# STC SA2731SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Lyon Flying Service Inc
- Description: Installation of PZL-3S engine and WSK US-132000/A propeller
- Status date: October 11, 1983
- Data sheets: 1A16, 1A16, 1A16
- Certificate PDF: https://openairdocs.org/files/sha256/f1/18/f118f1af23e22b3650a86f095772345b747214bd8a8416875c67af845b96d906
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A8267ECAC2F8C03186257DA30054C6FC.0001
- Page: https://openairdocs.org/stc/SA2731SW

## ADs that name it

- [AD 81-13-05](https://openairdocs.org/ad/81-13-05): Leading Edge · Dowty Propellers CR 289/3-110-F/1 and CR 289/3-110-F/11. Effective Jul 28, 1981. Named in the applicability
- [AD 81-05-04](https://openairdocs.org/ad/81-05-04): Blade Tip Placard · Dowty Propellers CR 289/3-110-F/1 and CR 289/3-110-F/11 with STC SA2731SW or SA3897WE. Effective Apr 2, 1981. Named in the applicability
- [AD 81-07-09](https://openairdocs.org/ad/81-07-09): Shaft · Dowty Propellers CR 289/3-110-F/1 and CR 289/3-110-F/11 with STC SA2731SW or SA3897WE. Effective Apr 2, 1981. Named in the applicability

## Approved models (3)

- Allied Ag Cat Productions Inc. G-164A (TCDS 1A16)
- Allied Ag Cat Productions Inc. G-164B (TCDS 1A16)
- Allied Ag Cat Productions Inc. G-164C (TCDS 1A16)

## 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.

United £tattB of S&ntrita BepartniEnt of Transportation— jNeral Stoiation administration Supplemental 'Cpe CertificateProject A6394SW-S PL-190 n Flying Service, inc.

P. 0. box. 726 Welsh, Louisiana 75091 Civil Air {j*tat0utt . Jwdufd — — , 1A16 Schweizer (GCumman) G-164A, G-164B, G-164C rtate' :

Installation of PZL-3S engine and WSK US-132000/A propeller according to the following:

1. For G-164A afad G-16AB: Drawing List dated 6/29/78 (revised 8/1/78 or 5/14/82) J Installation Manual dated August 1980 (rev .May 1982); or later FAA approved revision.

*•• For G-164C; Installation Instructions dated 5/12/80, and G-164C Engine Mount Modification Drawing dated 5/12/80: or. Drawing List dated 5/14/82, or Rev. Adated 9/20/53 and Installation Manual dated August 1980 (rev/May 1982); or later FAA approved revision.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

-us November 18, 1977 March 17, 1978 ' /- 8/1/78, 5/23/8Q, 7/9/82;

10/11/B3 Revision 4 / Don P. Watson Manager, Aircraft Certification Division Southwest Region < iiilr I Any alteration oj this ceTtificate JJ punishable by a fine of not exceeding SI ,000, or imprisonment not exceeding 3 years, or both.

Tha uitificate may bt transferred in accoidance itiilh FAR 21 .47.

-j(io-4e)

## Every issue (1)

- October 11, 1983: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f1/18/f118f1af23e22b3650a86f095772345b747214bd8a8416875c67af845b96d906)

---
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.