STC SR04557AT

SR04557AT Helifab East, LLC 602 Sevier St. Unit 300 Johnson City, TN 37604-7561 Part 27 Federal Aviation Regulations H7EU Leonardo S.p.A.

(See Limitations and Conditions below) Cabin and crew floor protector installations in accordance with FAA approved Helifab East, LLC Master Document List HFE-MDL-26-1, Revision A, dated December 28, 2022; or later FAA approved revision.

Models: A109, A109A, A109A II, A109C, A109K2, A109E, A119, A109S, AW119 MKII, AW109SP

(Limitations and Conditions continued on page 3 of 4) June 23, 2022 March 17, 2023

(for) Robert P. Capazzuto Acting Manager, Atlanta ACO Branch 4

SR04557AT 4

SR04557AT 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.

The Helifab East, LLC Instructions for Continued Airworthiness, HFE-CA-26-1, Revision IR, dated July 9, 2020, 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 design changes that are identified as not significant in FAA Order 8110.48A, the certification basis for the Leonardo S.p.A. rotorcraft listed on page 1 of this certificate is as follows:

a. The type certification basis for parts not changed or not affected by the change is shown on TCDS H7EU.

b. The certification basis for parts changed or affected by the change since the reference date of application, June 23, 2022, is based upon part 27 as amended by Amendment 27-50. 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: (Certification Basis Continued on Page 4 of 4) 3 4

SR04557AT

(Certification Basis Continued)

Regulations at the latest amendment 27-1 through 27-50:

None

Regulations at an intermediate amendment:

None

Regulations at the amendment level in TCDS H7EU for the model AW119 MKII*:

27.29(b), 27.301, 27.303, 27.305, 27.337, 27.601(a), 27.603, 27.605(a), 27.609,

27.611, 27.613, 27.619, 27.625(a)(b)(c), 27.853(a)(b), 27.1529.

* For all models, other than the model AW119 MKII, listed on page 1 of this certificate, some of these regulations constitute a later amendment level than those listed on the applicable TCDS (H7EU).

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