STC SR04584CH

EDERAL AVIATI United States of America Department of Transportation Federal Aviation Administration PANISTRATO Supplemental Type Certificate Number: SR04584CH This certificate issued to: McDermott Aviation 214 Holdings, LLC 212 W Troy Street, Suite B Dothan, Alabama 36303 USA Part 29 of the Federal Aviation Regulations.

Original Product H10SW Make: McDermott Aviation 214 Holdings, LLC Type Certificate Number: Model: 214ST Description of Type Design Change:

Installation of a Helitak FT3500 Liquid Dispensing System in an McDermott Aviation 214 Holdings, LLC, 214ST Rotorcraft with FAA approved Master Data List 101-B-FT3500-B214ST Revision (E), dated June 29, 2024, or later FAA or ODA Approved Revision.

1. This STC is applicable to all serial numbers for this Make-Model.

Date of Application: August 29, 2022 Date Reissued: October 24, 2023, September 11, 2024 Date of Issuance: May 1, 2023 Date Amended: September 06, 2024 By Direction of the Administrator Signature:

Dan Trigg, ODA Administrator StandardAero, Springfield, IL Title: ODA-100079-CE This certificate may ba transfened or made avallable to third persons by licensing agreements in accordance with 14 CFR 21.47. The FAA will reissue the certificate in the name of the transferee and forward it to him.

Transfer Endorsement 'Iransfer the ownership of Supplemental Type Certificate Number:

47.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of 4

AVIATION United States of America Department of Transportation Federal Aviation Administration TORLSTRATO Supplemental Type Certificate (Continuation Sheet) Number: SR04584CH Description of Type Design Change: - continued:

FAA Approved Flight Manual Supplement document number PS-FMS-14964, Revision

(2), with approval date of July 10, 2024, or later FAA or ODA Approved Revision is a required part of this modification.

The rotorcraft must be maintained in accordance with FAA Approved Instructions for Continued Airworthiness document number U2-0708 Revision (2) dated August 12, 2024, or later FAA or ODA Approved Revision in addition to the basic rotorcraft maintenance manuals.

Limitations and Conditions: - continued:

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

3. 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.

4. This rotorcraft has not been shown to meet the requirements of the applicable comprehensive and detailed airworthiness code as provided by Annex 8 of the Convention on International Civil Aviation.

5. No passengers are permitted when operating with the refill system deployed.

6. Restricted category rotorcraft may not be operated in a foreign country without the express written approval of that country.

000, or impriscriment not excaeding 3 years, or both. This

(14 CFF 21,47). A transfer must be endorsed as provided on the roverse hereof. A Type Cartificate holder who allows a person to use the Type Certificate to manufacture a new aircraft, aircraft engine, or propeller must provide that person with a written licensing agreement acceptable to the FAA. (Ref. 14 CFR 21.55).

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 3 of 4

EDERAL AVIATION United States of America Department of Transportation Federal Aviation Administration NISTRATIOS Supplemental Type Certificate (Continuation Sheet) Number: SR04584CH Certification Basis:

Based on 14 CFR §§ 21.101, 21.115 and the FAA policy for significant changes in FAA Order 8110.48A, the certification basis for McDermott 214 Holdings LLC, 214ST Rotorcraft for Installation of a Helitak FT3500 Liquid Dispensing System is as follows:

a. The type certification basis for McDermott 214 Holdings LLC, 214ST is shown on TCDS H10SW 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, August 29, 2022, is based upon TCDS H10SW. Based on 14 CFR § 21.101, 21.115 and the FAA policy for significant changes in FAA Order 8110.48A, the certification basis for this modification was determined to be:

Regulations at the amendment level in TCDS H10SW:

29. 1(a, b)[29-39], 29.29(a, b)[29-15], 29.45(a)[29-24], 29.51 (a-c)[29-39],

29.63(а-c)[29-12], 29.65(a)[29-39], 29.75(a-c)[29-39], 29.141(a-c)[29-24],

29.143(a-c)[29-51], 29.171(-)[Original], 29.173(a,b)[29-51], 29.175(a-d)[29-51],

29.177(-)[29-51], 29.235(-)[Original], 29.251(-)[Original], 29.301(a-c)[Original],

29.303(-)[Origina|], 29.305(a)[Original], 29.307(a)[29-30], 29.337(a, b)[29-30],

29.341(-)[Original], 29.561(a-d)[29-38], 29.601(a,b)[Original], 29.603(a-c)[29-17],

29.605(a,b)[29-17], 29.607 (a, b)[29-5], 29.609(a, b)[Original], 29.611(a-c)[Original],

29.613(a-c)[29-30], 29.619(b(1))[Original], 29.625(a-c)[29-42], 29.771(a-c)[29-24],

29.773(a)[29-57], 29.777(a, b)[Original], 29.853(a)[29-17], 29.865(a-c)[29-43];

29.1301(a-d)[Origina|], 29.1309(a-e)[29-53], 29.1322(a-d)[29-12], 29.1351(a)[29-42],

29.1353(a)[29-15], 29.1357(a, c,d)[29-24], 29.1359(b)[29-42], 29.1381 (a,b)[Original],

29.1383(b(1))[Original], 29.1401(a(1), b)[29-11], 29.1501(a, b)[29-15],

29.1503(a,b)[Original], 29.1505(a)[29-24], 29.1519(-)[Original], 29.1523(a-c)[Original],

29.1525(-)[29-24], 29.1529(-)[29-20], 29.1541(a,b)[Original], 29.1555(a)[29-24],

29.1581 (a-d)[29-15], 29.1583(a-f,h)[29-24], 29.1585(a-f)[29-24], 29.1587(a, b)[29-51],

29.1589(-)[Original].

--END This ).

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 4_of_4