# STC SA566NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sikorsky Global Helicopters Inc, United States
- Description: Medevac interior installation.
- Applied: October 22, 1987
- Status date: October 1, 2011
- 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/d9/6d/d96d2e10c5dbad17111f36c284d185604b210e2f1307accad19c8aafa13e975e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/41FAD528F799ACC48625799C00687AB8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA566NE

## ADs that name it (0)

None.

## Approved models (1)

- 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.

Number SH566NE This certificate issued to

Part 29 of the Federal Aviation Regulations.

Original Product -- Type Certificate Number

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

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

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

2. Equivalent safety has been established for FA R 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 trained in this emergency evacuation procedure.

3. This approval should not be incor porated in any aircraft of this specific model on which other approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously incorporated approved modifications will not introduce any adverse effect upon the airworthiness of the aircraft.

Sikorsky Global Helicopters, Inc.

110 E. Stewart Huston Drive Coatesville, PA 19320 H4SW Make : Bell Helicopter Textron, Inc.

Model : Bell 412 Date of application : October 22, 1987

Date of issuance : April 6, 1988 Date reissued : October 1, 2011

Date amended : 6/24/88, 9/9/88

( Signature)

Anthony Gallo Acting Manager New York Aircraft Certification Office

( Title)

## Every issue (1)

- October 1, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d9/6d/d96d2e10c5dbad17111f36c284d185604b210e2f1307accad19c8aafa13e975e)

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