# STC SA2477SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Fletcher Aviation
- Description: Installation of Lycoming O-320 or O-290 engine.
- Status date: March 20, 1989
- Data sheets: A11EA, A11EA, A11EA, A11EA
- Certificate PDF: https://openairdocs.org/files/sha256/d6/80/d6809dbcfe14c2263e5289efd23a297edb611f722c4289e9c93f3874a83691e6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A0372566DE222C6085256CC200015EB3.0001
- Page: https://openairdocs.org/stc/SA2477SW

## ADs that name it

None.

## Approved models (4)

- True Flight Holdings LLC AA-1 (TCDS A11EA)
- True Flight Holdings LLC AA-1A (TCDS A11EA)
- True Flight Holdings LLC AA-1B (TCDS A11EA)
- True Flight Holdings LLC AA-1C (TCDS A11EA)

## 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.

£oro it BEpartmtnt of transportation — jptdcral aoiation administration Supplemental IDjjpt Certificate SA2477SW 190- Fletcher Aviation 8904 Randolph Houston, Texas 77061 23 y^-. Federal Aviation A11EA Grumman AA-1, AA-1A, AA-1B, AA-1C Installation of Lycoming 0-320 or 0-290 Engine in accordance with Drawing 77-900, Sheets 1 through 24, Revision H dated February 9, 1979, and E.O. 77-900-02 dated November 4, 1983, or later FAA approved revision. Sheet i of Drawing 77-900 shows the latest revision of each sheet of the drawing.

See Continuation Sheet, pages 2 and 3, a part of this STC.

J£0r*nfnjx£jr^da&&#£fort^ S%amvn*t March 17, 1977 <&^.«k*««S March 20, 1989 July 13, 1977 SLb*™*^: January 31, 1984 Rev. 8 " -* °- ^**y•j&fte&eti'Jif&e Siart A7L. B.

Manager, Rotorcraft Directorate, —Aircraft Cort-jjioation -S-

TAis ttrtificatt may br Irani/mill in aicmdanct with FAR 21.17.

fM Fw II lft-1 (10--*l|

United JBtata of 9atxfca Bepartnunt of ICransportation— Jftderal Station administration Supplemental 'Cgpe Certificate(Continuation &heet) SA2477SW Reviaion 8 Limltatlona and Conditions:

1. Engine Limits 0-320-B2A, -E2B, -E2C, -E2D. -E2F, -E2G, -E2H;

0-320-A2A, -A2B. -A2C, -A2D:

a. 144 H.P. Takeoff 2510 RPM 108 H.P METO 2280 RPH Static RPH 2190-2290

b. Tachometer Harking Required Rad line 2510 BFM Yellow arc 2510 - 2280 RFM Grean arc 2260 - 1700 RFM

2. Engine Limit* 0-320-D2A, -D2C. -D2F, -D2G; 0-320-B2A, -B2B. -B2C. -DU, -D2B. -D3c For Hodels AA-1, AA-lA, AA-1B:

a. 144 H.P. Takaoff 2340 RPM 108 H.P. HETO 2125 RPM Static RPM 2100 -22200

b. Tachometer Harking Required Red line 2340 RPH Yellow arc 2125 - 2340 RPH Green arc 1700 - 2125 RPH For Model AA-1C;

e. 153 U.P. Takeoff Z575 RPM 115 H.P. METO 2340 RPM Static RPH 2175 - 2275

b. Tachometer Marking Required.

Red line 2575 RPM Yellow arc 2340 - 2575 RPH Grean arc 1700 - 2340 RPH ny alteration of this ctrttficali it putiiihablt by a Jim of not txcttding tl.QOO, or imfiriionmtnt not txcttding 3 yeatt, 01'_botli.

FA* FORM (iio-i-i lio-ti) Thii titti/Ktu my ti i-amjmid in afcudauct with FAR 21.17.

**PAGE2 OF3 PAGES**

Vniod j&aoi of aacrica Btparnntnt of ICtansportation-ftdtral Station administration Certificate(Continuation £hect) SA2477SW Revision 8

3. Engln« Unite 0-290-D2

a. 140 H.P. Takeoff 2800 RPM 108 H.P.HE10 2570 RPM • Static RPM 2350 - 2450

b. Tachometer Marking Required Red Una 2800 RPM Yellow arc 2570 - 2800 RPM Green arc 1500 - 2570

4. V.. 185 MPHna

5. For AA-1, AA-1A, AA-lB Alrapaad Indicator muet have Red line at 185 MPH.

Yellow arc above 185 MPH muet be removed along with original ASI Red line

6. For AA-lC Alrapeed indicator muat also have the following markings i Rad line at 185 MPH Green arc from 69 to 185 MPH White arc fron 64 to 115 KPH

7. Child'* Seat modification eligible with this STC only If shown

•a tie factory for weight and balance limitation!.

8. For 0-320 Series engines Sanaanlch 7 4 DM6, 74DM7. or McCauley 1A170CM propeller* are eligible.

9. For 0-290 Series engines Sensenlch M74DM propeller is eligible.

10. Compatibility of thia modification with other previously approved modifications must be determined by the Installer.

Any alieiatitin of this ctrttfaatt is puniihablt iy a.fiat oj not txcteding SltOQOt or imprisonment not exceeding 3 fears, 01 both.

FAA FOBM •110-2-1 (io-t»( - This tnltfaatt auy t>< traaijettid in accaidaaci itilk l-'.-lK .'1.17.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number_ to (Name of transferee,) (Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor)(Print or type) (Address of grrantor) (Wuraber & street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Date of Transfer;

Signature of grantor (In ink)

## Every issue (1)

- March 20, 1989: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d6/80/d6809dbcfe14c2263e5289efd23a297edb611f722c4289e9c93f3874a83691e6)

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