# STC SA1385GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: McCauley Propeller Systems, United States
- Description: Installation of McCauley model 4HFR34C764/94LMB-0 propellers.
- Applied: September 24, 1988
- Status date: July 19, 2006
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A9EA](https://openairdocs.org/tcds/A9EA)
- Certificate PDF: https://openairdocs.org/files/sha256/51/67/5167e7db6d61353409eee589cdf9f2023f02ad8b076248b25ace4fe37f62ab5f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DEEFE3D9F72D8ECF862571CD005B5E95.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1385GL

## ADs that name it (0)

None.

## Approved models (1)

- Bombardier-Rotax GmbH DHC-6-300 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))

## 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.

FAA FORM 8110-2(10-68) PAGE 1 of 3 PAGES Number SA1385GL This certificate issued to McCauley Propeller Systems 7751 East Pawnee Wichita, KS 67207

Part 3 of the Civil Air Regulations.

See Type Certificate Data Sheet A9EA for complete certification basis.

Original Product-Type Certificate Number : A9EA Make : Viking Air Limited (DeHavilland Aircraft) Model : DHC-6-300

Installation of McCauley Propeller Systems propeller model 4HFR34C764/94LMB-0 in accordance with McCauley Technical Report No. 707, no revision, dated March 8, 1989 and McCauley Drawing No. D-60040, Change Number 7204, dated March 10, 1989, or later FAA approved revision.

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

2. FAA Approved Airplane Flight Manual Supplement dated May 17, 1989, or later FAA approved revision, is required.

…continued on page 3 of 3…

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date reissued : July 19, 2006

( Signature) Thaddeus D. Krolicki, Jr.

Manager, Propulsion Branch Chicago Aircraft Certification Office

(Title) Date of application: September 24, 1988

Date of issuance : May 17, 1989

3. Aircraft specifications are the same as listed on Aircraft Specification Data Sheet No. A9EA

Propeller and Propeller Limits

2 McCauley 4HFR34C764 hubs with 94LMB-0 blades

Diameter: 94 to 92 inches

Propeller blade angle at 30 inches:

Feathered: +86.8° ± 0.3° Takeoff Low Pitch: +17.5° (22.0° pickup) Idle Blade Angle: +11.5° Reverse Blade Angle: -10.0° ± 0.4°

Tolerances for takeoff Low Pitch and Idle Blade Angle are contained in McCauley Technical Report 707.

Minimum propeller ground idle RPM for continuous operation shall not be less than 1034 RPM.(47% Np); however, propeller may be feathered on the ground and idled at rotational speeds below 400 propeller shaft RPM (18% Np)

4. 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.

## Every issue (1)

- July 19, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/51/67/5167e7db6d61353409eee589cdf9f2023f02ad8b076248b25ace4fe37f62ab5f)

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