# STC SA2119SW-AC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aviation Standards National Field Office, United States
- Description: Replace navigation system and navigation computer.
- Applied: September 6, 1989
- Status date: November 3, 1989
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/1f/bb/1fbb230ec4378913dadf6102a4caf884db5f24b056ff3efe1015fc10cae5f6a1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/112C325998FA6FB986257687005BA09D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2119SW-AC

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 727 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

## What the certificate says

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA21195W-AC This certificate issued to: Aviation Standards National Field Office 6500 S. MacArthur Blvd.

Oklahoma City, OK 73125 Pure 4b of the Civil A ir Regulations.

Original Product - Type bertificale Numben: ABWE Make: Boeing Co.

Model: 727-30 Replace existing Litton LTN-58 inertial navigation Arma/Ambac navigation computer unit with Gull Electronics navigation computer unit P/N 367-049-001.

This alteration is in accordance with Data List Boeing 727-30 dated 10/10/89 or later FAA approved revisions.

Limitations and Conditions: FAA approved Flight Manual Supplement No. SA2119SW-AC, Honeywell LASEREF Special Mission (SM) Inertial Reference System (IRS) and Gull Inc. RNAV system dated November 3, 1989 is required. Compatibility of this alteration with other previously approved alterations must be determined by the installer.

r of the Federal Aviation Administration .

Date of Application: 9/6/89 Jule wissued Date of Issuance: 11/3/89 Date Amended:

EDERA AVIATION By Direction of the Administrator OR Left PMINISTRATO Alterations Approval Staff, Engineering Coordinator (Title ) 47 FAA FORM 8110-2 (10-68)

## Every issue (1)

- November 3, 1989: Issued, Current. [certificate](https://openairdocs.org/files/sha256/1f/bb/1fbb230ec4378913dadf6102a4caf884db5f24b056ff3efe1015fc10cae5f6a1)

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