# STC SR00074DE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Paravion Technology Inc, United States
- Description: Installation of tailrotor drive shaft driven Air Conditioning System
- Applied: October 29, 1993
- Status date: June 3, 2021
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/f3/41/f341d8d71966815b31178726e776206e6f8ce31f603288a29053bd339e3fc5aa
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/248E4142326307F5862586EA006FFB8E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00074DE

## ADs that name it (0)

None.

## Approved models (6)

- Bell Helicopter Textron Canada Limited 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206L ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206L-1 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206L-3 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206L-4 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))

## 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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate SR00074DENumber:

This certificate issued to: Paravion Technology, Inc.

2001 Airway Avenue Fort Collins, CO 80524 BB__.

Make:Original Product BellH2SW7\SH&HUWLILFDWH1XPEHU Model: 206A, B, L, L-1, L-3, L-4 Description of Type Design Change:

1. Installation of tailrotor drive shaft driven Air Conditioning System in accordance with FAA approved Paravion Technology, Inc. Master Drawing List No. DL-206AC-110, Revision S, dated September 18, 2020

2. Instructions for Continued Airworthiness (ICA), Document No. PR-206AC-120M, Revision 3, dated February 4, 2021, or later FAA accepted revision is required for this installation.

3. Operation must be in accordance with Rotorcraft Flight Manual Supplement, document number PR-206AC-110M, Revision 2, dated March 1, 2021, or later FAA approved revision.

1. Approval of this change in type design applies to the model of rotorcraft listed above only.

2. This STC is applicable to all serial numbers for these Make/Models.

October 29, 1993Date of Application: Date Reissued:

Date of Issuance: January 11, 1994 Date Amended: June 3, 2021 By Direction of the Administrator Signature:

Digitally signed by SUSAN L

MCCORMICK Date: 2021.06.03 19:02:54 -06'00' Susan McCormick Manager, Denver ACO Branch Title: Compliance and Airworthiness Division $Q\DOWHUDWLRQRIWKLVFHUWLILFDWHLVSXQLVKDEOHE\DILQHRIQRWH[FHHGLQJRULPSULVRQPHQWQRWH[FHHGLQJ\HDUVRUERWK7KLVFHUWLILFDWHPD\EHWUDQVIHUUHGRUPDGH DYDLODEOHWRWKLUGSHUVRQVE\OLFHQVLQJDJUHHPHQWVLQDFFRUGDQFHZLWK&)53RVVHVVLRQRIWKLV6XSSOHPHQWDO7\SH&HUWLILFDWH 67& GRFXPHQWE\SHUVRQVRWKHUWKDQ WKH67&KROGHUGRHVQRWFRQVWLWXWHULJKWVWRWKHGHVLJQGDWDQRUWRDOWHUDQDLUFUDIWDLUFUDIWHQJLQHRUSURSHOOHU7KH67&¶VVXSSRUWLQJGRFXPHQWDWLRQ GUDZLQJVLQVWUXFWLRQV SURSHOOHUPXVWSURYLGHWKDWSHUVRQZLWKZULWWHQSHUPLVVLRQDFFHSWDEOHWRWKH)$$ 5HI&)5   )$$)RUP  683(56('(635(9,286(',7,21 3DJHRIBBB 3

I United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate SR00074DENumber:

Date oI transfer:

$Q\DOWHUDWLRQRIWKLVFHUWLILFDWHLVSXQLVKDEOHE\DILQHRIQRWH[FHHGLQJRULPSULVRQPHQWQRWH[FHHGLQJ\HDUVRUERWK7KLVFHUWLILFDWHPD\EHWUDQVIHUUHGRUPDGH DYDLODEOHWRWKLUGSHUVRQVE\OLFHQVLQJDJUHHPHQWVLQDFFRUGDQFHZLWK&)53RVVHVVLRQRIWKLV6XSSOHPHQWDO7\SH&HUWLILFDWH 67& GRFXPHQWE\SHUVRQVRWKHUWKDQ WKH67&KROGHUGRHVQRWFRQVWLWXWHULJKWVWRWKHGHVLJQGDWDQRUWRDOWHUDQDLUFUDIWDLUFUDIWHQJLQHRUSURSHOOHU7KH67&’s supporting documentation (drawings, instructions, SURSHOOHUPXVWSURYLGHWKDWSHUVRQZLWKZULWWHQSHUPLVVLRQDFFHSWDEOHWRWKH)$$ 5HI&)5   )$$)RUP  683(56('(635(9,286(',7,21 3DJHRIBBB 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SR00074DE Limitations and Conditions Continued:

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

4. 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.

5. A copy of this certificate and the appropriate Flight Manual Supplement as listed above must be maintained as a part of the permanent record for the altered aircraft.

6. Certification Basis:

For components and areas not affected by the change, the original certification basis as shown on TCDS H2SW, Revision 50.

For components and areas affected by the change, based on Title 14 Code of Federal Regulations Sections 21.115 and 21.101, and FAA Order 8110.48, the type certification basis due to this modification is the original certification basis for the Model Bell 206A, 206B, 206L, 206L1, 206L3, and 206L4 shown on TCDS H2SW, Revision 50, plus 14 CFR part 27, effective February 1, 1965, including Amendments 27-1 through 27-37 as follows:

§§ 27.1(b) at 27-0, 27.21(a)(b) at 27-21, 27.25(a) at 27-14, 27.27(b) at 27-2, 27.301(a)

(b)(c) at 27-0, 27.303 at 27-0, 27.305(a) at 27-0, 27.307(a) at 27-26, 27.321(a) at 27-11, 27.337(a) at 27-26, 27.561(a)(b)(c)(d) at 27-30, 27.601(a) at 27-0, 27.603(a)(b)

(c) at 27-16, 27.605(a) at 27-16, 27.607(a) at 27-4, 27.609(a) at 27-0, 27.613(a)(b)(c)

(d) at 27-26, 27.619(a)(b) at 27-0, 27.625(a)(b)(c) at 27-0, 27.853(a) at 27-17, 27.1301

(d) at 27-0, 27.1351(a)(b)(1)(i) at 27-13, 27.1357(a)(c) at 27-13, 27.1365(a)(b) at 27-35,

27.1435(b) at 27-0, 27.1529 at 27-18, 27.1581(b)(c) at 27-14, 27.1583(a)(c)(d)(e)(g) at 27-16, 27.1585(a) at 27-21, 27.1587(b) at 27-21.

Part 27, Appendix A, A27.1(a)(b)(c) at 27-18, A27.2(a)(b) at 27-18, A27.3(a)(b)(c)(d)(e)

(f)(g) at 27-18, A27.4 at 27-24.

Regulations at a later amendment than specified in TCDS H2SW:

§ 27.1309(a) at 27-46.

----------------------------------------------------- END ------------------------------------------------------ $Q\DOWHUDWLRQRIWKLVFHUWLILFDWHDQGRUWKH7\SH&HUWLILFDWH'DWD6KHHWLVSXQLVKDEOHE\DILQHQRWH[FHHGLQJRULPSULVRQPHQWQRWH[FHHGLQJ\HDUVRUERWK7KLV FHUWLILFDWHPD\EHWUDQVIHUUHGRUPDGHDYDLODEOHWRWKLUGSHUVRQVE\OLFHQVLQJDJUHHPHQWVLQDFFRUGDQFHZLWK7LWOHRIWKH&RGHRI)HGHUDO5HJXODWLRQVSDUWVHFWLRQ &)5 $WUDQVIHUPXVWEHHQGRUVHGDVSURYLGHGRQWKHUHYHUVHKHUHRI$7\SH&HUWLILFDWHKROGHUZKRDOORZVDSHUVRQWRXVHWKH7\SH&HUWLILFDWHWRPDQXIDFWXUHD QHZDLUFUDIWDLUFUDIWHQJLQHRUSURSHOOHUPXVWSURYLGHWKDWSHUVRQZLWKDZULWWHQOLFHQVLQJDJUHHPHQWDFFHSWDEOHWRWKH)$$ 5HI&)5  3 3)$$)RUP  683(56('(635(9,286(',7,21 3DJHBBBRIBBB

## Every issue (3)

- June 3, 2021: Amended, Current. [certificate](https://openairdocs.org/files/sha256/f3/41/f341d8d71966815b31178726e776206e6f8ce31f603288a29053bd339e3fc5aa)
- April 17, 2013: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/a6/4e/a64effa8b093aff4b7a91f85cc34dc18065bd7bc1af01976471cc5db312b710f)
- January 11, 1994: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/73/32/7332dc9e1925a14a96d863c27fb303de599b33fb2ba0bb00456ffaa193684689)

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