# STC SA4284SW

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: Page AvJet Corp, United States
- Description: Installation of comparator monitor(Sperry CM-600).
- 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/cb/54/cb543aa0a6369282a94bab0cd7a736c96764d07be61c3608e9d721c2e43bd39b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2C91FF7012F7C847862574CE00616547.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4284SW

## 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/cb/54/cb543aa0a6369282a94bab0cd7a736c96764d07be61c3608e9d721c2e43bd39b)

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