Released – March 2, 2009 ADR Florida, Inc. Lithium Battery Use in Electronic Flight Bags
About ADR Florida ADR is a 19 year old technology company headquartered in Boca Raton, Florida with support facilities in Rochester Hills, Michigan.. ADR has fielded over 9000 EFBs in business aircraft, military and transport level aircraft. The company currently provides EFBs to several aircraft OEMs and large flight departments around the world. It also provides software services enabling customers to realize the true potential of their EFB. www.adrsoft.com
Overview The purpose of this document is to clarify any regulatory requirements or prohibitions regarding the use of lithium batteries with an EFB. As technologies change, so too must the guidance from the FAA to ensure safer operation of in-flight equipment. Draft Memorandum from FAA In early February 2009 a draft memorandum from the AED was issued for public comment. This memorandum is not a binding policy document. It is a draft of policy that will likely be refined and included in the Advisory Circular that is currently being prepared. The FAA issued this memorandum to give operators and manufacturers alike a “heads-up” of forthcoming guidance. Concerns Resulting from the Draft Memorandum Utilization of aircraft power for Class 1 EFBs - Class 1 EFBs are defined as portable COTS devices that are not attached to the aircraft but can be used in critical phase of flight if secured (e.g., kneeboard). These devices do not require TC or STC approval. - Class 1 EFB Power Source is defined as aircraft power being used to recharge the EFB battery during flight. Special Considerations Regarding Lithium Batteries - Paragraph 1.2 of the memorandum states: “An aircraft electrical power source may provide power to Class 1 & 2 EFB systems with lithium batteries.” - Also stated: “A means (other than a circuit breaker) for the flight crew to de-power the EFB power source or system charger is recommended.” -- This is easily accomplished by unplugging the power cord from the EFB. Testing Requirements - Only Class 2 EFB lithium battery systems are mentioned in the memorandum as requiring DO-311 testing. -- The majority of lithium batteries used in EFBs do not meet the lithium content threshold to require testing. -- If the lithium battery in use is UL approved it will likely meet the DO-311 standards. Summary There are no special requirements to utilize lithium powered Class 1 EFBs at this time. Certain awareness and precautions should be taken due to the volatility of the lithium chemistry in these batteries. The bulk of the guidance contained the draft memorandum is aimed at Class 2 EFB installations that require TC or STC approval. Disclaimer This document is not intended as official guidance or policy and has not been reviewed or approved by the FAA. Please contact your local FAA representative for further clarification and official guidance regarding the use of lithium batteries in your aircraft.
For more information regarding the safe and legal implementation of EFB technology in your aircraft, please contact ADR Florida directly. Phone: 509.624.3823 E-Mail: schmidt@adrsoft.com
飞行翻译公司 www.aviation.cn 本文链接地址：锂电池在电子飞行包中的使用 Lithium Battery Use in Electronic Flight Bags Lithium Ion Battery White Paper.pdf
About ADR Florida ADR is a 19 year old technology company headquartered in Boca Raton, Florida with support facilities in Rochester Hills, Michigan.. ADR has fielded over 9000 EFBs in business aircraft, military and transport level aircraft. The company currently provides EFBs to several aircraft OEMs and large flight departments around the world. It also provides software services enabling customers to realize the true potential of their EFB. www.adrsoft.com
Overview The purpose of this document is to clarify any regulatory requirements or prohibitions regarding the use of lithium batteries with an EFB. As technologies change, so too must the guidance from the FAA to ensure safer operation of in-flight equipment. Draft Memorandum from FAA In early February 2009 a draft memorandum from the AED was issued for public comment. This memorandum is not a binding policy document. It is a draft of policy that will likely be refined and included in the Advisory Circular that is currently being prepared. The FAA issued this memorandum to give operators and manufacturers alike a “heads-up” of forthcoming guidance. Concerns Resulting from the Draft Memorandum Utilization of aircraft power for Class 1 EFBs - Class 1 EFBs are defined as portable COTS devices that are not attached to the aircraft but can be used in critical phase of flight if secured (e.g., kneeboard). These devices do not require TC or STC approval. - Class 1 EFB Power Source is defined as aircraft power being used to recharge the EFB battery during flight. Special Considerations Regarding Lithium Batteries - Paragraph 1.2 of the memorandum states: “An aircraft electrical power source may provide power to Class 1 & 2 EFB systems with lithium batteries.” - Also stated: “A means (other than a circuit breaker) for the flight crew to de-power the EFB power source or system charger is recommended.” -- This is easily accomplished by unplugging the power cord from the EFB. Testing Requirements - Only Class 2 EFB lithium battery systems are mentioned in the memorandum as requiring DO-311 testing. -- The majority of lithium batteries used in EFBs do not meet the lithium content threshold to require testing. -- If the lithium battery in use is UL approved it will likely meet the DO-311 standards. Summary There are no special requirements to utilize lithium powered Class 1 EFBs at this time. Certain awareness and precautions should be taken due to the volatility of the lithium chemistry in these batteries. The bulk of the guidance contained the draft memorandum is aimed at Class 2 EFB installations that require TC or STC approval. Disclaimer This document is not intended as official guidance or policy and has not been reviewed or approved by the FAA. Please contact your local FAA representative for further clarification and official guidance regarding the use of lithium batteries in your aircraft.
For more information regarding the safe and legal implementation of EFB technology in your aircraft, please contact ADR Florida directly. Phone: 509.624.3823 E-Mail: schmidt@adrsoft.com
飞行翻译公司 www.aviation.cn 本文链接地址：锂电池在电子飞行包中的使用 Lithium Battery Use in Electronic Flight Bags Lithium Ion Battery White Paper.pdf
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