# STC SA611EA

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Pan American World Airways Inc, United States
- Description: Installation of dual A.C. electronics navigation systems on R/N N435PA, S/N 5034. (707-321B)
- Status date: May 21, 1968
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A26](https://openairdocs.org/tcds/4A26)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4CD1ADB733B0C39485256CC200569EA6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA611EA

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 707 ([TCDS 4A26](https://openairdocs.org/tcds/4A26))

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