# STC SA146SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Pan American World Airways, Inc
- Description: Modified structure of aircraft to provide for inertial navigation system.
- Status date: June 19, 1967
- Data sheets: 4A21, 4A26
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E9C393C341679D0085256CC10082117A.0001
- Page: https://openairdocs.org/stc/SA146SO

## ADs that name it

None.

## Approved models (2)

- The Boeing Company 707 Series (TCDS 4A21)
- The Boeing Company 707 Series (TCDS 4A26)

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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.