# STC SR03310CH - Type: Supplemental type certificate - Status: Current, Issued - Holder: National Aircraft Service Inc, United States - Description: Installation of NASI Air Conditioning Module - Applied: September 6, 2011 - Status date: March 19, 2014 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 29 - Data sheets: [TCDS 1H11](https://openairdocs.org/tcds/1H11), [TCDS H2EA](https://openairdocs.org/tcds/H2EA), [TCDS 1H15](https://openairdocs.org/tcds/1H15) - Certificate PDF: https://openairdocs.org/files/sha256/7e/ad/7ead0bcf5865fb3a51cc1cb1aaab183dde273de66dec8943b78ed94cf6beff16 - Approved model list and other attachments: [AML_SR03310CH.pdf](https://openairdocs.org/files/sha256/40/de/40de1ab950a42db4aa84a57c28a0aa3e7e2817dcdb44962827ddea3de35b0e2f) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B4F24A06E4DBCC7186257CB4004406CB.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR03310CH ## ADs that name it (0) None. ## Approved models (23) - Sikorsky Aircraft S-61L ([TCDS 1H15](https://openairdocs.org/tcds/1H15)) - Sikorsky Aircraft S-61N ([TCDS 1H15](https://openairdocs.org/tcds/1H15)) - Sikorsky Aircraft S-61NM ([TCDS 1H15](https://openairdocs.org/tcds/1H15)) - Sikorsky Aircraft S-61R ([TCDS 1H15](https://openairdocs.org/tcds/1H15)) - Sikorsky Aircraft Corporation S-58A ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58B ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58BT ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58C ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58D ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58DT ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58E ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58ET ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58F ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58FT ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58G ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58H ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58HT ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58J ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-58JT ([TCDS 1H11](https://openairdocs.org/tcds/1H11)) - Sikorsky Aircraft Corporation S-61A ([TCDS H2EA](https://openairdocs.org/tcds/H2EA)) - Sikorsky Aircraft Corporation S-61D ([TCDS H2EA](https://openairdocs.org/tcds/H2EA)) - Sikorsky Aircraft Corporation S-61E ([TCDS H2EA](https://openairdocs.org/tcds/H2EA)) - Sikorsky Aircraft Corporation S-61V ([TCDS H2EA](https://openairdocs.org/tcds/H2EA)) ## What the certificate says Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record. This certificate issued to National Aircraft Service, Inc. (NASI) 9133 Tecumseh-Clinton Rd. Tecumseh, MI 49286 Part * of the * Regulations Original Product--Type Certificate Number : * *See attached FAA Approved Model List (AML) No. SR03310CH for list of approved airplane models and applicable airworthiness regulations. Installation of NASI Air Conditioning Module, in accordance with NASI Installation Instructions as listed on AML No. SR03310CH, or later FAA approved revision. 1. Compatibility of the design change with previously approved modifications must be determined by the installer. 2. A copy of this Certificate and FAA Approved Model List (AML) No. SR03310CH, Revision None, dated March 19, 2014, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft. 3. 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. 4. Airplane Flight Manual Supplement NTEK28AFMS, Revision NC, dated August 8, 2013, or later FAA approved revision, is required on board the modified aircraft. Date of application : September 6, 2011 Date of issuance : March 19, 2014 Date amended : (Signature) Steven L. Lardinois Manager, Systems & Flight Test Branch Chicago Aircraft Certification Office (Title) ### AML_SR03310CH.pdf **FAA APPROVED MODEL LIST (AML) NO. SR03310CH** **NATIONAL AIRCRAFT SERVICE, INC FOR** INSTALLATION OF AN AIR CONDITIONING MODULE Issue Date: March 19, 2014 Page 1 of 1 **ITEM** **AIRCRAFT MAKE** **AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION BASIS FOR** **ALTERATION** **INSTALLATION** **INSTRUCTIONS** **NUMBER, REVISION & DATE** AFM **SUPPLEMENT** **NUMBER/DATE** AML AMENDMENT DATE 1 Sikorsky S-58A, S-58B, S-58C, S-58D, S-58E, S-58F, S-58G, S-58H, S-58J, S-58BT, S-58DT, S- 58ET, S-58FT, S- 58HT, S-58JT 1H11 CAR 6 and Amendments listed in TCDS No. 1H11 NTEK58/61-28 Revision A, dated March 25, 2014 or later FAA approved revision NTEK28AFMS, dated Aug 8, 2013 or later FAA approved revision March 19, 2014 2 Sikorsky Aircraft S-61L, S-61N, S-61R (USAF CH-3C, CH- 3E), S-61NM 1H15 CAR 7 and Amendments listed in TCDS No. 1H15 NTEK58/61-28 Revision A, dated March 25, 2014 or later FAA approved revision NTEK28AFMS, dated Aug 8, 2013 or later FAA approved revision March 19, 2014 3 Sikorsky S-61A (US Nazy SH- 3A, HSS-2), S-61D (US Nazy SH-3D), S- 61E (US Navy RH- 3A), S-61V (US Nazy VH-3A, HSS-22) H2EA See Note NTEK58/61-28 Revision A, dated March 25, 2014 or later FAA approved revision NTEK28AFMS, dated Aug 8, 2013 or later FAA approved revision March 19, 2014 FAA Approved: Steven L. Lardinois Manager, Systems & Flight Test Branch Chicago Aircraft Certification Office Note; Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes in FA A Order 8110.48, the certification basis for the modified Sikorsky Aircraft is as follows: a. The type certification basis for the Sikorsky Aircraft is shown on TCDS H2EA for parts not changed or not affected by this change. b. The certification basis for the parts changed or affected by this change since the reference date of application, August 31, 2009, is based upon part 29 as amended by Amendment 29-53. 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 29-0 through 29 -53 14 CFR §§ 29.601, 29.603, 29.605, 29.607, 29.609, 29.611, 29.613, 29.831, 29.853, 29.1301, 29.1309, 29.1353, 29.1355, 29.1357, 29.1461, 29.1541, 29.1581 ## Every issue (1) - March 19, 2014: Issued, Current. [certificate](https://openairdocs.org/files/sha256/7e/ad/7ead0bcf5865fb3a51cc1cb1aaab183dde273de66dec8943b78ed94cf6beff16), [AML_SR03310CH.pdf](https://openairdocs.org/files/sha256/40/de/40de1ab950a42db4aa84a57c28a0aa3e7e2817dcdb44962827ddea3de35b0e2f) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.