# STC SR00256DE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Air Methods LLC, United States
- Description: Installation of a medical oxygen system. MSN 36128 only
- Applied: June 18, 1996
- Status date: March 11, 2025
- Product: Aircraft, Rotorcraft
- Certification basis: Part 29
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/22/6f/226f72f8be1f928d69bb304b8871750f6c8a0a4390068fe32a97bc16e5f7ad11
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146031793220250314153936.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00256DE

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron Inc. 412EP ([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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number This certificate issued to:

SR00256DE Air Methods, LLC 5500 South Quebec Street Suite 300 Greenwood Village, CO 80111 Part 29 Title 14 of the Code of Federal Regulations H4SW Bell Textron Inc.

412EP (S/N 36128 only)

1. A copy of this certificate and Rotorcraft Flight Manual Supplement 080-0222, Rev - , dated 10/30/1996, or later FAA-approved revision, must be maintained as part of the permanent records for the modified rotorcraft.

(Limitations and Conditions continued on Page 3) 06/18/1996 03/11/2025 10/30/1996 ODA administrator, ODA-635841-NM Air Methods, LLC 3 Installation of a Medical Oxygen System in accordance with Air Methods Master Drawing List MDL 141-9028, Rev - , dated 09/12/1996, or later FAA-approved revision.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number

Date o transfer:

SR00256DE 03/11/2025 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SR00256DE 03/11/2025 Limitations and Conditions (Continued):

2. Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in a Bell Helicopter 412EP (S/N 36128 only).

3. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall the other person written evidence of that permission.

-------------------------------END---------------------------- 3 3

## Every issue (2)

- March 11, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/22/6f/226f72f8be1f928d69bb304b8871750f6c8a0a4390068fe32a97bc16e5f7ad11)
- October 30, 1996: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/3b/57/3b579dc352e8036fd6058a111c0e1493ec60a8390f58a0f368496a13da49e597)

---
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.