# STC SA2-185

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of rudder spring tab.
- Status date: August 31, 2000
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-723](https://openairdocs.org/tcds/A-723)
- Certificate PDF: https://openairdocs.org/files/sha256/3a/5a/3a5a8290ad32045015538b6f19f9334f9dd739259926fde959076bab954691ba
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1C43B5381036A39085256CC10083D450.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-185

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Aircraft Corporation Lockheed 18 ([TCDS A-723](https://openairdocs.org/tcds/A-723))

## 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.

FORM' ACA-2417 U^Sj J?E£ARTMENT OF COMMERCE

1. NAME AND ADDRESS OF APPLICANT SfMifHbMi Aljrwuft OaHpafly AVMlwMH SOPTilW UrtBlOft ttmUipal Airport ^Pti 1 HMk ^ QK JpBURiOJMBt \ Form Approved, Bmdftt Bar»mv Ho. 41 -SI 923 INSTRUCTIONS - Submit in triplicate to local CAA Aviation Safety Agent. Copy will be returned to applicant upon Issuance.

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

% 1 AIRCRAFT t 1 ENGINE 1 1 PROPELLER

OR ISINAL MODEL DESIGNATION NEW MODEL DESIGNATION (If demired) VMM ?. DESCRIPTION OF CHANGE £Mtallatlca «4F Spartaa Aircraft C<n»F*ay» Jwt»%f <ta 8<wvie« KtTl«la«f Sl*«trt« Trim Tab ea par Brewing; Mat K«* £<t?l, Ch*ag« D, 4ftt«6 i-U-ST.

V0f£ 1 « Placard mNlf it •oiupiouou* to both pilot *nd eo*piloti *fo 4»«etlm«* «l««rtrio trim t«b «y*ta» tarn entit** and oirevit %rMJ0Mr to w»ff* petition*" SCTE £ * this iafttrftiifttl&a «ligiel* OB aircraft eortifioatod «nd«r S&«407* *«. WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS? B YES Q NO iWILL PARTS BE MANUFACTURED FOR SALE (Kef. CAR 1.55)1 3D YES d NO

o. SIGNATURE AND TITLE OF APPLICANT SIGNATUR$>% tl« TOJtJOy I/"'

**UATE'OF APPLICATION TITLE**

**6. TO BE COMPLETED BY CAA**

**NATURE AND LOCATION OF DATA**

•yartan Airoraft Company, Avtatioft 8«rri«e wtth Changa "f", dsboci 8-14-B7, Structural April, 8R W« Frod ftawart AOA-1000'a «&«* 0ft«i* Oparatian of Bl»a*ri«fel trtn Tmb Sj's1 ORIGINAL TYPE CERTIFICATE NO. CAA APPRO 728 SUPPLEMENTAL TYPE CERTIFICATE NO. 5 7?

Dlvisiaoi, data oa 3rawl«g Mat &»* 8471 Sttbsterrtiiatieai R*port SP-3470, datotl ia d Aprli 15, 1987 and >%"/ IS, 19£?, t-wn, fn file »t ?"H-*Z3&t VAL * ^ ^ & I. SUu«ht«r, flNTII

SI GNATURE *E (DF APPROVAL «|WW l|f *JrJM «._j .

(RCTia«>) MV 89* llll Chl«Jf , Aircraft En«in««ria« DiTi»i«ii i TITLE FORM ACA-2417 (7-56)

## Every issue (1)

- May 20, 1958: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/3a/5a/3a5a8290ad32045015538b6f19f9334f9dd739259926fde959076bab954691ba)

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