# STC SA1435SO

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: Page AvJet Corp, United States
- Description: Installation of dual Sperry ADZ800 air data computer with VN800 vertical navigation computer or VN801 vertical navigation computer.
- Status date: July 9, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- Certificate PDF: https://openairdocs.org/files/sha256/dd/3f/dd3ff0c861a40a87a8ee48890cd34125bef3344e31d4ca51f84ecdb43a3991ce
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/506B23EE776138BF862574B900696031.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1435SO

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace Corporation G-1159A ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))

## 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/dd/3f/dd3ff0c861a40a87a8ee48890cd34125bef3344e31d4ca51f84ecdb43a3991ce)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.