# STC SH5764NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Erickson Air Crane Inc. dba Erickson Air-Crane, United States
- Description: Increase in maximum ground idle speed.
- Applied: March 26, 1992
- Status date: December 1, 2010
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H6EA](https://openairdocs.org/tcds/H6EA)
- Certificate PDF: https://openairdocs.org/files/sha256/0f/47/0f4767b8d4bdbc9a57f65a6b4ce11a894a957e8354c3e49e443a7c56c487214c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/22E5C61F0E1649B486257855005EF69F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH5764NM

## 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

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.

Part 29 of the Federal Aviation Regulations.

Increase in maximum ground idle speed from the existing limit of 42% N1 to 44% N1, which will make a corresponding increase in the maximum flight idle speed from 62% N1 to 64% N1, in accordance with S-64E Commercial Maintenance Manual EAC007 and Erickson Air-Crane S-64F Supplemental Maintenance Manual No. EAC006.

Approval of this change in type design applies to the above model rotorcraft only.

This approval should not be extended to other rotorcraft of this model on which other previously approved modifications are incorporated unless it is determined that the (See continuation sheet 3 of 3)

Erickson Air-Crane, Inc.

dba Erickson Air-Crane 3100 Willow Springs Road Central Point, OR 97502 H6EA Make : Erickson Air Crane Model: S-64E and S-64F

Date of application : March 26, 1992

Date of issuance : September 03, 1992

Date reissued : 11/8/93; 8/22/97

Date amended : June 04, 1993; December 01, 2010

( Signature) James A. Richmond, Acting Manager Rotorcraft Certification Office Southwest Region

( Title) PM EEE PROJ #SA1196RC-R

FAA Form 8110-2-1(10-69) Page 2 of 3

FAA Form 8110-2-1(10-69) Page 3 of 3

Number SH5764NM Date of Issuance: September 03, 1992 Date Amended: December 01, 2010

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 rotorcraft. A copy of this Certificate and FAA Approved Rotorcraft Flight Manual Supplement dated September 3, 1992, for the S-64E and June 4, 1993, for the S-64F must be maintained as part of the permanent records for the modified rotorcraft.

Compatibility of this design change with previously approved modifications must be determined by the installer.

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

--END--

## Every issue (1)

- December 1, 2010: Amended, Current. [certificate](https://openairdocs.org/files/sha256/0f/47/0f4767b8d4bdbc9a57f65a6b4ce11a894a957e8354c3e49e443a7c56c487214c)

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