# STC SA1848NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: GE Engine Services-Corporate Aviation Inc.
DBA Garrett Aviation Services, United States
- Description: Installation of Collins EFIS-85( ) electronic flight instrument and switching systems.
- Applied: December 14, 1982
- Status date: July 30, 2003
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- Certificate PDF: https://openairdocs.org/files/sha256/90/ca/90ca7126757437ae16fd48e99d9eb211b2574898daaf6a7cfdb80c0f24347f0d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9E82B49E700E8DC486257126005194D9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1848NM

## ADs that name it (0)

None.

## Approved models (3)

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

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Aniled States WE Ameriza Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA1848NM This certificate issued to: GE ENGINE SERVICES - CORPORATE AVIATION, INC.

DBA GARRETT AVIATION SERVICES 6201 WEST IMPERIAL HIGHWAY LOS ANGELES, CA 90045 Part. 40125 of the Pegulations. (See continuation sheet for certification basis) Original Product Type Certificate Number: A12EA Make: Gulfstream Aerospace Corp.

Model: G-1159, G-1159A and G-1159B Description of Type Design Change: Installation of Collins EFIS-85 () Electronic Flight Instrument and Switching Systems in accordance with FAA sealed Western Commander, Inc. Top Drawing No.

07000020, Revision "B" dated March 16, 1983, or later FAA sealed revision. Applicable FAA approved Western Commander Airplane Flight Manual Supplements are listed on the appropriate Western Commander Top Drawing:

Limitations and Conditions: A "third" attitude indicator which satisfies FAR 121.305(j) is a prerequisite for this modification. The approval of this change in type design applies basically to the listed model airplanes only. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of Application: December 14, 1982 Date Reissued: December 20, 1994, July 30, 2003 Dule of isseunce: March 18, 1983 Dule umended: September 17, 1986 FEDERAL AVIATION By Direction of the Administrator (Signuture) Manager, Technical & Administrative Support TOMINSTRATO Staft, Los Angeles Aircraft Certification Office (Title)

States 0PE Zumrica Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1848NM Date of Issuance: March 18, 1983 Date Amended: September 17, 1986 Date Reissued: December 20, 1994, July 30, 2003

CERTIFICATION BASIS This certification basis for this modification is as follows:

FAR 25. 1301 Amendment 25-41 FAR 25. 1303 Amendment 25-41 FAR 25. 1309 Amendment 25-41 FAR 25. 1321 Amendment 25-41 FAR 25. 1333 Amendment 25-41 FAR 25. 1335 Amendment 25-41 in addition to the basic requirements called out on T.C. Data Sheet No. A12EA.

-END-

## Every issue (1)

- July 30, 2003: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/90/ca/90ca7126757437ae16fd48e99d9eb211b2574898daaf6a7cfdb80c0f24347f0d)

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