STC SR01552SE

SR01552SE Carson Helicopters, Inc 952 Blooming Glen Road Perkasie, PA 18944 Part 29 Title 14 Code of Federal Regulations H2EA,1H15 Sikorsky S-61A , S-61V, S- 61N

1. Fabrication and installation of an external aerial liquid dispensing tank in accordance with Carson Helicopters, Inc's MDL, CHI-FK-MDL, Revision C dated December 4, 2020 or later approved revision, and ICA, CHI-FK-MM, Revision 3 dated August 25, 2021, or later approved revision.

2. Operation in accordance with Carson Helicopters, Inc's RFMS, CHI-FK-FM-S-61A/V, Revision 0 dated August 27, 2021 or CHI-FK-FM-S61N, Revision 0 dated August 27, 2021, or later approved revisions.

3. Instructions for Continued Airworthiness in accordance with ICA, CHI-FK-MM, Revision 3 dated August 25, 2021, or later approved revision.

(SEE CONTINUATION SHEET) December 14, 2004 August 19, 2013; February 12, 2020 June 3, 2005 June 14, 2007; March 30, 2009;September 1, 2021 Timothy J. Hadsall Acting Manager, New York ACO Branch Compliance and Airworthiness Division Aircraft Certification Service 3

SR01552SE SR01552SE 3

SR01552SE Limitations and Conditions (continued):

1. Airworthiness Limitations described in Chapter 2.2 of Carson Helicopters, Inc's ICA, CHI-FK-MM, Revision 3 dated August 25, 2021, or later approved revision.

2. Operating Limitations described in Section 1.2 of Carson Helicopters, Inc's RFMS, CHI-FK-FM-S61AV, Revision 0 dated August 27, 2021 or CHI-FK-FM-S61N, Revision 0 dated August 27, 2021, or later approved revisions.

3. Copies of this Certificate, FAA approved RFMS and ICA must be maintained as part of the permanent records of the modified helicopter.

4. The helicopter must have Carson Helicopters, Inc's Composite Main Rotor Blade installed per STC SR01585NY and other landing gear and hydraulics modifications as specified in Section 1.2 of Carson Helicopters, Inc's RFMS, CHI-FK-FM-S61A/V, Revision 0 dated August 27, 2021 or CHI-FK-FM-S61N, Revision 0 dated August 27, 2021, or later approved revisions.

5.This modification must be installed on the model helicopters listed above including S-61Ns with or without "50 inch Reduction in Fuselage Length" per STC SH640NE.

6.This approval should not be extended to other rotorcraft of these models on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications,including changes in type design, will introduce no adverse effect upon the airworthiness of that rotorcraft.

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

8. 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.

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