# STC SA1-503

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: B.F. Goodrich Company, USA
- Description: Install electrothermal propeller de-icing system
- Applied: October 9, 1961
- Status date: March 1, 1996
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20), [TCDS 5A4](https://openairdocs.org/tcds/5A4)
- Certificate PDF: https://openairdocs.org/files/sha256/40/a9/40a9fb64559c9b386849919e8eebe375149ee0bd2ff5b607eee89bc3ad88a5dd
- Approved model list and other attachments: [SA1-503_AML.pdf](https://openairdocs.org/files/sha256/11/ce/11ceacff1111f4430f75a190effdd347b6424d2e05ce7a81afb7cc1ed6850676)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121156908320230519143235.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-503

## ADs that name it (1)

- [AD 2005-18-20](https://openairdocs.org/ad/2005-18-20): "FASTprop" propeller de-icers · Hartzell PHC-C3YF-1RF/F8468A(B,K)-8R constant speed propeller (STC SA00718LA or 17 others). Effective Oct 14, 2005. Named in the applicability

## Approved models (6)

- Textron Aviation Inc. 65 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Textron Aviation Inc. E50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Textron Aviation Inc. F50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Textron Aviation Inc. G50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Textron Aviation Inc. H50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))
- Textron Aviation Inc. J50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))

## 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: SA1-503 This certificate issued to: 1555 Corporate Woods Pkwy. BFGoodrich De-Icing Systems Uniontown, OH 44685 Part * of the * Regulations. * Original Product -Type bertificate Number: * * See attached FAA Approved Make: * Model List (AML) No. SA1-503 for list of approved airplane Model: * Models and applicable airworthiness regulations.

Installation of BFGoodrich Electrothermal Propeller De-Icing System in accordance with BFGoodrich Installation Manuals as listed on AML SA1-503, or later FAA approved revision.

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

2. BFGoodrich Airplane Flight Manual Supplement as listed on AML SA1-503, or later FAA approved revision, is required on board for operation of the modified aircraft.

3. The placard, "Warning - This aircraft is not fully equipped for (Continued on Page 3) rendered, suspended, revoked, or a termination date is sherwise established by the Administrater of the Federal Aviation Administration .

Date of Application: August 19, 1960 Sule wissued: March 1, 1996 Date of Issuance: September 22, 1960 Sale umended: october 18, 1961

FEDERAL AVIATION charies L. Shaluey ure, DOMINI STRANDT Manager, Systems & Flight Test Branch Chicago Aircraft Certification Office (Title)

47.

**FAA FOR 8110-2 (10-68)**

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA2-503 Limitations and Conditions: (Continued from Page 1):

4. This system is applicable to aircraft with generator capacity sufficient to allow the addition of 22 amps for continuous prop de-icing per electrical load analysis by Civil Aeronautics Manual 18, Section 18, 30-12(i).

5. A copy of this Certificate and AML No. SA1-385 reissued on March 1, 1996, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

...END.. END...

47.

**PAGE 3 OF 3 PAGES C FAA AC 82-03578**

FEDERAL AVIATION AGENCY Supplemental Type Certificate

**1. NAME AND ADDRESS OF APPLICANT FORM APPR, JED, BUDGET BUREAU NO. 04-R015**

**INSTRUCTIONS TE TO LOCAL**

**FAA FLIGHT STANDARDS INSPECTOR**

**COPY WILL BE RETURNED TO APPLICANT UPON**

ISSUANCE 2- Supplemental Type Certificate APPLIED FOR:

The B. F. Goodrich Company AI BCRAFT ENGINE PROPELLER 500 So. Main Street ORIGINAL, MODEL DESIGNATION Akron 18, Ohio • Beech E50; , F50, G5O, H50, J50; 65 NEW MODEL DESIGNATION (If desired)

3. DESCRIPTION OF CHANGE Install electrothermal propeller de-icing system.

Report No. 60-721A- Installation Manual Dated 9-20-61 Report No. 59-728 "Installation Manual. Dated 12-31-59 Report No. 60-730A- "B.F.Goodrich Supplement No. 1.FIt. Manual Dated 9-20-61 Report No. 60-731 - Electrothermal Prop Blade De-Icing System Dated 8-3-60 Report No. 60-728 'Electrical Load Analysis Dated 8-4-60 * Report No. 60-729 - "Bench Test. Dated 8-3-60 Report No. 60-723 - "Load, Test. Dated 7-22-60 Report No. 60-713 - Programmer Timer , Dated 5-4-60 Warning Placard: This aircraft is not fully equipped for flight in icing conditions.

This system is applicable to aircraft which have generator capacity sufficient to allow the addition of 22 amperes for continuous prop de-icing. This is to be determined by an electrical load analysis in accordance with Civil Aeronautics Manual 18, Section 18, 30-12(%).

#a. WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS1 YES NO

b. WILL PARTS BE MANUFACTURED FOR SALE (Ref. CAR 1.55)1 A YES NO

5. SIGNATURE AND TITLE OF APPLICANT W. K. Helmann

SIGNATURE October 9, 1961 Section Manager, Electrical De-Icer Engrg.

Date of Application: TITLE

6. To be Completed by FAA N. RE AND LOCATION OF DATA The data listed paster? engineering files.

Sections 3 and 6 of this Certificate are located in Federal Aviation Agency/Region-

dated 7-29-60.

Beech Engineering Report 1839 - Direct Current Electrical Load Analysis.

B. F. Goodrich Bill of Materials Drawing No. 2E1124 dated 8-18-60.

d• B. F. Goodrich letter dated 8-4-61 with attachment letter 907-156 Beech Aircraft Corp•

e. B. F. Goodrich letter dated 10-9-61 with attachment letter 909-11 Beech Aircraft Corp. (See other side) ORIGINAL TYPE CERTIFICATE NO FAA APPROVAL:

5A4-Models E50,F50,G50, H50, J50, 3A20-Mode1 65 Supplemental Type Certificate NO.

Supersedes SA1-503 dated 9-22-60 SIGNATURE DATE OF APPROVAL J. G. Saure, Chief October 18, 1961 Engineering and Manufacturing Branch TITLE * U.S. GOVERNMENT PRINTING OFFICE: 1959 0-509657 FORM FAA - 2417(5-59)

This change adds Beech Models J50 and 65 to the original SIC. Also added Warning Placard ¿This Aircraft is not fully, equipped for flight in icing conditions" in section 3.

In lieu of original applicability statement for aircraft with two 50 amp generators or greater, limitation has been revised to indicate applicability for aircraft with generator capacitor sufficient to allow addition of 22 ampheres for continuous prop de-icing. TU • 08 000 SOLO LICEn

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### SA1-503_AML.pdf

This is OCR from the scanned FAA attachment. OCR can misread letters and numbers.

**FAA APPROVED 1 L LIST (AML) NO. SA1-503**

**BFGOODRICH DE-ICING SYSTEMS FOR**

INSTALLATION OF ELECTROTHERMAL PROPELLER DE-ICING SYSTEM Issue Date: September 22, 1960

**INSTALLATION**

**INSTRUCTIONS**

**ORIGINAL CERTIFICATION**

**BASIS REVISION AFM AML AIRCRAFT AIRCRAFT CERTIFICATE FOR NO. SUPPLEMENT AMENDMENT**

ITEM MAKE MODEL NUMBER ALTERATION NUMBER AND DATE NUMBER/ DATE DATE 1 Beech 850, F50, 5A4 CAR Part 3 and 59-728 12/31/59 Report No. N/A Aircraft G50, H50, Amendments and and 60-730A, Corp. J50 Listed in TCDS 60-721A 9/20/61 9/20/61 5A4 2 Beech 65 3A20 CAR Part 3 and 59-728 12/31/59 Report No. N/A Aircraft Amendments and and 60-730A, Corp. Listed in TCDS 60-721A 9/20/61 9/20/61 3A20 FAA Approved:

Manager, Systems & Flight Test Branch Chicago Aircraft Certification Office Page 1 of 1

## Every issue (2)

- March 1, 1996: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/40/a9/40a9fb64559c9b386849919e8eebe375149ee0bd2ff5b607eee89bc3ad88a5dd), [SA1-503_AML.pdf](https://openairdocs.org/files/sha256/11/ce/11ceacff1111f4430f75a190effdd347b6424d2e05ce7a81afb7cc1ed6850676)
- October 18, 1961: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/7b/ff/7bffe945fddb015cc24cc85b473e818d742416991b5d423f4c1d70643d32667e)

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