# STC SR00491DE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Air Comm Corporation, United States
- Description: Installation of cabin air conditioning system.
- Applied: February 8, 2002
- Status date: November 24, 2014
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS R0001RD](https://openairdocs.org/tcds/R0001RD)
- Certificate PDF: https://openairdocs.org/files/sha256/be/84/be84364dbf7f0091376ae8dee7c995bce8472c91f34e912be93a46a61cc15bac
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A6120DFB98C4397B86257DF700735E8E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00491DE

## ADs that name it (2)

- [AD 2017-06-11](https://openairdocs.org/ad/2017-06-11): failure of an air conditioner compressor drive pulley (pulley) or tail rotor output wheel (wheel) · Airbus Helicopters EC120B with STC SR00491DE. Effective May 8, 2017. Named in the applicability
- [AD 2015-24-51](https://openairdocs.org/ad/2015-24-51) (historical): Air Comm Corporation (Air Comm) air conditioning kit · Airbus Helicopters EC120B with STC SR00491DE. Named in the applicability

## Approved models (1)

- Airbus Helicopters EC120B ([TCDS R0001RD](https://openairdocs.org/tcds/R0001RD))

## 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 N umber SR00491DE This certificate, issued to Air Comm Corporation 1575 West 124th Ave Westminster, CO 80234 Title 14, Part 27 of the Code of Federal Regulations.

Original ProductType Certificate Number: R0001RD Make: Airbus Helicopters Model: EC120B Description of the Type Design Change:

Installation of Cabin Air Conditioning System in accordance with Air Comm Corporation Master Drawing List Report No. DL-EC120, Revision D, dated 12/26/02, FAA approved March 7, 2003, or later FAA approved revision.

1. Instructions for Continued Airworthiness, Air Comm Corporation Report EC120-200M-1, dated June 21, 2002 FAA accepted July 18, 2002, or later FAA accepted revision is required for this installation.

2. FAA Approved Flight Manual Supplement, Document No. EC120B-1, dated March 10, 2003, or later FAA approved revision is required.

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

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

5. 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.

6. 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.

Date of application: February 08, 2002 Date reissued: November 24, 2014 Date of issuance: March 10, 2003 Date amended:

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

## Every issue (2)

- November 24, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/be/84/be84364dbf7f0091376ae8dee7c995bce8472c91f34e912be93a46a61cc15bac)
- August 15, 2014: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/a2/1f/a21f1cfc107a3ed7761ec3078688199ed76d98c68c86465c6739c244cd9d0dc0)

---
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.