# STC SR01666NY

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: ACROHelipro Global Services Inc., Canada
- Description: Installation of Helipro Sliding Windows.
- Applied: June 6, 2002
- Status date: February 15, 2007
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS R00001RC](https://openairdocs.org/tcds/R00001RC)
- Certificate PDF: https://openairdocs.org/files/sha256/87/c6/87c6e92127f73ee691ebef9f9e30b4b73af9c571189038245e4dc595c6d84fc3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/91953310C3CE6126862572980071060F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR01666NY

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron (Canada) 427 ([TCDS R00001RC](https://openairdocs.org/tcds/R00001RC))

## 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.

Part 27 of the Federal Aviation Regulations.

Installation of ACROHelipro Sliding Windows in accordance with ACROHelipro Global Services Inc. Master Drawing List HP 427- 56-30-101, Revision D, dated August 24, 2006, or later Transport Canada approved revisions.

1. ACROHelipro Global Services Inc. Instructions for Continued Airworthiness HP427-5-00-251, Revision C, dated December 21, 2006, or later Transport Canada accepted revisions, is required with this installation.

2. C.J. Roberts & Associates, Inc. Flight Manual Supplement FMS 7977-4, Revision A, dated June 6, 2002, or later DOT approved revisions is required for this installation.

ACROHelipro Global Services Inc.

4551 Agar Drive Richmond, British Columbia V7B 1A4 Canada R00001RC Make: Bell Helicopter Textron Canada Limited Model: 427 Date of application: June 6, 2002

Date of issuance: April 24, 2003

Date reissued: May 14, 2003; October 2, 2006

Date amended: February 15, 2007

( Signature) Anthony Socias Manager New York Aircraft Certification Office

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

Number SR01666NY Date of Amendment: February 15, 2007

3. Installation of the passenger door sliding windows is limited to the original passenger doors as noted in the following table:

Side Helipro Sliding Window Part Number Bell Passenger Door Part Number LH HP427-56-30-801-301 427-030-501-103 RH HP427-56-30-801-302 427-030-501-104

4. The sliding windows may be installed in the following configurations. An “X” indicates that a sliding window is installed in the indicated door:

Number of Sliding Windows Copilot Door Passenger LHS Door Passenger RHS Door X X 1 X X X X X 2 X X 3 X X X

5. VNE for opening and closing of windows is 50 KIAS.

6. VNE with any window open is 80 KIAS.

7. 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

8. The Installer must determine whether this design change is compatible with previously approved modifications.

…END…

## Every issue (2)

- February 15, 2007: Amended, Current. [certificate](https://openairdocs.org/files/sha256/87/c6/87c6e92127f73ee691ebef9f9e30b4b73af9c571189038245e4dc595c6d84fc3)
- October 2, 2006: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/3f/c2/3fc26655d6428c70142e2436b2c46c6487e8b7bff70415cff24936613641e53b)

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