# STC SA1261SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Gulfstream Aerospace Corporation, United States
- Description: Installation of Howell round dial digital engine gages.
- Applied: July 31, 1981
- Status date: November 15, 1982
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- Certificate PDF: https://openairdocs.org/files/sha256/f8/55/f8552950610a95b6046545ab0845b4e61dc818cedce7c8218a4c8c6678b8bcbb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135264666720240119150701.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1261SO

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace Corporation G-1159A ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))

## 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.

Ðepertment of 1[rsnsportstion -f'edsrsl 9þistion gdminisnsüon Fupplsmsntd î[Ups €srtiflrnts ,/á*bsA1261so 7l"a..¿l;z.a .tu uzllz G u-:l f s t r e am Ae r o s p a c e C o r p o r a t i o n P.0. Box 2206 Savannah, Georgia 31402 ZA-../*--ozV..jâ/f.*--'.-*.to.l/--;-*rt/r.r"tt-.7r'r>"*r-,tø4Ø* 25 -/á- Fgderal Aviation %-L¿b,*.

A,rl.-lØ."1-*-7,,7-6.-aVz.z-Jf"^l,^A12EA .h/.. Gul fstream tfu./' G-11594 9nnicü Ftotu of 9¡nnics 'Installation of Howell Round Dial Digital Engine listed on Gulfstream American Drawing List 71 441608esGag dated ln June 11,1981, or later FAA approved revision.

ac ance t -1,-,*¿¿,'*..^¿6. *¿;"*, This approval should not be extended to other specifícairplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previousìy approved modifications wi'll introduce no adverse effect upon the aírworthiness of that airp'lane. Airplane Flight Manual Supp'lement 71 441608-04, dated August 14,1981, or later FAA approved revision,is a required part of this installation.

,%a,..^A;/z.l--^ZZl-2.r77-"l,.yrl-l*o"4/, ,2 á.e / ø¿,y'no/1/ roro/ ^Áo// ,vrrro"'r, ,i #""1 unL,/¿ur.- 't'czt&z</zzzVz'zo/zy'zznø4e/zx.a'lz'tzn;nzâ:on'/.ttrz'-d. r^:tt.¿l-/¿r/./,//l/-,Øru;r¿¿â'b*r/á4- ,%/."¿-úà¿"*,Ør-rz-z"a-,.

Ø-a/a*.a-*, July 31, 1981 Ø-¿..*,;.o"/, November lb, lggz Ø-b,4.t"*.' August 14, 1gB1 9-bou*n/./..

J R. James ( Act'ing Manager, Atl anta (Titlc) 4â4- STR + A Arry ailcration of this certijcatc is þunishable by a finc of not exceeding 8l ,000, or imprisonment not exceeding 3 2ears, or both FAA fon 8l l0-2 (¡O-óAl This ccrltjcate may bc lra4sþred in accord¿ncc uith FAR 21.47

## Every issue (1)

- November 15, 1982: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f8/55/f8552950610a95b6046545ab0845b4e61dc818cedce7c8218a4c8c6678b8bcbb)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.