# STC SA1-385

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: BF Goodrich Aerospace, United States
- Description: Installation of B.F. Goodrich lightweight reservoir type pneumatic de-icing system.
- Applied: July 2, 1959
- Status date: March 1, 1996
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4), [TCDS 6A1](https://openairdocs.org/tcds/6A1)
- Certificate PDF: https://openairdocs.org/files/sha256/e4/0f/e40fcdbb315db244bfce98d0b27163eaa87ecb7a344b2b7d94fc84ff5b10f57d
- Approved model list and other attachments: [SA1-385_AML.pdf](https://openairdocs.org/files/sha256/68/32/6832135558389ac203e2fa9813c85d9e3719d768634604278c2db016e103b240)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140713537420230519142438.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1-385

## ADs that name it (0)

None.

## Approved models (11)

- Twin Commander Aircraft Corporation 500 ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 500-A ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 500-B ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 520 ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 560 ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 560-A ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 560-E ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 560F ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 680 ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 680-E ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft Corporation 680-F ([TCDS 2A4](https://openairdocs.org/tcds/2A4))

## 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: SA1-385 This certificate issued to: BFGoodrich De-Icing Systems 1555 Corporate Woods Pkwy.

Uniontown, OH 44685 Part * of the * Regulations: * Original Product - Type bertificate Number: * * See attached FAA Approved Make: * Model List (AML) No. SA1-385 for list of approved airplane Model: * Models and applicable airworthiness regulations.

Installation of BFGoodrich Lightweight Reservoir Type Pneumatic De-Icing System in accordance with BFGoodrich Installation Manuals as listed on AML SA1-385, or later FAA approved revision.

Limilalionsandbandilions: 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 SA1-385, or later FAA approved revision, is required on board for operation of the modified aircraft. 3. 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 adi ped ai ge a tiring dal which is the los for approval shall main ineffel until sur rendered, suspended, verked, or a lermination date is sherwise es tablished by the Administrator of the Federal Aviation Administration .

Date of Application: JU1Y 2, 1959 Jule wissued: March 1, 1996 Date of Issuance: January 30, 1961 Jaleumended: March 3, 1961 FEDERAL AVIATION OR. istrates TOMINIST RAID Manager, Systems & Flight Test Branch Chicago Aircraft Certification Office (Title)

### SA1-385_AML.pdf

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

January 30, 1961 AML AMENDMENT DATE N/A N/A Issue Date: AFM SUPPLEMENT NUMBER/DATE 58-131C, dated 1/30/61 58-131C, dated 1/30/61 , LIST (AML) NO. SA1-385 BFGOODRICH DE-ICING SYSTEMS INSTALLATION OF LIGHTWEIGHT RESERVOIR TYPE SYSTEM INSTALLATION INSTRUCTIONS REVISION NO. AND DATE NUMBER 3/17/61 58-130-E 4/10/59 57-105-B FAA APPROVED MODEL FOR PNEUMATIC DE-ICING CERTIFICATION BASIS FOR ALTERATION CAR Part 3 and Amendments Listed in TCDS 6A1 FAR 23 and Amendments Listed in TCDS 2A4 FAA Approved: Page 1 of 1 ORIGINAL TYPE CERTIFICATE NUMBER 6A1 2A4 AIRCRAFT MODEL 500, 500-A, 500-B, 520, 560, 560-A, 560-E, 560-F 680, 680-E, 680-F AIRCRAFT MAKE Commander Commander Twin Twin ITEM

## Every issue (1)

- March 1, 1996: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e4/0f/e40fcdbb315db244bfce98d0b27163eaa87ecb7a344b2b7d94fc84ff5b10f57d), [SA1-385_AML.pdf](https://openairdocs.org/files/sha256/68/32/6832135558389ac203e2fa9813c85d9e3719d768634604278c2db016e103b240)

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