# STC SR176CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Spectrum Aeromed LLC dba Spectrum Aeromed, United States
- Description: Install air ambulance unit.
- Applied: June 7, 1993
- Status date: February 28, 2019
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/7d/a7/7da794cae78d4a7a34d790d2a91ae4a290cd098664f0a62bfdebb446396cda77
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7648FFF8D92C0B838625843E0018DA7B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR176CH

## ADs that name it (0)

None.

## Approved models (2)

- Bell Helicopter Textron 212 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron 412 ([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.

Part 27 of the Federal Aviation R egulations. (See Type Certificate Data Sheet No. H4SW for complete certification basis)

Original Product --Type Certificate N umber :

Install air ambulance unit in accordance with Spectrum Aeromed Report No. SI2055A, dated May 20, 1993, or later FAA approved revisions.

1. FAA Approved Airplane Flight Manual Supplement No. FMS2055, dated March 10, 1994, or later FAA approved revision is required.

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

3. 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.

This certificate and the supporting data which is the b asis for approval shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the A dministrator of the F ederal A viation A dministration.

Spectrum Aeromed, LLC dba Spectrum Aeromed 1815 23rd Ave. North Fargo, ND 58102 H4SW M ake : Bell Helicopter Textron M odel : 412, 212 Date of application : June 7, 1993

Date of issuance : March 10, 1994

Date reissued : August 6, 2007; October 23, 2008;

February 28, 2019

B y direction of the A dministrator Original Signed By:

Monica L. Nemecek

(Signature) Monica L. Nemecek Manager, Airframe & Administrative Section Chicago ACO Branch

(Title)

FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES

Number

## Every issue (3)

- February 28, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7d/a7/7da794cae78d4a7a34d790d2a91ae4a290cd098664f0a62bfdebb446396cda77)
- October 23, 2008: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/59/4f/594fd81394fdcff4cc347d686e96383a972647f4c2a8809b0202d404fecd02fe)
- August 6, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/8e/7d/8e7d0523f2fb44f14849309fe8650685f7b199103e769d95fcec88259ea4ac34)

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