# STC SH566NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sikorsky Aircraft Corporation, United States
- Description: Medevac interior installation
- Applied: October 22, 1987
- Status date: December 17, 2014
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/00/92/0092bae1ebcc3b5084d6c815e98e780e44a071e55b93ccd97eca4ec482d9fb87
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EA8CAB7A81F199FD86257DB70050C0F5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH566NE

## 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 SH566NE Sikorsky Aircraft Corporation 6900 Main Street Stratford, CT 06615 Federal Aviation Regulations.

1. Medevac interior installation in accordance with Keystone Helicopter Corporation Installation Instructions Report No. IM

88-8.1, N/R, dated August 24, 1988.

2. Keystone Helicopter Corporation Rotorcraft Flight Manual Supplement No. FM 87-10, Revision Level 2 dated September 9, 1988, is required with this modification.

1. Equivalent safety has been established for FAR 29.813(c) and (c)(2) (through Amendment 29-12)-Emergency Exit Access by satisfactory completion of the evacuation demonstration described in Rotorcraft Flight Manual Supplement No. FM 87-10, Section III-Emergency and requires that the helicopter in the EMS configuration be operated with a minimum crew of one (1) pilot and two (2) cabin attendants with three or less patients or one (1) pilot and three (3) cabin attendants with four patients.

Pilot and cabin attendants are to be The installer must determine whether this design change is compatible with previously approved modifications.

(See Limitations and Conditions continued on Page 3 of 3) Gaetano Sciortino Manager New York Aircraft Certification Office Bell Helicopter Textron, Inc.

Bell 412 October 1, 2011, December 17, 2014 June 24, 1988, September 9, 1988 October 22, 1987 April 6, 1988 H4SW 3

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

To (Name and address of transferee)

From (Name and address of grantor)

3 SH566NE

FAA Form 8110-2 (5/14) Page 3 of

3 Date Reissued: December 17, 2014

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.

----------END---------- SH566NE

## Every issue (1)

- December 17, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/00/92/0092bae1ebcc3b5084d6c815e98e780e44a071e55b93ccd97eca4ec482d9fb87)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.