# STC SA248SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of fiberglass propeller spinner on aircraft equipped with 33D50 or 23E50 Hamilton Std. propeller hub.
- Applied: April 26, 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/d0/63/d063ec9ae6b322bddcf4a267c0c65ae0517702291de2ea387a1e5664608d3da4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D9FAF3241883F53086257D9500549E76.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA248SW

## 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.

of transportation - ^eoeral ^fetation .Afmuntslratum (Certificate Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 snee£i £r(e # Civil Air 723 Lockheed 18 Installation of fiberglass propeller spinner on aircraft equipped with 33D50 or 23E50 Hamilton Standard propeller hub in accordance with Aerodyne Engineering Corp. Drawing List Revision 2 dated 6/10/63, or later FAA approved revision.

This installation is approved in combination with STC SA225SW (Pressure cowling) and standard Lockheed 18 cowling. Additional approvals will require substantiation of engine cooling.

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

April 26, 1963 13, 1963 .- 9/4/92 ; 12/21/98; 8/31/00 .' February 25, 1982 Rev. 7 (Signature) f S. Frances Cox Manager, Special Certification Office, Southwest Region (rate) Any *Jte«tlan of thij »i-tl«cit« is punisftabl* by * tint at not e*cesding 51, ODD, oc Ixprlsonxent not =.c«aing 3 ysars, or both.

FAA Form 8110-2 (ID-SB) Page 1 of 2 csrtlflaite any be trensfened In accordance ulth FAR 21.17.

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

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

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number_ to (Wame of transferee,) (Address of transferee) (Number and street) (City, State, and ZIP code) from (Wante of grantor) (Print or type) (Address of grantor) (Number S 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/d0/63/d063ec9ae6b322bddcf4a267c0c65ae0517702291de2ea387a1e5664608d3da4)

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