# STC SA510NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries Inc, United States
- Description: Installation of Cessna fuel tank cap assembly.
- Applied: August 25, 1977
- Status date: July 31, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A7SO](https://openairdocs.org/tcds/A7SO)
- Certificate PDF: https://openairdocs.org/files/sha256/a3/68/a3683bee8b1e089e07f24328a2915049e3f50b4a1d95063cc7ccc87ffc5bb98e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/14406A1C3FAA768F8625871E00583B48.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA510NW

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-34-200 ([TCDS A7SO](https://openairdocs.org/tcds/A7SO))
- Piper Aircraft Inc. PA-34-200T ([TCDS A7SO](https://openairdocs.org/tcds/A7SO))

## 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 (5/14) Page 1 of 3

Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced.

Number: SA510NW

Part 3 of the Civil Air Regulations.

Original Product – Type Certificate Number: A7SO Make: Piper Model: PA34-200 and PA34-200T

Installation of Cessna fuel tank cap assembly in accordance with the following Cessna P/N in accordance with Robertson Aircraft Drawing No. FCI-1.

**OPTION I OPTION II**

a. 431-9 Cap Assembly a. 0721303-29 Cap Assembly

b. 431-159 Adapter Assembly b. 0721303-21 Adapter Assembly

c. 452-16-6 Lanyard

NOTE: This modification provides a flush mounted fuel cap configuration.

Date of Application: August 25, 1977 Date Reissued: 11/8/84; 10/10/86; 9/8/05; 7/31/17 Date of Issuance: August 30, 1977 Date Amended: October 25, 1977

Signature

Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division Sierra Industries, Ltd.

122 Howard Langford Drive Uvalde, TX 78801

FAA Form 8110-2 (5/14) Page 2 of 3

Transfer the ownership of Supplemental Type Certificate Number: SA510NW

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA510NW

FAA Form 8110-2 (5/14) Page 3 of 3

Date of Issuance: August 30, 1977 Date Amended: October 25, 1977 Date of Reissuance: July 31, 2017

Approval of this change in type design applies basically to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications , including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft.

-END-

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA510NW

FAA Form 8110-2 (5/14) Page 4 of 3

## Every issue (2)

- July 31, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a3/68/a3683bee8b1e089e07f24328a2915049e3f50b4a1d95063cc7ccc87ffc5bb98e)
- September 8, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/43/c6/43c689c19f988d92895fe21e52de4078eeec8d0f7255dcf05bd81f1a94c9fc19)

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