# STC SA73RM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Ron's Air Service Inc
- Description: Installation of Harzell HC-B3 (Z, P,R or W) 30-1 hubs with corres- ponding Hartzell 10160-6, 10152-51/2 or 10152-7 1/2 prop. blades.
- Status date: May 7, 1976
- Data sheets: A10WE, A10WE
- Certificate PDF: https://openairdocs.org/files/sha256/0c/10/0c1095411834c7f2976740db6bbe39ed64cb28086ba01da3e2c16e1daa5ec04f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/82FEB3C832CABC9D85256CC20056A2FE.0001
- Page: https://openairdocs.org/stc/SA73RM

## ADs that name it

None.

## Approved models (2)

- Weatherly Aviation Company Inc. 201B (TCDS A10WE)
- Weatherly Aviation Company Inc. 201C (TCDS A10WE)

## 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.

lInittd ,Statts of :lmtnrJ ,4-1C~It! /11- S Bcpartmcnror1:fanspoftation-fulcfai S1tJiationSldminiBtfation ~upplcmcntol1lCgpc[crtificotc Sl\73RH , -./h(:;'0""/0co;;>f"'.)uoI4~ Ron I s Air Service, Inc.

Box12 TwoButteD,Colorado81084 :~y",I",I,;"II.J: '!:Effcctive February 1, 1965.

;;','7')101.,/)(~,1u-l-. ~;;'r 0:'I'/(;~fI/'-. JUln/.-'", AlOHE . I/,J,. Heather ly ,J/'d'J 201Ii and 201C Installation of llartzell IIC-B3 (Z. 1', R or II) 30-1 hubs "ith cOl'respondine Jl"rt;';cll 10160-6, 10152-5\ or 10152-7?:i propeller blades in accordance "ah Ron's 1.:'1' Service, Inc. InGtaUation InstructionG No. 77203.

-'/';II(~'/i;';n.)fln(/I;~.n(~/t;"N.j: The approval of this change in type design applies bnsicnlly to Heatherly 201B and 201C only. This approval cl'0111d not oe extended to otheraircraft Ot these models on "Iach other previously approved ,".odifications are incorporated unless it is determined by the installer that the interrelationship bet"een this change and any of those other previously approved modificaticns will introduce no adverse effect upon the airworthiness of that aJrcraft.

Supplemental Type Certificate l\ddendum No. SA73RH is a part of this Certificate.

A copy of this Certificate, STC Addendum 1:0. SA73RH, and ftOll' s Air Service, Inc.

Installation Instructions Ho. 77203 shall be maintained as l',"rt of the perll1llnent r,ecordp .for this mO<JJ.£ied aircraft.. ' .. //u,)-.o ,.70';.."'1....({11",71I:"4"/0",,,/,,::;...I,,,/,, u:;;(~X. (:) I;:,., ~(.)(:).;:~,.-"V0"""""/.J/{,.,//,., 1" ..",'/1- /n .#,.-1unh/Jul"- Chief I En!)ineerin!) i:, llanufacturing Br.

(llll, ..).. _ A TIl' nlteratioTl of this (('ftU/wle is Imnishnhle hI a {lIll' of 1I0t {'.\"Cudin,!!, SI,OOO. Of imprisOTUlIfI!l flO/ exceeding 3 )'I'an, or both.

"/hiJ "rlt/lral" n/(y' h•• "'1'0/;-"1'1//1/ Il(wrdmlo' ;1'lllt "'.1 f? 2/ ..;7.

f .•..•. fo ••• 8110- 2 (10-08) --------.=====~--------_._--------------

tlnlttd,stoteser:Jmenco BcpJrtmcntof~rJnsportJtion-fcl!crJIg\JiJtiongdminiBtrjtion ~upplcmcntal1tgpc[crtificatc([ontinuGtion~hcet) _JV;um6fMlSA73RM Date: May 7, 1976 SUPPWlENTAL TYPE CERTIFICATE ADDENDUMno. SA73I11'1 The conditions and limi tationa of Type Certificate Data Sheet No. AlOWEapply except aa follows:

This Addendum, which ia part of Supplemental Type Certificate Ho. SA73RM, prcsoribes oondi tiona and limi tationa under which the product for which the STC was i13sued meets the airworthiness requirements of the Fed. Avia. Regulations. A copy of this Addendum shall be maintained as part of the modified aircraft permanent records.

Supplemental Type Certificate Holder: Ron's Air Servioe, Inc.

I - Model 201B and 201C (Restricted Category) as modified by GTC SA73RM.

Engine: Pratt & Whitney R985-Ml1, A-3. or AN-J.4B Propellers: Hartzell HC-B3 (Z, P, R or if) 30-1 hub with corresponding Hartzell 10160-6, 10152-5~ or 10152-7i blades.

Propeller Limit13:

Hub Blade 11=. Dia. J.lin. Din.

Hodel Model Inches Inches Pladard HC-B3Z30-1 10152-5fi 9~ 95~ Uone " 10152-7f; 93i'! 93f; Yes ~see Note ~~" 10160-6 95 95 Yes See NoteHC-B3P30-1 PI0152-5! 99,l; 95-t None " PI0160-6 95 95 Yea (See Uone 2)HC-B3R30-1 m0152-5~ 95:! 95~ None, " m0160-6 95 95 Yes (See Note 2)HC-B3W30-1 iI'10152-5t 99.; 95t None " HI0152-71 93fr 9}~ Yes ~see Note 2~ " Wl0l60-6 95 95 Yes See Note 2 lfOT~ 1: T!lc following pitch setting13 at the 42" Station is required for the above li~tod propellers:

170 Low 26.50 High --------------------------_._._--------.hl)' alteration oj this certificalt is puniJhah!t. h)' ajiTle of rIOt exceeding $1,000, or im/m's01UlU'!;! .'lOt excredirzl!,3 leafS, 07 both.

FAA FORM 8110.2.' (10-69) Th(s culifl(;ate may be IrtlT'<;/trTtd in accQ,dar;C(with FAR 2/.47.

PAGE3 oF4 PAGES (; fAA Ar:7:l-26.'i1

May 7. 1976 SA73RI-!

Date:

'anittd .5tatts t r'1mnim Bcpmmcntof'[:rJllsportJtioll-.f~dcrJISllJiJtiollSldministr;Jtioll ~upplcmcntal~~pc[crtificatc(I.tontinuotioncShcct) _JV,;wn6w ..• SUPPLErIDTTALTYPE CER'l'IFICATE ADDF.NDID1NO. SA73RH ( Continued) NOTE 2: The following placard muet be inetalled on the instrument panel in full vie\~ of the pilot wen Hartzell 10160-6 or '10152-7~ propeller blades are inetalled:

1800 RPl1" -END- All)' ailerfltioTl (Ifthis artifieate is IJUnishahleb)'afine ofnot excerding$1,000, or imprisonmfllf lIot exceeding3 )'ears, or b(lth.

FAA FORM 8110-2.-1 (10.69) PAGE h OF h PAGES (; FAA AC 7:1-2651

## Every issue (1)

- May 7, 1976: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0c/10/0c1095411834c7f2976740db6bbe39ed64cb28086ba01da3e2c16e1daa5ec04f)

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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.