# STC ST686SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Saint-Gobain Performance Plastics Corp, United States
- Description: Installation of Radome.
- Applied: September 23, 1969
- Status date: July 23, 2001
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- Certificate PDF: https://openairdocs.org/files/sha256/14/d6/14d6cf1689fad6b3c780705c9b9a987fd6a036b720474925c40c25f179b665f2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171329297820230522144242.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST686SO

## ADs that name it (0)

None.

## Approved models (9)

- The Boeing Company 737-100 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-200 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-200C Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-300 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-400 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-500 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-600 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-700 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-800 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

## 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.

IJ7c/ ~nilcll J3tuuo of ci\nuriui _S/y.__'30/9 CJ./ - ] ~epartment of 'IDrn:nsportntion -- JI!'eberal J\nhtiion J\btninistration ~upplemental ffi~p£ 01£r±ifi.cat£ Saint-Gobain Performance Plastics Corporation .

335 N. Diamond Street Ravenna, Ohio 44266 ~_;4',,u. d'od d',,, dOAfU' u,, d',,, ~/2" r/4.J~ ,,4,,. d',,,/l,/duoin.p fal"Mhu;.t' uud //4 dn1t~auc-.nJ-,:uu/ co~/"IJ &/~r a.> .y,=/u,d~Am~ d',, a~o,dVZ<>JJ n 1p,uvenu,.n/.J ,,/9ii-;.t'25 o/bf,,, Federal A via tion ~(See Type Certificate Data Sheet A 16WE for complete certification basis. ) &~~- .~/l" We,a~ ./Vant&,,..· Al6WE Aa.&.· Boeing AorM.· 737- 100, 737-200, 737-200C, 737-300, 737-400, 737-500, 737-600, 737-700, 737-800 Series ~~o/~fl" ~~ Wf'a,,zp.· Installation of Radome in accordance with Norton Company Installation Instructions NI-4100, Revision W, dated June 27, 200 I, or later FAA approved revisions.

Zvm~n.J. ~W~n.J. .· I. Compatibility of this design change with previously approved modifications must be determined by the installer.

2. This approves only the installation of the radome and does not include the antenna mounting bracket and the radar system.

3. For transmission efficiency data refer to Installation Instructions NI-4100, Revision W, dated June 27, 2001, or later FAA approved revisions.

4. lftbe bolder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

~ce.,w/-eca&:. ~~ .SU/J.,U,~ ruuo, m./'J ~ ~ tfa.w ,,4,,. 0/J/V'<Wa/ .s.4'a&'n,,main, in, #d ~ ~.Ja.y,~ AWb,,(d o/' a k..-,nuna/.uvi , rla/4 ~ o~:U, e.J/~r/ ~ d't, JbrMWUJ/.K<uo,-. o/6fo !7~Jbo«d«7fl ..ArMt~ .

.@°td9 o/o/1~ .- September 23, 1969 ~au o/~~ .-January 27, 1970 f?lfa/8,eiJJ1UJ<6: March 13, 1974;July9, 1995;

December 5, 2000 ~a.r,, anu'n~.· June 2, 1976; October 28, 1976;

March 16, 1988; January 11, 1991; April 8, 1991; July 9, 1995;

July 23, 2001 Manager, A1rtrame an<l A<lm1mstrauvc mancn ChicJgo l\i rcraft Ccni ficat ion Office Any alter.it1on of tbjs cerc 1t1 cate is pun i shable by a fin e of not exceedi ng SJ1 000, or lmprisorune nc noc exc:ced1ng J ye(lrs. o:- boc.h .

This cectffl cat e m..1;: be transfe rred .tn accord3nce vJth f'"A? 2J.f7.FM FOAM Bll0•2 ll0 -68) PIICE l of 2 PACES L

## Every issue (1)

- July 23, 2001: Amended, Current. [certificate](https://openairdocs.org/files/sha256/14/d6/14d6cf1689fad6b3c780705c9b9a987fd6a036b720474925c40c25f179b665f2)

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