8-21-13 EASA ESTC for Single & Dual Lead Acid Battery Installation onEurocopter AS350 B, BA, B1, B2 & B3
West Covina, CA - Concorde is pleased to announce that Airlift AS of Norway has
received EASA approval for ESTC 10044362 allowing for single and dual battery installations
of Concorde’s Sealed Lead Acid RG-350 or RG-355 battery on Eurocopter AS350B, -BA, -B1,
-B2 and B3 models. The ESTC is now available through Concorde Battery Corporation’s
worldwide network of distributors.
Many cold weather and high cyclic operators have requested a Lead Acid option for use in
Europe and Airlift has fulfilled this request with Concorde batteries. For conversions on a
single battery installation ESTC 10044362 replaces the main 15 Ah nickel-cadmium battery
with either the Concorde RG-350 or the RG-355 17 Ah Lead Acid batteries. If the aircraft has
been modified with Eurocopter Service Bulletin 24.00.01 (starting in very cold weather) Airlift’s
ESTC allows for the replacement of both Nickel-Cadmium batteries with Concorde RG-350
RG-350 and RG-355 are TSO authorized and as such, have passed rigorous TSO C-173 testing for duty cycle, electrical
performance, temperature extremes, shock/vibration and environmental requirements. Concorde’s valve regulated lead
acid (VRLA) recombinant gas (RG®) absorbed glass mat (AGM) technology has been proven as reliable, durable and safe
for over 30 years. Superior performance can be attributed to unique design features such as proprietary PolyGuard®
separators (an additional layer of protection against shorting, unique to Concorde) robust plate construction, over the cell
wall intercell connections for reduced internal resistance and a commitment to quality standards.
The advantages of converting from nickel-cadmium to Concorde’s RG® Series batteries include lower cost of acquisition,
zero maintenance and reduced battery costs per flight hour. Concorde batteries do not require deep cycling to remove the
“memory effects” seen in nickel-cadmium batteries, do not require water or electrolyte replenishment and have no risk of
thermal runaway. With the benefit of RG® Series batteries shipping Hazmat Exempt, transportation is more cost effective
regardless of whether shipping by land, sea or air.
Airlift AS, based at Forde Airport in Bygstad, Norway, is the largest North European domestic helicopter company and the
sole Norwegian government contractor for search and rescue. The company is part of the Blueway Group and operates
16 of the group’s helicopters.
In addition to performing design and maintenance on its own helicopters, Airlift has also offered design, installation and
maintenance services to other helicopter companies for over 20 years. Airlift AS is holder of an EASA Part 21 Subpart J
approval as Design Organization (DOA). This includes approval of design changes related to avionics, electrical and
interiors as well as changes and minor repairs related to aircraft structure.
For more information about Airlift AS visit www.airlift.no and www.airlift-doa.com.
Concorde designs and manufactures over 90 models of Original Equipment and direct replacement batteries for fixed
wing and rotary aircraft and has a reputation for designing application specific solutions. Concorde batteries are installed
as original Equipment by the majority of aircraft manufactures and adopted by military aircraft operators worldwide.
Manufacturing safe, durable and reliable Military and Commercial TSO, FAA-PMA and OEM certified aircraft batteries in
the U.S.A. for over 30 years.
ISO 9001 + AS9100
For more information about this release please contact Customer Service at Concorde Battery. Call 626-813-1234 or email customerservice@
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