The following table describes the terminology used in this document Ah Amp Hour is a unit of measure of charge that can be s...

Page 13: ...rthX Battery 2 1 190531 35 Ah Battery Box Insert 3 1 11MM12 Amber 12 Volt LED 4 1 200208 Fault Indicator Placard 5 AR Wire Retention Ties Hardware Insulation per AC 43 13 1B Chapter 11 Below is pictur...

Page 14: ...nt Possible Cause Recommended Action Slow Flashing 5s on 5s off 12 8 14 6V Normal Cell to cell charge level imbalance No pilot action is required in flight The pilot should report battery problem to m...

Page 15: ...ischarged Pilot to make preparations to land prior to the battery s reserve capacity being depleted Slow Flashing 5s on 5s off Greater than 15V high charge amps high voltage warning light on Over char...

Page 16: ...E T X T S O L I T H I U M B A T T E R I E S 180426 15...

Page 17: ...E T X T S O L I T H I U M B A T T E R I E S 180426 16...

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