# STC SE54WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Alvin L. Bennett 
% Aero Dyne Corporation, United States
- Description: Installation of Continental 0-470-A cylinder assemblies on a Continental 0-470-K engine.
- Applied: August 23, 1971
- Status date: August 23, 1971
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E-273](https://openairdocs.org/tcds/E-273)
- Certificate PDF: https://openairdocs.org/files/sha256/59/f1/59f125e8e24a988fd1149040eb806096ab7924911c6c28720ab43c336217192c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D16643BDE7B9CC3E86257360006F5520.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE54WE

## ADs that name it (0)

None.

## Approved models (1)

- Teledyne Continental Motors O-470-K ([TCDS E-273](https://openairdocs.org/tcds/E-273))

## 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.

-=. -- flcpJrtmcntof'[:rJllllportJtionfcdCfJI7l\lIJtlonadmlnlstrJtlon ~upplcmcntal1[~pcQ:crtificatc W£-/o.z .4'J ,.,"/y,r,u'•.~•.;;.;•.,...,,//... Alvin L. Bennett %Aero Dyne Corporation 300 AirportWay Renton,Washington oI"/0~.) Ihollh .. rhony ..'..'n IhF Iy/' ..',,~,;"y'"1-'1"Ih, ;-//'''''''''y /N",/,ul .....,,/~ 1,1,•. /,>..,•.1.•./.."..,.; N",,/ r, "'0/,/,""'.)

,/ I/', CivilAir E-273 .11",1, Continental . It,/'/ 0-470K r' _ "/- r/ ./1/ Y".;rI"0/ ....'n 'I' /Y/'"-/ "-,;'yn ,)"'''..,Y..., Installationof Continental0-470-A cylinderassemblieson a Continental 0-470-Kenginein accordancewith Alvin L. BennettDrawingALB-1,dated 30 September1971.Engineratingsare the same as those approvedfor thp 0-470-A.

A copy of this certificateshallbe maintainedas part of the pel~anentrecords ~~fied. Oil coolerthermalunit, P,/N53445-D,must be used with thismodifiedengine. The approvalof this changein type designapplies basicallyto the abovemodel engineonly. This approvalshouldnot be extended to otheraircraftenginesof this model on which otherpreviouslyapproved modificationsare incorporatedunless it is determinedby the installerthat the interrelationshipbetweenthis changeand any of those otherpreviously approvedmodificationswill introduceno adverseeffectupon the airworthiness of this engine• ./},.'; r..,.I"!,,.,,;, "..,,/1,1,...;0/0""/''''1'' ,/,,1., o.h..r,l, ,.; Ih .. /..,.J",')I-,.'v0N""'I.;;/,,,,// ,...NIIN'" •• " ••// •• ,-10,,/,/.;0,.- 23 August 1971 14 January1972 Acting ChiefAircraftEngineering-Field-Qfi~-46( /111,.

An) (II/no/IMI (~r/flu (ntl/I((l!(, 15 /JU1/1I!tflh/1' hJ (/ lint' '!l fI"! nu-nhllg SI,()()(). (II llulnlJlJll!!/nlt 'IPt nUl'dUlI!. j I".", (1/ ;'flt!;.

Fv. FOI'" 81 10-2 (1 0-68f

## Every issue (1)

- August 23, 1971: Issued, Current. [certificate](https://openairdocs.org/files/sha256/59/f1/59f125e8e24a988fd1149040eb806096ab7924911c6c28720ab43c336217192c)

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