STC ST04469AT

ST04469AT Concorde Battery Corporation 7905 Troon Circle Austell, GA 30168 25 the Federal Aviation Regulations A61NM Gulfstream Aerospace LP G280

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. (See continuation sheet 3) 12/10/2018 03/05/2026 12/06/2019 4 Installation of the Concorde Lead Acid Battery RG-380E to replace the OEM Main Lead Acid Battery per Master Drawing List, 5-0661, Revision C, dated August 16, 2019, or later FAA approved revision.

ST04469AT ST04469AT 4

ST04469AT Limitations and Conditions (cont.):

3. Instructions for Continued Airworthiness (ICA) document 5-0663, Rev. NC, dated November 20, 2018 or later FAA accepted revision must be made available to the operator at the time of installation.

Certification Basis:

Based on 14 CFR 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the Gulfstream G280 series aircraft is as follows:

a. The type certification basis for Gulfstream G280 airplane is shown on TCDS A61NM for parts not changed or not affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of application, December 10, 2018, is based upon part 25 as amended by Amendment 25-122.

Based on 14 CFR 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for this modification was determined to be:

Regulations at the latest amendment 25-0 through 25-122

§ 25.23 § 25.301 § 25.303 § 25.305 § 25.307 § 25.561 § 25.571 § 25.613 § 25.812 § 25.1301 § 25.1309 § 25.1253 § 25.1529

Regulations at an intermediate amendment None

ST04469AT Certification Basis (cont.):

Regulations at the amendment level in TCDS A61NM None

14 CFR Part 26 Regulations Based on 14 CFR 21.101 (g), applicable provision of 14 CFR part 26 are included in the certification basis. For any future 14 CFR part 26 amendments, the holder of this STC must demonstrate compliance with the applicable sections. As of the issuance date of this STC, compliance has been found for the following regulation: 14 CFR 26.11

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