STC ST12334AT

ST12334AT Southern Aviation Parts & Services (SAPS) 123 Westside Blvd.

Pooler, GA 31322 Part 25 Title 14, Code of Federal Regulations A12EA Gulfstream Aerospace Corporation GV-SP FAA STC ST03399AT must be accomplished concurrently with, or prior to, this STC. The SAPS Instructions for Continued Airworthiness, SMG12005, Revision NC, dated March 5, 2025 or later FAA accepted revision, must be made available to the operator at the time of installation.

(Limitations and Conditions continued on page 3 of 3) 06/21/2023 03/13/2026 (for) Michael P. Linegang Manager, East Certification Branch 4 Cabin interior installation in accordance with FAA approved Southern Aviation Parts & Services (SAPS) Master Drawing List SMG12000, Revision B, dated Febuary 12, 2026; or later FAA approved revision.

ST12334AT 4

ST12334AT Limitations and Conditions: (continued)

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

If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

A copy of this STC must be included in the permanent record of the modified aircraft.

Certification Basis:

Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for design changes that are identified as not significant in FAA Order 8110.48A, the certification basis for the Gulfstream Aerospace Corporation model aircraft GV-SP is as follows:

a. The type certification basis for parts not changed or not affected by the change, for the Gulfstream Aerospace Corporation GV-SP, is shown on TCDS A12EA.

b. The certification basis for parts changed or affected by the change since the reference date of application, June 21, 2023, is based upon Part 25 as amended by Amendment 25-148. Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for non-significant changes in FAA Order 8110.48A, the certification basis for this modification was determined to be:

Regulations at the latest amendment 25-1 through 25-148: None.

Regulations at an intermediate amendment: 25.856(a)

Regulations at the amendment level in TCDS A12EA for the Model GV-SP:

25.1, 25.29, 25.301, 25.303, 25.305(a)(b)(c), 25.307(a), 25.365(e)(f)(g), 25.561, 25.562(a)(b)(c)

(1)(2)(3)(4)(7)(8), 25.601, 25.603, 25.605(a), 25.609(a), 25.611, 25.613(a)(b)(c), 25.619, 3 4 Add Page

ST12334AT Certification Basis: (continued)

25.625, 25.783(j), 25.785(a)(b)(c)(d)(f)(1)(3)(i)(j)(k), 25.787(a)(b), 25.789(a), 25.791, 25.793,

25.803(a), 25.809(b)(c), 25.810(c), 25.811(a)(b)(c)(d)(e)(1)(f)(g), 25.812(a)(1)(b)(2)(c)(d)(e)(i)

(j)(k)(l), 25.813(a)(c)(2)(ii)(d)(e)(f), 25.815, 25.817, 25.851(a)(1)(2)(3)(5), 25.853(a)(c)(f)(g)

(h), 25.855(d)(g), 25.856(a), 25.869(c), 25.1301, 25.1309(a), 25.1351(a), 25.1353(a), 25.1357(a)

(c), 25.1411(a)(b)(d)(e)(f)(g), 25.1415(a)(b)(c)(d), 25.1423(c), 25.1431(c), 25.1439(a), 25.1447

(a)(c), 25.1455, 25.1529, 25.1541, 25.1557(a)(c)(d), 25.1561.

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