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Enstrom TH-28/480 Series Maintenance Manual Supplement 8
G1000H Integrated Flight Deck System
Rev. 1, Jan 25/18
Page 4-2
SECTION 2
AIRWORTHINESS LIMITATIONS
4.2
Airworthiness Limitations
The Airworthiness Limitations Section is FAA approved and specifies inspections and other
maintenance required under 14 CFR §§ 43.16 and 91.403 of the Federal Aviation Regulations
unless an alternative program has been FAA approved.
4.2.1
Retirement Life
The battery module is rated for an estimated life of six (6) years. Extreme temperature,
repeated full-depth discharges or other abuse may reduce battery life.
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