# STC SR00066DE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Air Comm Corporation, United States
- Description: Installation of vapor cycle cockpit/ cabin air conditioning system.
- Applied: July 23, 1993
- Status date: November 24, 2014
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/4d/61/4d616b2a4a2496707c9dbcd05a2318bec377459021cb92580128a1a72663af8a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F4536A63B44368F086257DF7007198BB.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00066DE

## ADs that name it (0)

None.

## Approved models (3)

- Bell Helicopter Textron Inc. 412 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron Inc. 412CF ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron Inc. 412EP ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))

## 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.

N umber SR00066DE This certificate, issued to Air Comm Corporation 1575 West 124th Ave Westminster, CO 80234

Title 14, Part 29 of the Code of Federal Regulations.

Original ProductType Certificate Number: H4SW Make: Bell Model: 412, 412EP, 412CF Description of the Type Design Change:

Installation of vapor cycle cockpit/cabin air conditioning system in accordance with Air Comm Corporation Master Drawing List Report DL-412AC, Revision E, dated July 2, 1997, or later FAA approved revision.

1. FAA approved Rotorcraft Flight Manual Supplement 412AC-100, dated July 10, 1997, or later FAA approved revision is required for Air Comm Corporation Drawing 412AC-100 configuration (No temperature control).

2. FAA approved Rotorcraft Flight Manual Supplement 412AC-104, dated July 10, 1997, or later FAA approved revision is required for Air Comm Corporation Drawing 412AC-102 configuration (with temperature control) or Drawing 412AC-106 configuration (optional ground cooling unit).

3. FAA approved Rotorcraft Flight Manual Supplement 412AC-108, dated June 30, 2006, or later FAA approved revisions is required for Air Comm Corporation Drawing 412AC-102 configuration (with temperature control), or Drawing 412AC-106 configuration (optional ground cooling unit).

Date of application: July 23, 1993 Date reissued: 10/23/12, November 24, 2014 Date of issuance: December 13, 1993 Date amended: 7/29/94, 12/22/94, 7/10/97, 6/30/06, 9/9/08, 6/21/12

Todd Dixon (Signature) Manager Denver Aircraft Certification Office Northwest Mountain Region, (Title)

Note: This continuation sheet is applicable to the STC SR00066DE.

4. Approval of this change in type design applies to the model of aircraft listed above only.

5. Compatibility of this design change with previously approved alterations must be determined by the installer.

6. 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.

7. A copy of this certificate and the appropriate flight manual supplement as listed above must be maintained as part of the permanent record for the altered aircraft.

- - - - - - END - - - - - -

## Every issue (5)

- November 24, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4d/61/4d616b2a4a2496707c9dbcd05a2318bec377459021cb92580128a1a72663af8a)
- August 15, 2014: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/18/d4/18d4722e82d19d46a3746a57cb7161f131fe81208693967bbaeec907b512c0c1)
- October 23, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/15/48/1548192c38f86c0d69bfb8c688b8355588ffe78f00b894226c4928a683b27e15)
- June 21, 2012: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/17/a5/17a52d1021f4389a49ec66554158d2476231dbd1458bfb2b9845677dcaacc989)
- September 9, 2008: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/a3/02/a3024e5d131b41d038b22d7eefe307fc0ea73a4879439666343297283693a596)

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