# STC SA7493SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Rare Aircraft Ltd, United States
- Description: Install Jasco P/N 6555-1 alternator and 12 volt electrical system
- Applied: October 2, 1987
- 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/sha256/34/2c/342c812e0bf9864d2c2bdcc5928f19f40296163f3e03bdc187879432a0c558ba
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/85040B2C4BEBD58586257D160071A9B7.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA7493SW

## 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 SA7493SW Rare Aircraft Ltd 3401 Highway 21 West Faribult, MN 55021 Civil Air Regulations 7A Install Jasco p/n 6555-1 alternator and 12 volt electrical system in accordance with STC Engineering Drawing List DL88011 dated March 22, 1988, or later FAA approved revision. Also installation of Switch Panel, Alternator Blast Tube, Relay and Drain, Landing Light, Power Supply, Strobe Deflector and Emergency Locator Transmitter in accordance with STC Engineering Drawing List DL88011 Rev. 2 dated March 17, 1989, or later FAA approved revision.

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 December 6, 1989, Rev. 1 October 2, 1987 October 11, 1988 A-743

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

To (Name and address of transferee)

From (Name and address of grantor)

2 SA7493SW

## Every issue (2)

- July 1, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/34/2c/342c812e0bf9864d2c2bdcc5928f19f40296163f3e03bdc187879432a0c558ba)
- March 17, 2014: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/25/44/25444a9a8ddca54fca4ee0cc086d455015696cb10a8f86f81d07f61be4cf5779)

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