# STC SA7591SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Rare Aircraft Ltd, United States
- Description: Install a Schweizer fuel shut-off valve.
- Applied: March 29, 1989
- Status date: July 1, 2014
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-743](https://openairdocs.org/tcds/A-743)
- Certificate PDF: https://openairdocs.org/files/sha256/94/ac/94ac6edfd2bc205a7fec4d10c090e90d7d22cad20d7479e23148dd6e36cfd98a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1086B604AEBB160A86257D15004A6C6B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA7591SW

## ADs that name it (0)

None.

## Approved models (3)

- Boeing Airplane Company Wichita Division A75N1 (Army PT-17; -17A; Navy N2S-1; -4) ([TCDS A-743](https://openairdocs.org/tcds/A-743))
- Boeing Airplane Company Wichita Division B75N1 (Navy N2S-3) ([TCDS A-743](https://openairdocs.org/tcds/A-743))
- Boeing Airplane Company Wichita Division D75N1 (Army PT-27) ([TCDS A-743](https://openairdocs.org/tcds/A-743))

## 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

Part of the

Signature

Title 2 SA7591SW Rare Aircraft Ltd 3401 Highway 21 West Faribult, MN 55021 Civil Air Regulations 7A Install a Schweizer fuel shut-off valve in accordance with STC Engineering Drawing List DL 890001 dated March 23, 1989, or later FAA approved revisions.

Compatibility of this modification with previously installed equipment must be determined by the installer.

Melvin Taylor, Manager Atlanta Aircraft Certification Office Boeing (Stearman) A75N1, B75N1, D75N1

March 30, 1990; July 1, 2014

March 29, 1989 May 4, 1989 A-743

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

To (Name and address of transferee)

From (Name and address of grantor)

2 SA7591SW

## Every issue (3)

- July 1, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/94/ac/94ac6edfd2bc205a7fec4d10c090e90d7d22cad20d7479e23148dd6e36cfd98a)
- March 30, 2014: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/65/1d/651d39030e2874be2057695bc6b618402b8c3b4f1016fb41210fe52f4e12b7ca)
- March 17, 2014: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/65/1d/651d39030e2874be2057695bc6b618402b8c3b4f1016fb41210fe52f4e12b7ca)

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