# STC SA2785SO

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: Page AvJet Corp, United States
- Description: Installation of a Dual Litton LTN-72 inertial navigation system.
- Status date: July 9, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- Certificate PDF: https://openairdocs.org/files/sha256/8e/9a/8e9af5f5b112d027623e802ededdb41c054802fec6fd0db6cc0df49465ba346a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/317780B06179FFB7862574B900523EAA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2785SO

## ADs that name it (0)

None.

## Approved models (6)

- McDonnell Douglas Corporation DC-8-61 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- McDonnell Douglas Corporation DC-8-61F ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- McDonnell Douglas Corporation DC-8-62 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- McDonnell Douglas Corporation DC-8-62F ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- McDonnell Douglas Corporation DC-8-63 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))
- McDonnell Douglas Corporation DC-8-63F ([TCDS 4A25](https://openairdocs.org/tcds/4A25))

## What the certificate says

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

## Every issue (1)

- July 9, 2008: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/8e/9a/8e9af5f5b112d027623e802ededdb41c054802fec6fd0db6cc0df49465ba346a)

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