# STC SH77WE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Simplex Manufacturing Co, United States
- Description: Installation of Simplex Bi-Fluid Spray System.
- Applied: April 20, 1967
- Status date: January 16, 1969
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 2H3](https://openairdocs.org/tcds/2H3), [TCDS H-1](https://openairdocs.org/tcds/H-1)
- Certificate PDF: https://openairdocs.org/files/sha256/f1/54/f154a8388bf6bcb2ed1874327abb45ba4fb53532af25a200c5a6c346bd75c0ea
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/93D2B5D0104D1B9E85256CC200622287.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH77WE

## ADs that name it (0)

None.

## Approved models (4)

- Scotts-Bell 47 Inc 47D ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Scotts-Bell 47 Inc 47D1 ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Scotts-Bell 47 Inc 47G ([TCDS H-1](https://openairdocs.org/tcds/H-1))
- Scotts-Bell 47 Inc 47G-3 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))

## What the certificate says

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

Federal Aviation Agency Supplemental Type Certificate

SUPERSEDED Number SHITNE X AMEN, This certificate issued to: Simplex Manufacturing Company _REISSUe 5224 N. E. 42nd Avenue DATED 1/16/09 Portland, Oregon 97218 therefor as specified horeen meets the ainurthines requirements of Part & PACE Regulatione Original Product - Typebertificate Lumber: H-1, 2H3 Make:

Model: 4TD, 47D1, 47G and 47G3 Description of Type Design Change: Installation of Simplex Bi-Fluid Spray System in accordance with Simplex Drawing List No. All94.

LIMITATION OF APPLICABILITY. This approval should not be extended to other specific helicopters of these models 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 will introduce no adverse effect upon the airworthiness of that helicopter.

FAA-Approved Rotorcraft Flight Manual Supplement dated June 22, 1967 is required.

The following placard must be placed on the instrument console in full view of the pilot:

Operation of the rotorcraft with Simplex Bi-Fluid Spray System installed must be in accordance with Simplex Manufacturing Company FAA-Approved Rotorcraft Flight Manual Supplement."

**FAA FORM 8110-2 (1-66) 0052-657-6000**

## Every issue (1)

- January 16, 1969: Amended, Current. [certificate](https://openairdocs.org/files/sha256/f1/54/f154a8388bf6bcb2ed1874327abb45ba4fb53532af25a200c5a6c346bd75c0ea)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
