STC SH1681NM

Supplemental type certificate · Simplex Manufacturing Company

Holder
Simplex Manufacturing Company · United States
Status
Current · Amended
Status date
June 20, 1983
Applied
August 3, 1982
Product
Aircraft · Rotorcraft
Certification basis
Part 21
Data sheet
TCDSH3WE

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of a Simplex Model 5500 Spray system

What the certificate saysOCR

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

amited States of Sincrica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 5H1681N4 Tris co slificate, issued te Simplex Manufacturing Company Certifies that the change in the type design for the fillewing freduct with the limitationa and conditions terferasspecifudderonmute the sine thiness ryunmentef Purt 6 f the CIVil Air Regulations.

Original Product - Type Cortificate Number: H3WE Make: Hughes Model: 369 Series Dacripline/ Type Lesign Change: Installation of a Simplex Model 5500 Spray System in accordance with Simplex Top Drawing No. B-5500.

Limitatinand benditied: Approval of this change in type design applies to the above model helicopters only. This approval should not be extended to helicopters of this model on which other previously approved modifications are incorporated unless it is determined that the relationship 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 Simplex Manufacturing Company Rotorcraft Flight Manual Supplement must be paintained as part of the permanent records for the modified aircraft.

this certificate unil the supporting data unich is the baus ferapyret shall sminen effect untit sur endered, wusfended, re sked, or a termination dute i ethemerise estallished by the Idministrater of the tude rel Iviation lemonist retion.

Jute/application: August 3, 1982 I ule of inscrunce August 4, 1982 Intramurded June 20, 1983 ¡EDERAL AVIATIO on ef the ldministrator ( Signate) TOMINIST ENTO Manager, Seattle Aircraft Certification Office (Title)

FAA For- 8110-2 (10-68)

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 10

MakeModelData sheet
MD Helicopter Inc.369H3WE
MD Helicopter Inc.369AH3WE
MD Helicopter Inc.369DH3WE
MD Helicopter Inc.369EH3WE
MD Helicopter Inc.369FH3WE
MD Helicopter Inc.369FFH3WE
MD Helicopter Inc.369HH3WE
MD Helicopter Inc.369HEH3WE
MD Helicopter Inc.369HMH3WE
MD Helicopter Inc.369HSH3WE