# STC SH189NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Weyerhaeuser Company, United States
- Description: Removal of front pilot door for door-off flight operation for above models having no other external mold line changes, such as external pods, fuel tanks, etc.
- Applied: June 2, 1975
- Status date: June 27, 1979
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/aa/63/aa63c3ed23bd0c87cb67be7dcbcb9a8433d952bdc96655a14979c1818241e767
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9E16CFDEC6CFA5B486257AE10059B624.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH189NW

## ADs that name it (0)

None.

## Approved models (2)

- Bell Helicopter Textron Canada Limited 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron Canada Limited 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SH189NW This certificate issued to: Weyerhaeuser Company Purt 6 of the CiViI Air Kegulalions., dated December 20, 1956.

Original Product -Typebertificate Number: H25W Make: Be11 Model: 206A and 206B Jescriplin/Type I esign bhange: Removal of front pilot door for door-off flight operation for above models having no other external mold line changes, such as external pods, fuel tanks, etc.

Limilalins and bundilins: Approval of this change in type design applies basically to the above model helicopter only. This approval should not be extended to other helicopters of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that helicopter. A copy of this Certificate and Addendum No. SH189NW shall be maintained as part of the permanent records for the modified helicopter.

Date of Application: June 2, 1975 Jute missued.

Sale sf issuance. June 9, 1975 Date Amended: June 27, 1979

FEDERAL AVIATION (Signature ) TOHINISTRAIO Chief, Engineering and Manufacturing Branch (Title)

47.

**FAA FOR 8110-2 (10-68)**

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Amended June 27, 1979 Number SH189NW Supplemental Type Certificate ADDENDUM NO. SH189NW The conditions and limitations of the original specifications apply except as follows:

This Addendum, which is part of Supplemental Type Certificate No. SH189NW, prescribes the conditions and limitations under which the STC was issued and meets the airworthiness requirements of the Civil Air Regulations Part 6.

A copy of this Addendum shall be maintained as part of the permanent records for the modified helicopter.

Supplemental Type Certificate HOLDER: Weyerhaeuser Company I. BELL MODELS 206A AND 206B HELICOPTERS AS MODIFIED BY STC SH189NW Airspeed Limits: Placard must be placed in full view of the pilot and must state:

**DO NOT EXCEED 100 MPH VNE**

**WITH RIGHT FRONT DOOR OFF**

REAR DOORS MUST BE ON Flight Manual Entry: Helicopters approved for flight with the right front door removed per STC SH189NW dated June 9, 1975, and amended June 27, 1979.

- END -

**FAA FORM 8110-2-1 (10-69) PAGE 3 OF 3 PAGES C FAA AC 73-2651**

## Every issue (1)

- June 27, 1979: Amended, Current. [certificate](https://openairdocs.org/files/sha256/aa/63/aa63c3ed23bd0c87cb67be7dcbcb9a8433d952bdc96655a14979c1818241e767)

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