# STC SA3206NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: ROBERTSON FUEL SYSTEMS LLC, United States
- Description: Installation of an automatic fuel spillage valve to improve crashworthiness.
- Applied: July 29, 1981
- Status date: July 19, 2011
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- Certificate PDF: https://openairdocs.org/files/sha256/07/76/07767bda46e53803affb4342c9521f4f9168d98224a32989503e320d56cc6dfb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7A6EB13B536763D4862578E2004DD64A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3206NM

## ADs that name it (0)

None.

## Approved models (8)

- The Cessna Aircraft Company 185 ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company 185A ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company 185B ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company 185C ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company 185D ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company 185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

## 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.

This Certificate issued to

ROBERTSON FUEL SYSTEMS LLC 800 West Carver Road, Suite 101 Tempe, Arizona 85284 Part 3 of the Civil Air Regulations.

3A24 Cessna

185, 185A, 185B, 185C, 185D, 185E, A185E, A185F Description of Type Design Change : Installation of an automatic fuel spillage valve to improve crashworthiness in accordance with Robertson Avia tion FAA approved Master Drawing List No. MDL- C185 dated October 22, 1985, or la ter FAA approved revisions. For airplane flight manual (AFM) requirements see continuation on page 3.

Limitations and Conditions : The approval of this change in type design applies to the basic aircraft of the specified model that is otherwise unmodified. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder sh all give the other person written evidence of that permission.

Date of application : July 29, 1981

Date of issuance : November 27, 1985

Date reissued : June 28, 2006, July 19, 2011

( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title)

NOTE:

**DO NOT DELETE THIS PAGE.**

**DO NOT ADD ANY DATA TO THIS PAGE.**

**THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.**

Number SA3206NM

Description of Type Design Change: continued:

For Cessna Models 185, 185A, 185B, 185C, 185D, 185E, A185E and A185F (S/N 632, 652, 185-0001 through 185 03683 except 18502300), Roberston Aviation, In c. Supplemental AFM No. 1, dated November 27, 1985, or later FAA approved revisions is required.

For Cessna Models A185F (S/N 18502300, 18503684 and on) Robertson Aviation Inc. Pilots Operating Handbook and FAA Approved AFM Supplement No. 1 to Cessna Model A185F Airplane POH-AFM, dated November 27, 1985, or later FAA approved revisions is required.

-END-

## Every issue (1)

- July 19, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/07/76/07767bda46e53803affb4342c9521f4f9168d98224a32989503e320d56cc6dfb)

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