# STC SA278SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Exhaust stack installation
- Applied: September 4, 1963
- Status date: August 31, 2000
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-723](https://openairdocs.org/tcds/A-723)
- Certificate PDF: https://openairdocs.org/files/sha256/0f/fd/0ffd05ed0b1d4d4b20abed7e6bd0955084dd7d3a38ff61f58939ddae281f6035
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D37073C80CB1578086257D9A00776C9D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA278SW

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Martin Aeronautics Company 18 ([TCDS A-723](https://openairdocs.org/tcds/A-723))

## 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.

09f ,Ainrrira Department 0£ ^transportation - general Rotation ^ministration upplemmtal Certificate SA278SW signature Flight Support Corporation, a Delaware Corporation 7511 Lemraon Avenue, Hangar C Dallas, TX 75209 Me atf<t«>f>£faju*l& tvpajpesrmnti. 4 a C 1 VI 1 Al r 723 Lockheed Exhaust stack installation in accordance with Aerodyne Engr. Corp. Drawing List Titled "Siamese Stacks Installation - Lodestar" dated 7/15/63 Revision 1 dated 9/8/64, or later FAA approved revision.

STC SA225SW or SA2-767 pressure cowl modification is required.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

.- September 04, 1963 November 06, 1963 ; 12/21/98; 8/31/00 *'.-February 25, 1982 Rev. 7 .38 lt / {Signature) "S. Frances Cox ff Manager, Special Certification Office, Southwest Region '""'" (Title) Any flttration of thij certificate is puniiflflble by 1 tilt a! not exceeding 51,000, or inpriiomwnt not eicssdlns 3 years, or both.

INSTRUCTIONS: Tha transfer endorsement below may be used to notify the appropriate FAA Regional Office of the transfer of tha Supplemental Type Certificate.

The FAA will reissue tha certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) {Number and street) (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) {Number £ street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink)

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0f/fd/0ffd05ed0b1d4d4b20abed7e6bd0955084dd7d3a38ff61f58939ddae281f6035)

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