# STC SR04225CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Med-Pac Inc., United States
- Description: Installation of an air ambulance conversion kit
- Applied: January 25, 2017
- Status date: July 19, 2017
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/b9/81/b981cdceb4154eaf5d0f882dd2ad3142c0a568b85735c1c45bda8202bc4a3cd6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/84A9C8F30840DD5A8625816B0049439B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR04225CH

## ADs that name it (0)

None.

## Approved models (2)

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

29 Federal Aviation (See Type Certificate Data Sheet No. H4SW for complete certification basis)

Installation of an air ambulance conversion kit in accordance with Med-Pac, Inc. Drawing No. RC412-1, No Revision, dated November 01, 2016, or later FAA approved revisions.

1. FAA Approved Rotorcraft Flight Manual Supplement, RFMS 412, No Revision, dated November 01, 2016, or later FAA approved revision is required.

2. FAA Accepted Instructions for Continued Airworthiness, Report ICAS 412, No Revision, dated November 01, 2016, or later FAA accepted revision is required for this modification.

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

4. 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.

Med-Pac, Inc.

2093 South 2nd Street Lake Park, MN 56554 H4SW Bell Helicopter Textron Canada Limited 212, 412

January 25, 2017

June 23, 2017

July 19, 2017

Original Signed By:

Marcus A. Runyan

(Signature) Marcus A. Runyan Acting Manager, Airframe & Administrative Branch Chicago Aircraft Certification Office

(Title)

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

## Every issue (1)

- July 19, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b9/81/b981cdceb4154eaf5d0f882dd2ad3142c0a568b85735c1c45bda8202bc4a3cd6)

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