# STC SA3527NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Stewart Thomas D., United States
- Description: Increases length of each fuel tank by 9 inches to provide an increase in fuel volume of approximately 6 gallons per wing.
- Applied: January 15, 1986
- Status date: July 9, 1986
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS 1A6](https://openairdocs.org/tcds/1A6)
- Certificate PDF: https://openairdocs.org/files/sha256/2f/45/2f456979fae673cb29e97fe22f73c8eb5e11a1a27920093cc608ab99d0b13983
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C550C6D7E381FE8C862579D6006F5A1B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3527NM

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-22-150 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))

## 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: SA3527NM This certificate issued to: Thomas D. Stewart Part 3 if the CIVII Air Regulations Original Product - Type bertificate Number: 1A6 Make: Piper Model: PA-22-150 Description of Type Design Change:

Increase length of each fuel tank by 9 inches to provide an increase in fuel volume of approximately 6 gallons per wing in accordance with T. D. Stewart drawing Fuel Tank Modification for Piper PA-22-150" dated 4/10/85.

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Piper PA-22-150 Serial Number 22-5250 only. A copy of this Certificate, shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: January 15, 1986 Date Reissued: .

Date of Issuance: . July 9, 1986 Date Amended:

FEDERAL AVIATION By Direction of the Administrator * TOMNIS RATOR Acting Manager, Certification Office ( Title )

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) JuLy 9, 1986 Number SA352719 Supplemental Type Certificate ADDENDEM NO. SA3527NH The Conditions and limitations of Type Certificate Data Sheet (TCDS) Number 1A6 apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of SIC SA3527NM, prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Federal Air Regulations.

Supplemental Type Certificate HOLDER: Thomas D. Stewart Model Piper PA-22-150 Fuel Selector Placard:

**USEABLE FUEL LEFT TANK 22.2 GALLONS RIGHT TANK 22.1 GALLONS**

47.

## Every issue (1)

- July 9, 1986: Issued, Current. [certificate](https://openairdocs.org/files/sha256/2f/45/2f456979fae673cb29e97fe22f73c8eb5e11a1a27920093cc608ab99d0b13983)

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