# STC SH811NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Cascade Commercial Helicopters Inc, United States
- Description: Installation of cargo and/or fuel tote carrier
- Applied: July 18, 1979
- Status date: July 23, 1979
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 4H12](https://openairdocs.org/tcds/4H12)
- Certificate PDF: https://openairdocs.org/files/sha256/4e/6e/4e6ea46b327c33b3b72f92feaaf0e73a6430a40d9cd2f71a17fc362a9d277648
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/58AB40473FC8453386257A3E00703E4B.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH811NW

## ADs that name it (0)

None.

## Approved models (1)

- Sikorsky Aircraft Corporation 269C ([TCDS 4H12](https://openairdocs.org/tcds/4H12))

## 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: SH811NW This certificate issued to: Cascade Commercial Helicopters, Inc.

Certifies that the change in the type design for the fellowing product with the limitations and conditions therefer as specified hereen meets the airernthiness requirements if Purt 6 of the CiviI Air Regulations:

Original Product - Type bertificate Number: 4H12 Make: Hughes Model: 269C Description of Type Design Change: Installation of cargo and/or fuel tote carrier in accordance with photographs 1 through 6.

Similations and bendituns: Data pertaining to this modification are considered inadequate for duplication in other helicopters. This approval is limited to the installation in Hughes 269C, Serial Numbers 440.296 and 300.009 only.

A copy of this Certificate and FAA Approved Rotorcraft Flight Manual Supplement shall be maintained as part of the permanent records for the modified helicopter.

## Every issue (1)

- July 23, 1979: Issued, Current. [certificate](https://openairdocs.org/files/sha256/4e/6e/4e6ea46b327c33b3b72f92feaaf0e73a6430a40d9cd2f71a17fc362a9d277648)

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