# STC SA648NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Kenneth L Olinger, United States
- Description: Shorten wings by removing just the tip bows, and adding stronger wing struts and fuselage strut brackets
- Applied: August 1, 1978
- Status date: August 3, 1978
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-759](https://openairdocs.org/tcds/A-759)
- Certificate PDF: https://openairdocs.org/files/sha256/44/8a/448a884615db356c2f133aba8ea4d1cbaa71dcdb80f0c968d48483b36c692ea4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/49A355A60F416C7386257A40006A9E1D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA648NW

## ADs that name it (0)

None.

## Approved models (1)

- American Champion Aircraft Corp. 7AC ([TCDS A-759](https://openairdocs.org/tcds/A-759))

## 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.

limtr~ ,statts of 9Jncnra Prparrmrntoft:ransporrarion-frdrral 3tJiariongdminisrrarion ~upplCmcnt91~gpc(tCrtific9tc~rc SA648NW KENNETHL. OLINGER 4 a "I'.d~ Civil Air

- ;'" (- -. / C~ju'~t.Q/'--'/.:v~~~/-.~;;" "6.•..~0co;....,11.uul/.,".

. ltd, ./t.-k/ A-759 Aeronca 7AC q GU'0",'nP;..~q~"'j-'n~"'~~.. Shorten wings by removing just the tip bows;

and adding stronger wing struts and fuselage strut brackets, in accordance with Kenneth L. Olinger Drawing Numbers I, 2, and 3.

~,u;la;:';'.n..j And(;;~u£~;'.nJ : Data pertaining to thi s modi fi cation are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Aeronca 7AC, Serial Number 7-AC 6399 only. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft.

August I, 1978 August 3, 1978 Chief, Engineering and Manufacturing.Branch (11l1r) A ,?Jal/nattCJn of /his ur'ijlrolr is pun/shaM, bl a fir/( of not (:l{udltlf. SI,000, OT,"/1,'/11iso1l11lt'ntn(lt nurdln.1!. 3YOnTS, 0' buth.

ThlJ (n/!fi,-atf 11/,,!'Ix "lJ,ufnud In (J<((J"tJ,,(( illth J-.1H 2/.47.

fAA roo-.••1110- 2 (10-61)

## Every issue (1)

- August 3, 1978: Issued, Current. [certificate](https://openairdocs.org/files/sha256/44/8a/448a884615db356c2f133aba8ea4d1cbaa71dcdb80f0c968d48483b36c692ea4)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
