# STC SA1837WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Air Comm Corporation, United States
- Description: Installation of freon air-conditioning system
- Applied: September 20, 1968
- Status date: July 2, 2019
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A9EA](https://openairdocs.org/tcds/A9EA)
- Certificate PDF: https://openairdocs.org/files/sha256/e8/6a/e86aca2e148f4588427838b0006ac6e95934ea46485877a5ca76937bbfc6a2d9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EE6FA803FA76D69B862585CF00357096.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1837WE

## ADs that name it (1)

- [AD 71-14-05](https://openairdocs.org/ad/71-14-05): Possible Explosion in Bays 9 and  2 · Freon air-conditioning system (STC SA1837WE). Named in the applicability

## Approved models (4)

- Viking Air Limited DHC-6-1 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))
- Viking Air Limited DHC-6-100 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))
- Viking Air Limited DHC-6-200 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))
- Viking Air Limited DHC-6-300 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))

## 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 2

Number: SA1837WE

Parts 3 of the Civil Air Regulations.

Original Product – Type Certificate Number: A9EA Make: DeHavilland Model: (DHC-6)1, 100, 200, 300

Installation of freon air-conditioning system in accordance with FAA sealed Drawing List No. DL-030000 dated November 15, 1968, or subsequent FAA approved revisions.

1. FAA Approved Airplane Flight Manual Supplement dated November 15, 1968, or subsequent FAA approved revision is required with this modification.

2. 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:

Part 3 of the Civil Air Regulations dated May 15, 1956, and Amendments 3-1 to 3-8 inclusive, plus Special Conditions for Multi- Engine Turbine-Powered Aircraft dated November 6, 1964, for Models 1, 100, 200, 300. Models 100, 200, 300; SFAR 23 dated January 7, 1969, and Amendment 1 to SFAR 23, dated December 24, 1969.

Date of Application: September 20, 1968 Date Reissued: 10/7/85; 3/23/90; 8/14/92; 9/11/10; 1/4/11; 5/17/13;

7/2/19 Date of Issuance: November 15, 1968 Date Amended: 8/25/77; 1/22/80; 2/4/81

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 2 of 2

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

Transfer the ownership of Supplemental Type Certificate Number: SA1837WE

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 2 of 2

## Every issue (3)

- July 2, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e8/6a/e86aca2e148f4588427838b0006ac6e95934ea46485877a5ca76937bbfc6a2d9)
- May 17, 2013: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/a9/92/a992fcf4ec8e5ab2ef5c7bcbaabb26b4af4172d2f0ec9f5ee5d6a79818f945fe)
- January 4, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/43/97/43975115f09fabc1c38a02c669f60ee0bff54c5eb91047ecc84b7d0ec38f264b)

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