# STC SA1-606

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: BF Goodrich Aerospace, United States
- Description: Installation of electrothermal propeller deicing system.
- Applied: June 30, 1961
- Status date: March 1, 1996
- Product: Aircraft, Small Multi-Engine
- Data sheets: [TCDS 6A1](https://openairdocs.org/tcds/6A1)
- Certificate PDF: https://openairdocs.org/files/sha256/a4/66/a4660fa5f238e2505ef988a17836367424f5c68867c606eaacbb970b084f4968
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183641575020230519171204.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-606

## ADs that name it (0)

None.

## Approved models (2)

- Twin Commander Aircraft Corporation 500-B ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft Corporation 500-U ([TCDS 6A1](https://openairdocs.org/tcds/6A1))

## 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 SA1-606 This certificate issued to: BFGoodrich De-Icing Systems 1555 Corporate Woods Pkwy.

Uniontown, OH 44685 Part 3g the Civil Air Regulalions. (See Type Certificate Data Sheet 6A1 for complete certification basis).

Original Product -TypeGerlificate Number: 6A1 Make: Aero Commander Model: 500-B and 500-U Description of Type Design Change:

Installation of Electrothermal Propeller De-Icing System in accordance with:

Report No. 61-772B dated 3-30-66 Installation Manual, De-Icer System Report No. 59-728C dated 6-1-64 Installation Manual, Propeller De-Icer Report No. 61-729A dated 3-30-66 BFGoodrich Supp. No. 1 (revised 3/24/67) to Airplane Flight Manuals.

Limilalions andbindilions: Required placard to be placed in ful1 view of the pilot.

Warning: This aircraft is not fully equipped for flight in icing conditions." This de-icing system is applicable only to aircraft which have generator capacity sufficient to allow the addition of 17 amps for continuous deicing. This is to be determined by electrical load analysis in accordance with AC 43.13-1 Chapter 11, Section. 2. Compatibility of this design change with previously approved modifications must be determined by the installer.

Date of Application: June 30, 1961 Jule wissued: March 1, 1996 Date of Issuance: August 23, 1961 Dale resended: March 24, 1961 FEDERAL AVIATION By Direction of the Administrator Charles L. Smalley, Malager TOMINISTRA Systems & Flight Test Branch Chicago Aircraft Certification Office (Title) 47 FAA FORM 8110-2 (10-68)

## Every issue (1)

- March 1, 1996: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a4/66/a4660fa5f238e2505ef988a17836367424f5c68867c606eaacbb970b084f4968)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.