# STC SH924NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sikorsky Aircraft Corporation, United States
- Description: Installation of a Bendix/King EFS 50 Electronic Flight Instrumentation System and a Bendix/King KNS 660 Flight Management System.
- Applied: September 27, 1991
- Status date: December 17, 2014
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H10EU](https://openairdocs.org/tcds/H10EU)
- Certificate PDF: https://openairdocs.org/files/sha256/80/76/807687bbf3f889d39a74c5b6ea1883c5ecd6d66cf4c06907c91967df6393e0fd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E676BE854EB44CFC86257DB70053D29D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH924NE

## ADs that name it (0)

None.

## Approved models (1)

- Airbus Helicopters AS-365N2 ([TCDS H10EU](https://openairdocs.org/tcds/H10EU))

## 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 SH924NE Sikorsky Aircraft Corporation 6900 Main Street Stratford, CT 06615 Federal Aviation Regulations.

1. Installation of a Bendix/King EFS 50 Electronic Flight Instrumentation System and a Bendix/King KNS 660 Flight Management System in accordance with Keystone Helicopter Corporation Installation Drawing List Report No. IDL91-24, Revision A, dated February 7, 1992.

2. Keystone Helicopter Corporation Rotorcraft Flight Manual Supplement for Aerospatiale AS365 N2 with Bendix/King Model EFS 50 Four Tube Electronic Flight Instrumentation System, Supplement No. FM91-24, Revision B, dated June 16, 1995, FAA approved June 16, 1995 is required with this installation.

(See Description of Type Design Change continued on Page 3 of 3)

1. An approved electromechanical standby attitude indicator must be installed as part of the Electronic Flight Instrumentation System installation.

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.

Gaetano Sciortino Manager New York Aircraft Certification Office Aerospatiale AS-365N2 “Dauphin” October 1, 2011, December 17, 2014 March 3, 1992, June 16, 1995 September 27, 1991 January 9, 1992 H10EU 3

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

To (Name and address of transferee)

From (Name and address of grantor)

3 SH924NE

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

3 Date Reissued: December 17, 2014

Description of Type Design Change (continued):

3. Keystone Helicopter Corporation Rotorcraft Flight Manual Supplement for Aerospatiale AS365 N2 with Bendix/ King Model KNS 660 Flight Management System, Supplement No. FM91-24.1, no revision, dated January 9, 1992, FAA approved January 9, 1992 is required with this installation.

----------END---------- SH924NE

## Every issue (2)

- December 17, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/80/76/807687bbf3f889d39a74c5b6ea1883c5ecd6d66cf4c06907c91967df6393e0fd)
- October 1, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/6b/57/6b57ca7eb4a56807ee5e5cb27eef7545f67189ea1e075a1d292afebbf8232ac7)

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