# STC SH722NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sikorsky Aircraft Corporation, United States
- Description: Installation of Medivac Interior.
- Applied: November 1, 1989
- Status date: December 17, 2014
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/8d/8f/8d8f4f712e45932ac422f947415fada22717b84dba384a8b60d0f0ad265b066f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/25B193D30BB4055386257DB70052B355.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH722NE

## ADs that name it (0)

None.

## Approved models (1)

- 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.

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

Part of the

Signature

Title SH722NE Sikorsky Aircraft Corporation 6900 Main Street Stratford, CT 06615 Federal Aviation Regulations.

1. Installation of Keystone Helicopter Corporation, Bell 412 Medivac Interior in accordance with Keystone Helicopter Corp.

Installation Drawing List Report No. 89-16, dated February 19, 1990.

2. Keystone Helicopter Corp. Rotorcraft Flight Manual Supplement for Bell 412 Helicopters, FAA approved February 26, 1990 is required with this modification .

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

2. 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.

Gaetano Sciortino Manager New York Aircraft Certification Office Bell Helicopter Textron, Inc.

Bell 412 October 1, 2011, December 17, 2014 November 1, 1989 February 26, 1990 H4SW 2

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

To (Name and address of transferee)

From (Name and address of grantor)

2 SH722NE

## Every issue (2)

- December 17, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8d/8f/8d8f4f712e45932ac422f947415fada22717b84dba384a8b60d0f0ad265b066f)
- October 1, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/cb/2d/cb2d40dc237b0afe29cc311135194e0829cb2fb3c0e84f9af2850f50799c0a91)

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