# STC SH1504NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Air Comm Corporation, United States
- Description: Installation of engine driven Vapor Cycle (Freon or Refrigerant R134a) air conditioner, heater or entire environmental control system (including both)
- Applied: February 5, 1982
- Status date: July 2, 2019
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/52/48/524853909e25dace60c6a4e94f5de8972d3a5952e5a4ca1d6294aebb2a9164c2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9F0D3A600E11C0FE862585CF00395351.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH1504NM

## 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.

FAA Form 8110-2 (5/14) Page 1 of 3

Number: SH1504NM

Parts 6 of the Civil Air Regulations.

Original Product – Type Certificate Number: H2SW Make: Bell Helicopter Textron Canada Limited Model: 206A/B, 206L, L1, L3, L4

Installation of engine driven Vapor Cycle (Freon or Refrigerant R134a) air conditioner, heater or entire environmental control system (including both), in accordance with FAA approved Master Drawing List DL-206-1, Revision AM, dated December 6, 1995, or subsequent FAA approved Revision.

Date of Application: February 5, 1982 Date Reissued: 10/7/85; 3/23/90; 8/14/92; 8/16/2010; 5/17/2013;

7/2/19 Date of Issuance: April 22, 1982 Date Amended: 6/1/95; 2/1/96;

October 14, 1997 Revision 9

Signature

Title Jim Grigg Manager, Fort Worth ACO Branch, Compliance & Airworthiness Division Aircraft Certification Service Air Comm Corporation 1575 West 124th Avenue Westminster, CO 80234

FAA Form 8110-2 (5/14) Page 3 of 3

FAA Form 8110-2 (5/14) Page 3 of 3

Transfer the ownership of Supplemental Type Certificate Number: SH1504NM

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SH1504NM

FAA Form 8110-2 (5/14) Page 3 of 3

Date of Issuance: April 22, 1982 Date Amended: October 14, 1997 Date of Reissuance: July 2, 2019

1. Rotorcraft Flight Manual Supplement for Model 206A Aircraft, with Detroit Diesel Allison 250-C20 engine, dated April 22, 1982, or subsequent FAA approved revision; or Rotorcraft Flight Manual Supplement for Model 206B Aircraft, with Detroit Diesel. Allison 250-C20B/C20J engines, Revision 10, dated August 3, 1995, or subsequent FAA approved revision;

or Rotorcraft Flight Manual Supplement for Model 206L-1/L-3 Aircraft dated October 28, 1982, or subsequent FAA approved revision; or Rotorcraft Flight Manual Supplement for Model 206L Aircraft dated October 14, 1986, or subsequent FAA approved revision; or Rotorcraft Flight Manual Supplement for Model 206L-4 dated December 10, 1992, or subsequent FAA approved revision.

2. Only the R134a refrigerant Air Conditioning system is applicable to Model 206B serial number 5101 through 5267 with installations accomplished per STC SH582GL, SH7638SW, and SH8938SW (Designated TH-67 VFR configuration).

3. Only the R134a refrigerant Air Conditioning system is applicable to Model 206B serial number 5101 through 5267 with installations accomplished per STC SH582GL, SH7638SW, SH8938SW and SH8423SW (Designated TH-67 Two Pilot IFR configuration).

4. The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Regulations: See Type Certificate Data Sheet H2SW for complete certification basis.

-END-

## Every issue (3)

- July 2, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/52/48/524853909e25dace60c6a4e94f5de8972d3a5952e5a4ca1d6294aebb2a9164c2)
- May 17, 2013: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/c0/e3/c0e38f4f085c0ab80de8d6d9d58d17007efeb1ccc8a390b081b58205182d1f6e)
- August 16, 2010: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/94/33/9433c10f3c0ef3e69c1b5f42b66b8841fa27d313bacffec07209a2c207216623)

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