# STC SH3301SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Enviro Systems Inc.
- Description: Installation of a Freon Air Conditioning System in accordance with Aero Aire Corporation Master Drawing List No. 500R010, Rev. 2, dated 5/26/1992, or later FAA approved revision.
- Status date: June 20, 2003
- Data sheets: H3WE, H3WE
- Certificate PDF: https://openairdocs.org/files/sha256/46/19/4619626a77b8e03330fe942d920c5d4aa318b6708be6384f90a6f0e7af379482
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102618225420230508174006.0001
- Page: https://openairdocs.org/stc/SH3301SO

## ADs that name it

None.

## Approved models (2)

- MD Helicopter Inc. 369E (TCDS H3WE)
- MD Helicopter Inc. 500N (TCDS H3WE)

## 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.

ilthie~r$tu±eznf merica pitr±mett nf Cr zpnrtthnxt -- iiril tthrn mithfrathn $ipLemfltta1 gju Ledftca±i SH330iSO . 4' EnviroSystems,Inc.

4000 Hwy. 99 N..

Seminole,OK 74868 di (ófh/ d/eO/O(d %On (/dCo/Z(&OF/&.$ - et c&/w d /Ae ,efreme'd /t 6c/ CivilAir - 4A4 - H3WE McDonnellDouglasHelicopterCompany 369E,500N /e e4 Installationof a FreonAir ConditioningSystemin accordancewithAero Aire CorporationMasterDrawing ListNo. 500R010,Rev.2, dated5/26/1992,or laterFAAapprovedrevision.

z4it di,athi2~ve,.- This approvalshouldnot be extendedto otherrotorcraftof this modelon whichotherpreviouslyapprovedmodificationsareincorporatedunlessit is determinedby theinstallerthat the interrelationshipbetweenthis changeandany otherpreviouslyapprovedmodificationswillproduceno adverseeffectupon theairworthinessofthatrotorcraft.If theholderagreesto permit anotherpersonto use this certificateto alterthe product, the holdershallgivethe otherpersonwrittenevidenceof thatpermission.

FAA ApprovedRotorcraftFlight ManualSupplementforModel369E,datedAugust 18,1992,orRotorcraft Flight ManualSupplementforModelSOON,datedNovember30, 1992,is a requiredpart ofthisSTC.

e,Øy,e et,?d/4 o yeo'th9 (h'e de e e',afi,w(I'eOOi?6dOPIP fdfV (du (4 o7ww'(,J,P (%(ItP a .(□l4'(f4~efl..

zhu e z 4c(.4o,b.- August 7, 1991 .zfe e/az. August18, 1992 e4n June20,2003 emezd. November30, 1992 eV°e - (Signature) MelvinD. Taylor Manager AtlantaAircraftCertificationOffice.

(Title) Any alterationof thiscertificateis punishable by a fine of not exceeding$1,000,or imprisonmentnot exceeding3 years,or both.

FAA Foes811O-21O -6e) PAGE 1 of 1 PAGE This certificatemay be transferredin accordancewithFAR 21.47.

## Every issue (1)

- June 20, 2003: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/46/19/4619626a77b8e03330fe942d920c5d4aa318b6708be6384f90a6f0e7af379482)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.