# STC SA819GL

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Northwest Airlines Inc.
- Description: Installation of Tracor 7800 Omego/ VLF navigation system. (727-2S7)
- Status date: January 13, 1992
- Data sheets: A3WE
- Certificate PDF: https://openairdocs.org/files/sha256/e4/a2/e4a27c5cf10777f59e91c64511e4bccd1373fff8bc694b0b487ddf733a00b64f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131731256520260722203932.0001
- Page: https://openairdocs.org/stc/SA819GL

## ADs that name it

None.

## Approved models (1)

- The Boeing Company 727-200 Series (TCDS A3WE)

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (2)

- January 13, 1992: Amended, Current. [certificate](https://openairdocs.org/files/sha256/e4/a2/e4a27c5cf10777f59e91c64511e4bccd1373fff8bc694b0b487ddf733a00b64f)
- September 7, 1984: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/be/07/be07ba02484448f89097dcb448e35e07e2c5e21a725af59e76c6c36f2890f166)

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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.