# STC SH607NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: McCallister Engineering Enterprises, United States
- Description: Installation of mechanical release system for external cargo hook.
- Applied: May 8, 1978
- Status date: May 31, 1978
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H6EA](https://openairdocs.org/tcds/H6EA)
- Certificate PDF: https://openairdocs.org/files/sha256/64/ff/64ffe752b4b56ef1563da324865a373ced10c1dac64d9508476e63fed5e1ff4e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/63A233C3019E023685256CC20062217D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH607NW

## ADs that name it (0)

None.

## Approved models (2)

- Erickson Air-Crane Company S-64E ([TCDS H6EA](https://openairdocs.org/tcds/H6EA))
- Erickson Air-Crane Company S-64F ([TCDS H6EA](https://openairdocs.org/tcds/H6EA))

## 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: SH607NW This certificate issued to: McAllister Engineering Enterprises Purt 29 / the Federal Aviation Regulations:

Original Product - Type bertificate Number: HGEA Make: Sikorsky S-64 Series Description of Type Design Change: Installation of a mechancial release system for the external cargo hook in accordance with McAllister Engineering Enterprises Installation Drawing No. 641-00000.

This modification includes the installation of a release handle, cables and hook adapter.

Approval of this change in type design applies Limitations and Conditions: basically to the above model aircraft only. This approval should not be extended to other aircraft 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 previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft.

Tales/ applicution: May 8, 1978 Date Reissued:

Date of Issuance: May 31, 1978 Date Amended:

EDERAL AVIATION By diretion of the Slaministrter nantes l Lebrocia TOMINISTRAIO Chief, Engr. & Mfg. Branch, ANW-210 (Title) 47 FAA FORM 8110-2 (10-68)

## Every issue (1)

- May 31, 1978: Issued, Current. [certificate](https://openairdocs.org/files/sha256/64/ff/64ffe752b4b56ef1563da324865a373ced10c1dac64d9508476e63fed5e1ff4e)

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