# STC SE769NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Siam Hiller Holdings Inc, United States
- Description: Installation of Soloy Part No. 250-1001-1 fuel line.
- Applied: March 14, 1979
- Status date: April 15, 2009
- Product: Engine
- Certification basis: Part 13, Part 21
- Data sheets: [TCDS E4CE](https://openairdocs.org/tcds/E4CE)
- Certificate PDF: https://openairdocs.org/files/sha256/ac/2b/ac2bd1d0b46cd1b3ed33c6270a145cb07be2855d33258f4c674ad4f16e121460
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F831DAB722A6F188862575AF0049D8C1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE769NW

## ADs that name it (0)

None.

## Approved models (3)

- Allison Engine Company Inc. 250-C18 ([TCDS E4CE](https://openairdocs.org/tcds/E4CE))
- Allison Engine Company Inc. 250-C20 ([TCDS E4CE](https://openairdocs.org/tcds/E4CE))
- Allison Engine Company Inc. 250-C20B ([TCDS E4CE](https://openairdocs.org/tcds/E4CE))

## 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.

;mniten ,;Stutes @f ci\mericu ~cpnrtmcltt of Wrnltsportntiolt - Jffcocrnl j\&intiolt j\omiltistrntiolt ~upplem.ental m~p.e QI.ertifirat.eThis certificate has been reissued to replace the original certificate reported as lost.

./f~(!fY< SE769NW :fZ;.;'C;"/U;kcDL~i.N<'NY//~ Siam Hiller Holdings, Inc.

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E4CE Rolls-Royce 250-CI8,250-C20,250-C20B .r»;,.)C"'f'd'Uvi <y.~/'~.r»;'';~/I ~~//~,. ..' Installation of Soloy Part No. 250-1001-1 fuel line in accordance with Soloy Corporation Master Drawing List 250-100 as revised August 22, 1990, Service Instruction No. 25001 as revised August 21, 1990, and later FAA approved revisions.

2?wn,dr.du'/w wv/'t/cw./uuvw' Approval of this change in type design applies basically to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of these aircraft. A copy of the STC must be included in the permanent records of the modified engines. If the holder 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. See page 3 for additional limitations and conditions .

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Ju/'/wt/unod J</<YN'/vakd /'P.///."t,dw' a e0/'//u?vL-/U'/b dO:.k iJ. ",d/'«,iJ~ r,)k.l'..tfdJ/t>d fY/,{j..,/bd/bwbiJl/-auy' 0/d .tj?;dI>/'t7../~rH.u"!u'n .~d/b.¥biJl/-a/U'/h March 14, 1979 July 26, 1979 !i4p,/'/0;J<Lr$ 03/22/91; 11/30/95; 06/17/99;

08/19/05, 04/15/09 Supervisor, echnical & Administrative Support Staff. Los Angeles Aircraft Certification Office (Title) )lny a{terationof tfiiscertifUateispunisrUl6fe6yajim of not e.x:s:eeain8$1,000, orimprisonmentnot e.J(ceedi.nB3 years,or 60tfi.

FAA Form 8110-2(10-68) 1 of 3 'l1iiscertifUatemay6etransferreain accoraancewitli '1")1.'1(21.47.

TRANSFER ENDORSEMENT Transfer the ownership of the Supplemental Type Certificate Number _ to (:Nameof traizsjeree) _ (JId'd'ressof transjerJ _ ('Num6er aruf street) ((ity, State, aruf Zip coae) from (:Nameofgrantor)(Print or type) _ (JId'd'ressofgrantor) ('Num6er aruf street) (City, State, aruf Zip coae) Extent of Authority (if licensing agreement): _ Date of Transfer: _ Signature of grantor (In inkJ: _ 2 of 3

illinilei'l ~lal£5 <IDfci\mcricll glcpnrimrnf of Wrnnsporintion - J1fcacml c-i\&intion J\aministrntion ~uppI£m£ntaI m~p£ QI£rtifirat£ (([ontinuatinn ~~£et) SE769NW Certification Basis:

Part 13 of the Civil Air Regulations (CAR) effective June 15, 1956, as amended by 13-1 through 13-3 and Exception No. 219 from CAR 13.211, Regulatory Docket 1337 dated August 6, 1962.

Eligible Engines:

Engines to be modified in accordance with this STC must have the Bendix Control System Model DP-N1 or DP-N2 gas producer fuel control and Model AL-AA1 power turbine governor, and Sundstrand Model 024918 or TRW Model 386500 single element fuel pump installed.

Soloy Part Number 250-1001 fuel line replaces Rolls-Royce Part Number 6859172 only.

- END- )lny a[teratum of tliis certificateispunislia6fe 6y afille of 1I0tex:.ceetfillB$1,000, orimprisollmellt1I0te:x;reetfillB3 years,or 60tli.

FAA Form 8110-2 (10-68) 3 of 3 'T1iiscertificatemay6e transferredin accordancewitli 'F)I'1(21.47.

## Every issue (2)

- April 15, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ac/2b/ac2bd1d0b46cd1b3ed33c6270a145cb07be2855d33258f4c674ad4f16e121460)
- August 19, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/16/4c/164cf76d9d391bb8b44f6f6a1a2ffb26f8d3c8ba27e80a5d8a6a2e00c096bdb9)

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