# STC SH726NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Erickson Air Crane Inc. dba Erickson Air-Crane, United States
- Description: Installation of Erickson EAC-4675 tail pipe extension
- Applied: February 9, 1979
- Status date: March 1, 2001
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H6EA](https://openairdocs.org/tcds/H6EA)
- Certificate PDF: https://openairdocs.org/files/sha256/97/da/97daabd7e42b82a35e674db0eb9c701c315550da16f440292f8919a556fa2ee5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/84781F633DDFD8D286257A4500543DC2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH726NW

## ADs that name it (0)

None.

## Approved models (1)

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

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Number SH726NW

This certificate, issued to Erickson Air-Crane, Inc.

dba Erickson Air-Crane 3100 Willow Springs Road Central Point, OR 97502 Part 29 of the Federal Aviation Regulations.

Original ProductType Certificate Number: H6EA Make: Erickson Model: S-64E (S/N 64002)

Description of the Type Design Change: Installation of Erickson EAC-4675 tail pipe extension in accordance with Erickson Air-Crane Company Report EAC-2.

NOTE: This extension replaces Sikorsky Tail Pipe Extension P/N 6430-80601-083.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other rotorcraft. This approval is limited to Erickson Model S-64E, Serial Number 64002 only. A copy of this Certificate must be maintained as part of the permanent records for the modified rotorcraft.

Date of application: February 9,1979 Date reissued: 08/22/97; 03/01/01 Date of issuance: March 1, 1979 Date amended: 03/01/01

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- March 1, 2001: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/97/da/97daabd7e42b82a35e674db0eb9c701c315550da16f440292f8919a556fa2ee5)

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