# STC SH748NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: McCallister Engineering Enterprises, United States
- Description: Installation of a weighing system.
- Applied: March 28, 1979
- Status date: September 1, 1987
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU), [TCDS H11EU](https://openairdocs.org/tcds/H11EU)
- Certificate PDF: https://openairdocs.org/files/sha256/a4/c5/a4c58163cd1d2748afd22179063e36c8c8b4ba2a23c2a8991e2de5560bfdbf5b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D8DBE375C5C2AA3085256CC200622222.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH748NW

## ADs that name it (0)

None.

## Approved models (8)

- Eurocopter France AS-350B ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350C ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350D ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350D1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS355E ([TCDS H11EU](https://openairdocs.org/tcds/H11EU))
- Eurocopter France AS355F ([TCDS H11EU](https://openairdocs.org/tcds/H11EU))
- Eurocopter France AS355F1 ([TCDS H11EU](https://openairdocs.org/tcds/H11EU))
- Eurocopter France AS355F2 ([TCDS H11EU](https://openairdocs.org/tcds/H11EU))

## 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: SH748NW This certificate issued to: McA1lister Engineering Enterprises Part 21.29/ the Federal Aviation Regulations.

Original Product - Type bertificate Number H9EU H1 1 EU Make: Aerospatiale Model: AS-350B, AS-350B1, AS 355E, AS 355F, AS AS-350C, AS-350D 355F1, and AS 355F2 Description of Type Design Change: and AS-350D1 Installation of a weighing system in accordance with McAllister Engineering Enterprises Installation Drawing No. 350-00000, dated March 27, 1979, or later FAA approved Revisions.

Limitations and Conditions: 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 FAA Approved Rotorcraft Flight Manual Supplement shall be maintained as part oi the permanent records for the modified helicopter

Date of Application: March 28, 1979 Date Reissued:

Date of Issuance: Apr11 12, 1979 Date Amended: Apr11 29, 1981; Feb. 5, 1982; May 5, 1982; May 9, 1986; Sept. 1, 1987 FEDERAL AVIATION By direction 0. 7. Riggn the Administrator T MINISTRAIOS Manager, Seattle Aircraft Certification Office ( Title)

47.

McAllister Engineering Enterprises 9739 South 208th Kent, WA. 98031 STC SH748NW

**MCALLISTER ENGINEERING ENTERPRISES**

FAA APPROVED ROTORCRAFT FLIGHT MANUAL SUPPLEMENT AEROSPATIALE MODELS AS-350B, AS-350B1, AS-350C, AS-350D, AS-350D1, AS 355E, AS 355F, AS 355F1, and AS 355F2 This supplement must be attached to the applicable DGAC Approved Rotorcraft Flight Manual when the weighing system is installed in accordance with STC SH748NW. The information in this document is FAA approved material which, together with the basic flight manual, is applicable and must be carried in the basic manual of the modified helicopter.

The information in this document supersedes the basic manual only where covered in the items contained herein. For Limitations, Procedures, and Performance not contained in this supplement, consult the basic manual.

I. LIMITATIONS The McAllister Engineering Enterprises Model ME-350 cargo hook scale is designed and installed as a means of MONITORING the load (weight) suspended from the cargo hook. The indication, or display, shall NOT be used as a primary indication or instrument of performance.

II. PROCEDURES No Change III. PERFORMANCE No Change FAA Approved: N. L. Keggen William B. Ashworth Manager, Seattle Aircraft Certification Office Make: April 12, 1979 AMENDED: June 26, 1979 AMENDED: July 12, 1979 AMENDED: April 29, 1981 AMENDED: February 4, 1982 AMENDED: May 4, 1982 AMENDED: May 9, 1986 AMENDED: September 1, 1987 Page 1 of 1

## Every issue (1)

- September 1, 1987: Amended, Current. [certificate](https://openairdocs.org/files/sha256/a4/c5/a4c58163cd1d2748afd22179063e36c8c8b4ba2a23c2a8991e2de5560bfdbf5b)

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